BOTANY

Numerous programs covering the world of
botany from the microscopic algae to the
tallest redwood and oldest bristlecone.End-
less fascinating information for the scientist
& amature. GREATLY REDUCED PRICES!

WILDFLOWERS, SEEDS & DISPERSAL
Extensive, impressive photos of North American wildflowers, with habitat informa- tion. Many images of seeds.10 slide sets, 200 images, texts.SUPER 60% DISCOUNT!
EP #210X SLIDES
$149.95

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SAVE OVER $222.00 ON 10 SLIDE SET BUNDLE ORDER EP #210X.........$149.95
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SEED DISPERSAL Slides order #210 ..................$42.50

Surveys the various ways in which plants disseminate their seeds and insure
reproduction. Includes airborne seeds, parachute seeds, propeller seeds, waterborne
seeds, exploding seeds, seeds that are consumed and seeds that hitchhike. 2O slides
and guide.

CONTENT SAMPLE: The ultimate evolutionary goal of all living things is survival for
reproduction. Bearing viable offspring insures the continued existence of a species. Seed
producing plants, called Spermatophyta, emerged some 400 million years ago. Nonflowering
plants are even older. During the course of evolution, plants have evolved a variety of mechanisms
to insure the dispersal of their offspring over wide regions, for such scattering insures that even if
one colony of plants is destroyed, the species will survive in other locations.

The mechanisms by which this dispersal is accomplished are ingenious and varied.
Some seeds and spores are so light that they just drift in wind currents. Many seeds float
suspended from umbrellas of tiny hairs. Others, equipped with wings or propellers, fly from the
parent plant. There are plants that shoot their seeds and others whose seeds hitch-hike on
passing animals and people. Some are water borne. Still others are carried in the intestines of
animals and deposited at great distances.

This slide set illustrates a number of these dispersal mechanisms and provides some
commonly encountered examples of each.

REVIEWS: "The quality of each slide is outstanding ...definitely recommended for
academic high school and college level biology classes." Previews.
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WILDFLOWERS OF THE TALL GRASS PRAIRIE Slides order #217.........$42.50

Surveys the impressive array of wildflowers associated with the tall grass prairies
of the U.S. Although famous for their grasses, the prairies also have a lavish floral display.
Pictures include Carolina rose, pasque flower, spiderwort, Culver's root, purple prairie
clover, white fringed prairie orchid, butterfly weed, gentians, asters, purple coneflower,
rough blazing star and sneezewood. 2O slides and guide.

REVIEWS: "As interest increases in the U.S. tall grass prairies, these slides will be
increasingly useful in teaching about the lavish floral species found on the prairies. The text offers
a great deal of material..." Previews.
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WESTERN WILDFLOWER COLLECTION Slides order #208X ..............$72.50

The impressive flower displays of the Rocky Mountain states and the highly
variable habitat in which they live. Pictured are lupine, shooting star, locoweed,
pussytoes, salsify, fairy primrose, phacelia, evening primrose, Indian paintbrush, wild
buckwheat, avens, sugarbowl, morning glory, sacred datura, scarlet gilia, columbine,
kinnikinnik, death camus, rabbit brush, phlox, elk thistle, Oregon grape, horsemine,
clematis, chiming bells, false mallow, coneflower, umbrella flower, cliff rose, blue flax,
hounds-tongue, sego lily, yellow paintbrush, miner's candle, red bugler, stonecrop, moss
campion, forget-me-not. (2 slide sets) 4O slides and 2 guides.

CONTENT SAMPLE: 321 A plant that spans a wide range of habitats and
elevations is this lupine or bluebonnet, seen here in a Wyoming mountain meadow. Lupine grows
in the desert areas of Arizona, California and Texas. In Texas the spring blooming of these flowers
is so profuse it attracts thousands of viewers. Perhaps that is why it has been named the official
state flower.

The name lupine comes from the same Latin stem as lupus, meaning wolf, and the plant
was so named because it was once believed it robbed the soil of fertility. Now it is realized that
lupine, being a legume, helps to enrich the soil as all legumes do, by means of "nitrogen fixing"
bacteria in root nodules.

There are about 50 species of lupine in the Rocky Mountains. It grows from the low
flatlands up mountain slopes to near timberline. Mice feed on its roots, elk eat the flowers and
bears, both black and grizzly, eat the seeds as well.

