. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 271. F. laxa. Var. pubSruIa (Miclix.) Britton. Leaves and scapes pubescent. â Ga. and Fla. to Tex.; also n. in the flat country âo Ind., 111., and Mo. 3. F. Uxa Vahl. GaZms slender (0.5-7 dm. high) from an annxMl root, vieak, grooved and flattish; leaves linear, fiat, ciliate-denticulate, glaucous, sometimes hairy; spike- lets ovoid, acute (U.4-1 cm. long) ; stamen 1; achene conspicuously d-S-ribbed on each side, and with finer cross-lines. â Lo
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. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 271. F. laxa. Var. pubSruIa (Miclix.) Britton. Leaves and scapes pubescent. â Ga. and Fla. to Tex.; also n. in the flat country âo Ind., 111., and Mo. 3. F. Uxa Vahl. GaZms slender (0.5-7 dm. high) from an annxMl root, vieak, grooved and flattish; leaves linear, fiat, ciliate-denticulate, glaucous, sometimes hairy; spike- lets ovoid, acute (U.4-1 cm. long) ; stamen 1; achene conspicuously d-S-ribbed on each side, and with finer cross-lines. â Low ground, near the coast, Pa. to Fla and Tex.; n. in the flat country to 111. and Mo. July-Oct. (Trop. Am.) Fig. 271. â I- *- Spikelets glomerulate ; style glabrous. 4. F. Vdhlii (Lam.) Link. Dwarf tufted annual (0.3-2 dm. high); the culms, leaves and very elongated upright bracts fili- 272. F.Tahlii. form; glomerule 0.;3-l cm. in diameter; spikelets 8-8, sub- cylindric, greenish or pale brown, the narrow scales acuminate; achene minute, transversely reticulate. â Damp sands, etc., N. C. to Fla., Tex., and Mo.; introd. near Phila. July-Oct. Fig. 272. * * Style S-oleft; achene triangular. 5. F. autumnilis (L.) R. & S. Annual (1-4 dm. high), in tufts; culms flat, slender, diffuse or erect; leaves flat, acute ; umbel compound or decompound, the very numerous slender-cylindric to fusiform brown spike- lets 4-10 mm. long; the mucronate-acuminate ovate- lanceolate scales appressed; stamens 1-3; achenes very minute, 0.5 mm. long, smooth or minutely roughened. âLow grounds, Pa., 111., and Mo., southw. July- Sept. (Trop. Am.) Fig. 273. 6. F. Frdnkii Steud. Similar, 0.1-2 dm. high; the umbel simple or slightly compound (or the spikelets solitary in dwarf plants); spikelets ellip- soid or narrowly ovoid, castaneous, the slender tips of the scales slightly spreading; achenes 0.76 mm. long. (i**. autumnalis Man. ed. 6, in part.) â Sandy shores. Me. to 274. F. FrankU. Ont., and so