Page 226 - Demo

Microscopes and Slides
Microscopes and Slides—Prepared Slides, continued
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PLANTAE, continued
Catalog No.
Description
Price/Each
ANGIOSPERMS (DICOT: ROOTS)
Roots and Stems— ComparisetTM
Compare the root and stem structures of a representa- tive monocot (Zea mays, corn) and a representative dicot (Ranunculus acris, the buttercup) . Root and stem cross sections of each plant comprise the four slides included . Students can closely examine and compare the arrangements of the vascular bundles (conductive tissues) in the two major groups of flower- ing plants .
Catalog No.
ML1419
Description
Roots and Stems— ComparisetTM
Price/Each
$26.40
ML1142 ML1148
ML1151
ML1153
Herbaceous and woody roots, c .s .
Sections through representative annual root and perennial root of several years’ growth .
Hydro-, meso-, and xerophytic leaves, c .s .
Composite slide to demonstrate leaf adaptation to environments characterized by varying degrees of moisture .
Sedum leaf, w .m .
Stonecrop, preparation of leaf epidermis with stomata .
Helianthus, l .s .
Wild sunflower, section to show florets, floral head .
$9.45 $11.85
5.60
$7.15
ANGIOSPERMS (DICOT: LEAVES)
ML1149
Larrea tridentata, c .s .
Creosote bush, section of representative xerophytic leaf .
6.45
ML1152
Syringa vulgaris, c .s .
Lilac, section of leaf and midrid .
6.75
ANGIOSPERMS (DICOT: FLOWERS AND DEVELOPMENT)
ML1155
Ranunculus, l .s .
Near-median section through flower bud .
9.70
ANGIOSPERMS (MONOCOT: STEMS)
ML1157
Elodea canadensis, c .s .
Section through hydrophytic stem .
$6.80
ML1158
Elodea, l .s .
Non-median section of stem tip to show leaf development .
8.75
ML1159
Zea mays, c .s .
Section through mature stem .
6.45
ANGIOSPERMS (MONOCOT: ROOTS)
ML1162
ML1164 ML1167
ML1174
Allium cepa, l .s .
Section through root-tip for mitosis, iron–alum hematoxylin and orange stain .
Zea mays, l .s .
General structure; showing root cap, meristem, and region of elongation .
Allium cepa, w .m .
Onion, bulb scale (leaf) epidermis to show simple cell structure .
Lilium, c .s .
Section through entire flower bud with anthers showing early sporogenous tissue .
$ 9.15
6.70 $4.90
$ 7.90
ML1163
Allium, l .s .
Section through root-tip for mitosis, quadruple stain .
12.00
Mitosis vs. Meiosis— ComparisetTM
This set of four slides is selected to introduce and compare and contrast processes which are integral to any study of biology—to say the least! Mitosis—cellular divi- sion that results in two identical daughter cells; and meiosis—reduction division, the products of which are haploid sex cells or gametes; are examined in both plant and animal tissues . Slides for mito- sis are sections of onion root-tip and whitefish blas- tula . Slides for meiosis are sections of lily anthers and ovaries of Ascaris .
Catalog No.
ML1396
Description
Mitosis vs. Meiosis— ComparisetTM
Price/Each
$50.55
ANGIOSPERMS (MONOCOT: LEAVES)
ML1168
Allium, w .m .
Leaf epidermis with stomata .
5.30
ML1170
Elodea canadensis, w .m .
Whole mount representative hydrophytic leaf . Compare to Aloe, above .
7.45
ML1171
Zea mays, c .s .
Section through leaf blade with motor cells .
6.50
ANGIOSPERMS (MONOCOT: FLOWERS AND DEVELOPMENT)
ML1175
Lilium, c .s .
Anthers with first meiotic divisions .
11.60
ML1180
Pollen, w .m . Mixed types .
4.90
MICROSCOPES AND SLIDES—PREPARED SLIDES continued on next page.