REVIEWS: "I am very impressed with the quality of photos and text..." A.M., Calaveras
Big Trees State Park, CA.
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SPRING AND SUMMER WILDFLOWERS COLLECTION Slides order #201X ..............$72.50

Familiar and rare wild beauties; their characteristics, habits, habitats and some
folklore; bloodroot, trout lily, periwinkle, rue anemone, trilliums, bluets, Dutchman's
breeches, phlox, wild ginger, bleeding heart, columbine, lady slippers, skunk cabbage,
violets, gill-over-ground, daisy fleabane, Deptford pink, and chickweed, chicory, bellflower,
cinquefoil, St. Johnswort, honeysuckle, day-lily, dogbane, yellow stargrass, bindwood,
hop clover, monkey flower, loosestrife, forget-me-not, pearly everlasting, parsnip, Joe Pye
weed, Queen Anne's lace, false dragonhead, and sheep sorrel. (2 slide sets) 40 slides
and 2 guides.

CONTENT SAMPLE: 9768 The earliest to appear of our spring collection is skunk
cabbage, and it is one of the oddest looking too. Even before the snow melts, while the soil is still
icebound, the peaks of this plant can be seen popping up in swampy places. These are flowers?
Yes--inside these cups are the delicate flower parts. Huge green leaves appear after the flowers,
giving the plant a "cabbagy" look. When crushed or broken, the leaves give off an unpleasant
smell, like something dead or rotting. That is why it is called "skunk" cabbage. This odor attracts
particular kinds of flies, called carrion flies, because they feed on dead things. These flies help
pollinate skunk cabbage. As it is the only flower out so early—February—the flowers also attract
bees looking for a source of nectar. Later in the season, the little yellowthroat warbler may come
and build a nest in the plant’s hollow. Indians once dried and roasted the tuber root for food.
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WILDFLOWERS AND THEIR SEEDS COLLECTION Slides order #204X ..............$99.95

Matched sets of photographs showing wildflowers in bloom and again later in the
season when seeds have developed. Text provides interesting information about habits,
range, etc. Coverage includes buttercup, Jack-in-the-pulpit, butter and eggs, burdock,
milkweed, fireweed, bunchberry dogwood, Canada mayflower, wild iris, sunflower,
nightshade, jewelweed, beach pea, mullein, black-eyed Susan, thistle, garlic mustard,
dandelion, wild geranium, false Solomon's seal, Solomon's seal, red trillium, columbine,
partridgeberry, celandine poppy, hawkweed, blue-eyed grass, bladder campion,
goldenrod, wild mint. (3 slide sets) 6O slides and 3 guides.

CONTENT SAMPLE: 9781 These vivid gold five-petalled flowers are buttercups. Folk
tradition has it that if you hold a buttercup close to your chin and there is a yellow reflection on
your skin, it proves you like butter. Everyone gets a yellow tint from the brightness of the flower
and the majority of people like butter, but it’s just a tale or a game to play. Buttercups dot fields
and meadows all summer, growing two to three feet tall. This is an alien plant that has become
naturalized here. The foliage is bitter and hence cattle will not eat it. The juice in the plant leaves
and stem is caustic and can raise blisters on the skin.

4257 Buttercup seeds grow on the central head of the plant after the petals fall. These
look like seeds that could be wind-carried for short distances, or could stick to fur and clothing for
dispersal. Whatever their means, it works, for buttercups are widespread.
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WILDFLOWER SEEDS Slides order #207 ................$42.50

Flowers after they have gone to seed: white melilot, dock, mayapple, wild
asparagus, black snakeroot, spotted wintergreen, ground cherry, shepherd's purse, white
and red baneberry, clintonia, Jimson weed, wintergreen, wild lettuce, starry false
Solomon's seal, beggarweed, wild garlic, Indian cucumber root, lobelia, goat's beard. 2O
slides and guide.

CONTENT SAMPLE: 3089 Would you recognize this plant as a relative of a
commonly served table vegetable? Probably not, for there is little if any resemblance between
these fruits and leaves and the slender green spears of asparagus. This is wild asparagus in seed.
The stalks you eat come up in spring. A plant will continue to produce edible spears for 20 years
if it is well cared for. Asparagus is a native of Britain, Asia and Africa, and lives along the coasts
and in sandy regions. The fruits, each containing three triangular seeds, will spread the plant
when they either fall to the ground or are eaten by birds.
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~1875-011~ Beargrass (Xerophyllum tenax). photo by Jan L. Wassink.

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