Colorado Flora by William A. Weber, Ronald C. Wittmann PDF

By William A. Weber, Ronald C. Wittmann

This consultant, meant either for the coed and scientist, deals a whole, authoritative connection with the vegetation of Colorado. It discusses plant geography, specific botanical beneficial properties of the mountain levels, basins and plains, and clarify uncomplicated terminology. attention-grabbing anecdotes and introductions are given for every plant relatives, and tricks on recognising the most important households are supplied to boot. each one quantity contains a whole thesaurus, indices to universal and particular names, and 1000s of illustrations. This and its better half quantity, were considered as the main whole publications to be had and are necessary to readers attracted to Colorado's plants.

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Y. FLERTCH, PEORIA, ILLINOIS, for instance, spread in block letters across the top) than giving specimen information. I have tried, by precept and example, to minimize the advertising on specimen labels. The identification of the Page xxxiii herbarium can be relegated to an unobtrusive line at the bottom. One important feature I would like to see on more labels is the family name, or, alternatively, its acronym. Labels can be printed in two columns on standard 8-1/2 x 11 inch acid-free 100 percent rag paper (other stocks are unstable over time).

This especially applies to grasses. Here, simple folding is not enough (it can still produce hay; Aven Nelson once commented, on receiving a mess of folded grasses, "probably was good hay, tool"); at each fold, slip a piece of light card stock that has been slit in the middle, over the fold to hold it in place. Such specimens won't get out of hand later on. Remember that a standard sheet of herbarium paper is 12 x 16 inches, and that a label will occupy about 3 x 5 inches at the lower right hand corner.

29] Leaves with 3 prominent, somewhat parallel, veins; low spreading shrub. Ceanothus, in Rhamnaceae, BUCKTHORN FAMILY 30b. Leaves without 3 prominent veins; erect shrub or climber. Lycium, in Solanaceae, NIGHTSHADE FAMILY 31a. [26] Leaves linear; young twigs woolly tomentose. Tetradymia, in Asteraceae, SUNFLOWER FAMILY 31b. Leaves broader; young twigs not tomentose (32) 32a. [31] Leaves entire, ovate, acuminate; fruit baseball-sized, green, wrinkled; alien small tree. Maclura, in Moraceae, MULBERRY FAMILY 32b.

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