. Cyclopedia of farm crops. Farm produce; Agriculture. Fig. 520. Crab-grass (Suntherisma sanguinalis). A very common weedy grass. , 521. Water-grass (Paspa- Imii iliUttitlttiii). Fig. 522. Para-grass {Panii'uiit molle). with spikelets similar in structure to tho-se of Panicum but arranged in one-sided, more or less digitate spikes. Considered by many as a section (Digitaria) of Panicum. sanguinalis, Dulac. Crab-grass. (Fig. 520.) A well-known annual weed common in cultivated soil, especially in the South. A native of the Old World. The stems reach a height of three feet and are branching. They
. Cyclopedia of farm crops. Farm produce; Agriculture. Fig. 520. Crab-grass (Suntherisma sanguinalis). A very common weedy grass. , 521. Water-grass (Paspa- Imii iliUttitlttiii). Fig. 522. Para-grass {Panii'uiit molle). with spikelets similar in structure to tho-se of Panicum but arranged in one-sided, more or less digitate spikes. Considered by many as a section (Digitaria) of Panicum. sanguinalis, Dulac. Crab-grass. (Fig. 520.) A well-known annual weed common in cultivated soil, especially in the South. A native of the Old World. The stems reach a height of three feet and are branching. They are pros- trate at the base and root at the lower nodes. 6. Paspalum (Greek name for some , probably millet). A genus of grasses containing about one hun- dred species, in the warmer regions of both hemispheres. Spikelets one-flowered, plano-convex or flattened, elliptical or circular in out- line, sessile or short-pedi- celed, arranged singly or in pairs in a one-sided spike. Lower glume small or obso- lete, upper glume and sterile lemma similar in length and texture, membranaceous; fertile lemma indurated. Spikes single or in pairs at the apex of the long pedun- cle, or racemosely distrib- uted along the upper part. dilatatum, Poir. Water- grass. (Fig. 521.) A rather coarse, leafy perennial, growing in clumps two to five feet high ; spikes two to ten; spikelets hairy. Produces many succulent Fig. 523. Guinea-grass l^^sal leaves. A native of (Ponicum maximum). Brazil, from whence it was. introduced into this country ; now well established in the gulf states, where it is looked on as a native 7. Panicum (Latin name for P. Italicum). A large genus of annual or perennial grasses, con- taining probably 500 or 600 species, mostly trop- ical, represented in the United States by about 130 species, particularly abundant in the southeastern states; a few occur as far north as Canada. Spikelets one-flowered, usually awnless, in one- sided spikes or in more or less dift'us
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