Handbook of Plant Morphology Being the Handbook of Plant Dissection
Handbook of Plant Morphology Being the Handbook of Plant Dissection
Otis W Otis William Caldwell
The book Handbook of Plant Morphology Being the Handbook of Plant Dissection was written by author Otis W Otis William Caldwell Here you can read free online of Handbook of Plant Morphology Being the Handbook of Plant Dissection book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Handbook of Plant Morphology Being the Handbook of Plant Dissection a good or bad book?
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GENERAL STRUCTURE. I. THE RHIZOME AND ROOTS. Observe: 1. The flattened dorsi ventral stem, the upper and lower por- tions being divided by prominent ridges. 2. The roots arising from the ventral surface and sides. 3. The roots, each (if uninjured ) with a small root-cap at its tip. PTERIS AQUILINA. 109 4. The nodes and internod. Es of the stem; the nodes are indi- cated by the growth of a leaf at each, alternately on the right and left sides: the intervals between the nodes are the internodes. ...5. Draw. II. THE LEAF. Observe: 1. The leaf -stalk, or petiole, arising from the rhizome and fre- quently miscalled the "stem"; its strength and general appearance. 2. The system of branching. 3. The leaf blades, or leaflets. 4. The arrangement of veins in the blades, -venation. 5. The sporangia, and the folded edge of the leaflet that protects them. When sporangia grow in clusters each cluster is called a sorus (pi. Sori). When there is an epi- dermal outgrowth above a sorus it is called an indusium.
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