A text-book of grasses with especial reference to the economic species of the United States . lorida Trichol^na II. Inflorescence of uni- (Par. 219).lateral racemesalong a Glumes 2-lobed,awned from be-tween the lobes;blades broad andthin, lanceolate. Florida Oplismenus. JJ. Glumes awned from the tip .. Echinochloa(Par. 218). 214. Paspalum L.—A large genus ofprobably 200 species, well represented inthe Gulf and south Atlantic states. It canbe easily distinguished by the plano-convexspikelets in spike-like racemes. There arecomparatively few species of economicimportance. They are
A text-book of grasses with especial reference to the economic species of the United States . lorida Trichol^na II. Inflorescence of uni- (Par. 219).lateral racemesalong a Glumes 2-lobed,awned from be-tween the lobes;blades broad andthin, lanceolate. Florida Oplismenus. JJ. Glumes awned from the tip .. Echinochloa(Par. 218). 214. Paspalum L.—A large genus ofprobably 200 species, well represented inthe Gulf and south Atlantic states. It canbe easily distinguished by the plano-convexspikelets in spike-like racemes. There arecomparatively few species of economicimportance. They are almost entirelyabsent from the grazing regions of thecentral and western United States, and inthe southeastern states do not form animportant constituent of grazing areas,being mostly inhabitants of wet or sandysoil and not often gregarious. An attemptwas made, but with little success, to intro-duce into cultivation P. dilatatum Poir.(Fig. 19), under the name of water-grass. Inthe savannas of Central America certain species, such asP. notatum Fliigge and P. minus Vasey, are Fig. 19. Paspa-lum ,XH. spike let,X5. 180 A TEXT-BOOK OF GRASSES 215. Axonopus Beauv.—By many authorities thisgroup has been included in the genus Paspalum, but itforms a distinct natural group. Several species arefound in tropical America but only2 extend as far north as the UnitedStates. One of these, A. compressus(Swartz) Beauv., is the carpet-grassof the Gulf States, where it is animportant grazing-grass and also alawn-grass. It is a stolonifer-ous perennial with flattenedstems, comparatively short,broadly linear, abruptlypointed blades, and slenderspikes more or less digitate orclustered at the summit of thestem. {Anastrophus Schrad.) 216. Syntherisma Walt.—This distinct group is con-sidered by some to be a sec-tion of Panicum. Perennial orannual grasses with slendermostly digitate spike-likeracemes. The perennial speciesare natives of the southernUnited States a
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Keywords: ., bookauthorhi, bookcentury1900, bookdecade1910, booksubjectgrasses
