. 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. 4. Syntherisma Ischaemum (Schreb.) Nash. Small Crab-grass. Fig. 281. Panicum lineare Krock. Fl. Sil. i : 95. 1787. Not L. Panicum Ischaemum Schreb.; Schweigger, Spec. Fl. Erlang. 16. 1804. Panicum glabrum Gaud. Agrost. 1: 22. 1811. Syntherisma linearis Nash, Bull. Torr. Club 22: 420. 1895. Syntherisma humifusum Rydb. Mem. N. Y. Bot. Gard. 1: 469. 1900. Syntheri
. 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. 4. Syntherisma Ischaemum (Schreb.) Nash. Small Crab-grass. Fig. 281. Panicum lineare Krock. Fl. Sil. i : 95. 1787. Not L. Panicum Ischaemum Schreb.; Schweigger, Spec. Fl. Erlang. 16. 1804. Panicum glabrum Gaud. Agrost. 1: 22. 1811. Syntherisma linearis Nash, Bull. Torr. Club 22: 420. 1895. Syntherisma humifusum Rydb. Mem. N. Y. Bot. Gard. 1: 469. 1900. Syntherisma Ischaemum Nash, N. Am. Fl. 17 : 151. 1912. Culms erect or decumbent, i°-2° long, smooth and glabrous; leaves glabrous, the blades 1/-3' long, i"-2" wide, acuminate; racemes 2-6, 2'-^' long, narrowly linear, digitate or approximate at the sum- mit of the culm; rachis flat, winged; spikelets about 1" long, in pair$, sometimes in 3's; first scale rarely present, second and third as long as the fourth. In cultivated grounds and waste places, Nova Scotia to South Dakota, south to Florida and Kansas. Nat- uralized from Europe. July-Sept. Smooth Finger-grass. 5. Syntherisma sanguinale (L.)Dulac. Large Crab-grass. Finger-grass. Fig. 282. Panicum sanguinale L. Sp. PI. 57. 1753. Digitaria sanguinalis Scop. Fl. Cam. Ed. 2,1 : 52. 1772. Syntherisma praecox Walt. Fl. Car. 76. 1788. Paspalum sanguinale Lam. Tabl. Encycl. 1: 176. 1791. Syntherisma sanguinale Nash, Bull. Torr. Club, 22: 420. 1895. Culms erect or decumbent, often rooting at the lower nodes, i°-3° long, smooth. Sheaths, at least the lower, papillose-hirsute; blades a'-6' long, 2"-$" wide, acuminate, more ,or less pubescent; racemes 3-10, narrowly linear, 2'-6' long, digitate or in ap- proximate whorls at the summit of the culm; rachis flat, winged; spikelets ii" long, in pairs, elliptic- lanceolate, acute, the first scale mmute, rarely want- ing, the second one-third to one-half as long as t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
