. 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. GRAMINEAE (GRASS FAMILY) 125 erect teeth, middle awn 3-0 mm. long, horizontal, coiled at the base in maturity. â âSterile sandy or gravelly soil, Me. to Mo. and southw. Fig. 84. Var. Curtissii Gray. Differs in being less freely branched ; panicles looser; glumes unequal, the second 10-12 mm. long, the first |-| as long; lemma 7-10 mm. long, excluding the awns.âVa. to Mo., and southw. 2. A. basiramea Engelm. 'RasecabMng A. dieh'itoma, f
. 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. GRAMINEAE (GRASS FAMILY) 125 erect teeth, middle awn 3-0 mm. long, horizontal, coiled at the base in maturity. â âSterile sandy or gravelly soil, Me. to Mo. and southw. Fig. 84. Var. Curtissii Gray. Differs in being less freely branched ; panicles looser; glumes unequal, the second 10-12 mm. long, the first |-| as long; lemma 7-10 mm. long, excluding the awns.âVa. to Mo., and southw. 2. A. basiramea Engelm. 'RasecabMng A. dieh'itoma, freely branching at the base ; culms sparingly branched ; leaves aver- aging longer ; panicles looser, the terminal often partly included in the upper sheaths, small panicles commonly borne in the basal sheaths; glumes acuminate, unequal, second 12-14 mm. long, the first about | as long; lemma about 1 cm. long, exclud- ing the awns; lateral awns 2-7 mm. long, erect or spreading, middle awn 1-2 cm. long. â Dry soil and prairies. 111. to Minn, and Neb. Aug., 85. A. gracilis. Spilcelet X 2. A. dicliotonia. Spikelet x 21/2. 3. A. ramosissima iEngelm. Culms tufted, wiry, repeatedly branching, the branches divergent; leaves mostly setaceous ; panicle loose, few-flowered ; glumes cm. long, owned from a bifid apex, unequal, the second equaling the lemma (excluding the awns); lemma cm. long; lateral awns minute, erect, middle awn 2-3 cm. long, reflexed by a loose spiral at âDry prairies, Ind. and 111. to Tenn. and Mo. Aug., Sept. 4. A. gracilis Ell. Culms slender, in small tufts or solitary, branched at the base, simple or sparingly branched above, cm. high; sheaths not loose; blades 2 mm. or less wide, usually involute in drying ; spikelets mostly in a slender raceme (if a panicle, the branches rarely bearing more than 2 spikelets), rather distant below, often crowded above ; glumes unequal, the second equal- ing thefioret; lemma about 6 mm. long, u
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