A text-book of grasses with especial reference to the economic species of the United States . rathercompact sod; in drier regions the tufts are isolated. This is some-times called blue grama but to stockmen it is usually known merelyas grama. It is the most important economic species of the genus,ranging on the Great Plains from Manitoba to South America andwestward into New Mexico, Arizona and southern California. Bouteloua hirsuta Lag. Black grama. Resembles the precedingbut differs in the prolongation of the rachisas a naked point 5 to 8 mm. beyond thespikelets, and in the more hairy second
A text-book of grasses with especial reference to the economic species of the United States . rathercompact sod; in drier regions the tufts are isolated. This is some-times called blue grama but to stockmen it is usually known merelyas grama. It is the most important economic species of the genus,ranging on the Great Plains from Manitoba to South America andwestward into New Mexico, Arizona and southern California. Bouteloua hirsuta Lag. Black grama. Resembles the precedingbut differs in the prolongation of the rachisas a naked point 5 to 8 mm. beyond thespikelets, and in the more hairy secondglumes with prominent black papillae. Therange is about the same as that of the pre-ceding but does not extend so far north. Bouteloua curtipendula (Michx.) or Side-oat grama. Culms 2 to 3 feethigh, the spikes numerous, 30 to 50,arranged, by twisting of the peduncles,along one side of the upper part of theculm for 6 to 10 inches, about 3^ inchlong, the spikelets appressed, 5 to 8 ineach spike. Prairies and plains, fromOntario to Montana and south throughMexico to South 218 A TEXT-BOOK OF GRASSES There are many other species in the southwestern states andin Mexico, but the 3 described above are the best-known economicspecies. 245. Bulbilis Raf.—Buffalo-grass, The single species,B. dadyloides (Nutt.) Raf. (Buchloe dadyloides (Nutt.)Engelm.) (Figs. 48 and 49), a common and often thedominant grass on the Great Plains, is a low stoloniferousperennial that forms a firm sod. The staminate inflores-cence consists of 2 or 3 short 1-sided spikes on a culm afew inches high; the pistillate spikes are hidden amongthe leaves near the ground.
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Keywords: ., bookauthorhi, bookcentury1900, bookdecade1910, booksubjectgrasses
