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By Robert H. Mohlenbrock, John W. Voigt

ISBN-10: 080930662X

ISBN-13: 9780809306626

This ebook should be of specific curiosity to these inter­ested in utilized fields of biology, reminiscent of conservation, forestry, and wild existence. The southern twelve counties of Illinois, a complete of 4,355 sq. miles, include the realm lined during this publication. it really is a space during which either northern and southern flowers specimens abound. a wide selection of plant species develop during this quarter, and approximately two hundred new vegetation now not previously pointed out with this region were incorporated within the listings. Especially helpful to beginner botanists, the e-book is a vital handbook in selecting the crops that make up the local surroundings of this zone. Seventy-seven illustrations reduction in opting for and figuring out the plant groups.

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Extra resources for A flora of southern Illinois

Example text

Flowers having an inferior ovary 27 27. Umbellate inflorescence 112. Umbelliferae 27.

Leaves verticillate 14 Page 26 14. Leaves pinnately dissected, capillary 108. Haloragidaceae 14. Leaves 2 to 3 times forked 59. Ceratophyllaceae 10. Plants floating on water or emersed (not submerged) 15 15. Leaves all opposite 16 16. Stems long, creeping on mud or floating in water, rooting at nodes; ovary inferior, 4-carpellate; flowers yellow 107. Onagraceae 16. Stems shorter, not creeping 17 17. Flowers without perianth; stamens 2 109. Callitrichaceae 17. Flowers irregular, white; stamens 4 Bacopa in 130.

Lobes not acutely angled, merely undulate or entire; ovary inferior Symphoricarpos in 138. Caprifoliaceae Section 6: Woody Plants Having Alternate Simple Leaves, None Of Which Are Lobed Or Deeply Divided 1. Leaves with entire margins 2 2. Twigs or leaves with an aromatic odor; flowers appearing before the leaves 62. Lauraceae 2. Twigs or leaves without an aromatic odor 3 3. Leaves oblanceolate, large (4 to 12 inches long) 4 Page 21 4. Naked buds with rusty, silky hairs; fruit a berry (banana-like); sepals 3, petals 6, stamens numerous 54.

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A flora of southern Illinois by Robert H. Mohlenbrock, John W. Voigt

by Charles

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