. 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. GRAMINEAE. Vol. 17. Paspalum difforme Le Conte. Le Conte's Paspalum. Fig. 304. Paspalum difforme Le Conte, Journ. de Phys. gi: 284. 1820. A perennial, usually glaucous, grass, with short flat leaf-blades, and large glabrous spikelets. Culms ii°~3° tall; leaf-sheaths glabrous, or the outer basal ones sometimes pubescent, the uppermost one usually blade- less
. 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. GRAMINEAE. Vol. 17. Paspalum difforme Le Conte. Le Conte's Paspalum. Fig. 304. Paspalum difforme Le Conte, Journ. de Phys. gi: 284. 1820. A perennial, usually glaucous, grass, with short flat leaf-blades, and large glabrous spikelets. Culms ii°~3° tall; leaf-sheaths glabrous, or the outer basal ones sometimes pubescent, the uppermost one usually blade- less ; blades erect or ascending, thickish, gla- brous, or the upper surface with long hairs, linear to linear-lanceolate, acuminate, com- monly less than 6' long and 5" wide; racemes usually 2, or sometimes I or 3, rarely 4, erect or ascending, less than 4' long, the rachis often flexuous and about i" wide; spikelets singly disposed, sometimes in pairs, i£"~2" long and i£"-ii" wide, oval, the outer 2 scales 3-nerved, the third scale brownish when mature. In sandy soil, New Jersey and Maryland to Florida and Texas. 18. Paspalum floridanum Michx. Florida Pas- palum. Fig. 305. Paspalum floridanum Michx. Fl. Bor. Am. I: 44. 1803. Paspalus macrospermus Fluegge, Gram. Monog. 172. 1810. Paspalum arundinaceum Poir. in Lam. Encycl. Suppl. 4: 310. 1816. Paspalum floridanum glabratum Engelm.; Vasey, Contr. U. S. Nat. Herb. 3: 20. 1892. A tall perennial, sometimes glaucous, with long gla- brous or hirsute leaves, and glabrous spikelets. Culms 3°~6i° tall; leaf-sheaths rather loosely embracing the culm; blades erect or nearly so, flat, rather firm, linear, i°-2i° long, 3"-8" wide; racemes 3-6, rarely fewer, erect or neary so, 3'-6' long, the rachis about I" wide; spikelets singly disposed or in pairs, il"-2j" long and ii"-il" wide, oval, the outer 2 scales 3-nerved. In dry or moist soil, Delaware to Kansas, sou
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