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!

PLANT MORPHOLOGY & TREE TAXONOMY
Introduces plant and flower parts, the tax- onomy of woody plants and trees, and the associated specialized vocabulary. 7 pgms. 140 slides, detailed texts. 47% DISCOUNT!
EP #218X SLIDES
$149.95

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SAVE OVER $135.00 ON 7 SLIDE SET BUNDLE ORDER EP #218X.........$149.95
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GROUP REVIEW:
"...superior slides sets [#218, 219, 220, 221] coupled with equally precise text,
nothing here is superfluous or wasted as the sets investigate plant and flower parts and
arrangements and introduce principles and terminology used in plant taxonomy. Fine
photography and editing characterize these productions for upper elementary through
general college botany studies." Booklist.
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FLORAL MORPHOLOGY--FLOWER TYPES, INFLORESCENCES AND FRUIT
Slides order #218 ........$42.50

Visual aids teaching structure and fruit classification. Teaches terminology and
fundamentals involved in taxonomy of flowering plants. Depicts the characteristics of
different flower types, arrangement of flowers on a plant, and some of the various types of
fruits. 20 slides and guide.
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FLORAL MORPHOLOGY--THE PERIANTH AND REPRODUCTIVE STRUCTURES
Slides order #219 ……..$42.50

Illustrations focus on the sepals, petals, stamens and pistils of flowers. Stamen
and pistil structures are highlighted along with the types of placentae and the insertions of
flower parts in relation to the ovary. The series also teaches some of the terminology and
principles involved in the taxonomy of flowering plants. 20 slides and guide.

CONTENT SAMPLE: 23428 Tubular Corolla / Ligulate Corolla. The image on top
shows a tubular corolla in beebalm (Monarda didyma). In this type of corolla the petals are united
to form a tight, slightly flared tube. The ligulate corolla shown on bottom is a sunflower (Helianthus
annuus). Composite flowers sometimes appear to be a single blossom, but actually they are
composed of numerous flowers in a dense head. The tubular flowers of the central head in
Compositae are also called disk flowers. The ligulate or strap-like flowers of the margin are called
ray flowers. Ray flowers are usually sterile.
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PLANT MORPHOLOGY--FOLIAGE LEAVES Slides order #220 ...….$42.50

Emphasizes the diversity of leaf morphology and structure among angiosperm
plants. Provides examples of different leaf types, arrangements, attachments, venations,
margins, outlines, bases and aspices. Terminology presented is highly useful in teaching
plant taxonomy. 20 slides and guide.
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PLANT MORPHOLOGY--BUDS, STEMS AND PETIOLES Slides order #221……$42.50

Emphasizes diversity of bud development and structures, shapes and other
morphology associated with stems and petioles. Terminology presented is highly useful
in teaching plant taxonomy. 20 slides and guide.
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PLANT MORPHOLOGY--MODIFIED LEAVES Slides order #234…. $42.50

The incredibly diverse adaptations of the leaf structure. Shows evolutionary
adaptation as well as developmental taxonomy. 20 slides and guide.

CONTENT SAMPLE: 24337 Cotyledons. Angiosperms are the highest plants and
are divided into two classes, monocotyledonous and dicotyledonous, according to whether they
begin life with one or two cotyledons--sometimes called seed leaves. Cotyledons are part of the
seed structure from which the embryo is nourished before it develops true leaves. In monocots
such as corn, the cotyledon often remains under the soil surface until it withers. Cotyledons of
dicots, such as purslane (Portulaca oleracea) appear above the surface as a pair of fleshy leaves.
These leaves wither and drop off as the plant uses up the nourishment they contain and develops
true leaves. Cotyledons seldom resemble the true leaves of the plant. They are usually thick
because of the food they store, but the cotyledons of many species are so similar that the plants
are difficult to identify until true leaves develop.
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TAXONOMY OF TREES AND WOODY PLANTS Slides order #222X ....... $72.50

Each color transparency shows two images. One gives a full view of the leaves,
and the other a close-up of one or more of the salient identifying characteristics of the
species. This is a series of common species from 40 different genera. 4O slides/guides.
(Sets #222 and #223)

REVIEWS: "...recommend..." Library Journal. "Good over-views, clear visuals...useful."
Booklist.

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RELATED PROGRAMS WORTH NOTING
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WINTER BOTANY Order #244..........$42.50

A look at the characteristics used to identify deciduous trees after they have
shed their leaves. Illustrations include close-up photographs of leaf scars, buds, pith and
other morphological features. Twenty different tree species illustrated, including maple,
beech, alder hickory, walnut, etc. 20 slides and detailed guide.

CONTENT SAMPLE: 27019 Another relatively easy tree to identify in winter is the
sycamore. Sycamores can almost always be recognized by their bark (left)--it peels away in
great sheets, leaving the upper trunk and limbs clad only in a thin layer of whitish bark.

The twigs (right) are distinct as well, with the alternate leaf scars almost completely
encircling the lateral buds. These scars are caused by a leaf petiole that covers the bud during
the growing season, a so-called “hooded bud.” Occasionally the dried remains of the stipules will
cling to the twigs through the winter (top right). Sycamores lack a terminal bud. A single cap-like
scale covers each lateral bud, with each node ringed by a stipule scar.

Sycamore fruits (bottom right) are borne in stalked, pendant balls that often hang in
great numbers from mature trees.
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~1875-042~ Poison oak (Rhus or Toxicodendron diversiloba). photo by Redwood
Edugraphics.

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