. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 66. Panicum Ravenelii Scribn. & Merr. Ravenel's Panic-grass. Fig. 376. P. scoparium Chapm. Fl. S. i860. Not Lam. I797- P. Ravenelii Scribn. & Merr. Bull. U. S. Dep. Agr. Agrost. 24: 36. 1900. Culms tufted, erect, i6'-2° tall, finally branched, papillose-hispid below with spreading or ascending hairs, the pubescence above softer; sheaths densely
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 66. Panicum Ravenelii Scribn. & Merr. Ravenel's Panic-grass. Fig. 376. P. scoparium Chapm. Fl. S. i860. Not Lam. I797- P. Ravenelii Scribn. & Merr. Bull. U. S. Dep. Agr. Agrost. 24: 36. 1900. Culms tufted, erect, i6'-2° tall, finally branched, papillose-hispid below with spreading or ascending hairs, the pubescence above softer; sheaths densely papillose-hirsute with ascending hairs; blades 3'-s' long, s"-io" wide, cordate at the clasping base, broadly lanceolate, erect or ascending, glabrous on the upper surface, densely and softly pubescent on the lower surface; panicle 3'-s' long, its branches ascending; spikelets about 2" long and nearly I as wide, obovoid, pubescent with rather weak hairs. In woods, Maryland to Missouri, Florida and Texas. May-July. 67. Panicum scoparium Lam. Velvety Panic-grass. Fig. 377. Panicum scoparium Lam. Encycl. 4: 744. 1797. P. pubescens ham. Encycl. 4: 748. 1797. P. viscidum Ell. Bot. S. C. & Ga. 1: 123. pi. 7. f. 3- 1817. Culms erect, 2°-4° tall, simple or at length much branched above, villous. Sheaths shorter than the internodes, villous; blades generally narrowed, some- times rounded or truncate at base, softly pubescent, those of the culm 4'-/ long, s"-8" wide, distant, those of the branches i'-2l' long, 2"-$" wide, crowded; primary panicle 3'-6' long, ovoid, branches ascending; secondary panicles much smaller, not exceeding the leaves; spikelets ovoid to oval, about ii" long, pu- bescent; first scale broadly ovate, about one-fourth as long as the spikelet; secpnd and third scales nearly orbiculas, 9-nerved, pubescent, the fourth oval, apicu- late, 1" long. Moist soil, Massachusetts to New Jersey, Pennsylvania, Florida, Oklahoma
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
