. 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. Agrostis cryptandra Torr. Ann. Lye. N. Y. i: 151. Sporobolus cryptandrus A. Gray, Man. 576. 1848. 1824. Culms ii°-34° tall, erect, simple or sometimes branched at the base, smooth and glabrous. Sheaths smooth, with a dense pilose ring at the summit, the lower short, crowded and overlapping, the upper much longer, generally enclos- ing the base of the panicle; l
. 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. Agrostis cryptandra Torr. Ann. Lye. N. Y. i: 151. Sporobolus cryptandrus A. Gray, Man. 576. 1848. 1824. Culms ii°-34° tall, erect, simple or sometimes branched at the base, smooth and glabrous. Sheaths smooth, with a dense pilose ring at the summit, the lower short, crowded and overlapping, the upper much longer, generally enclos- ing the base of the panicle; ligule a ring of short hairs; blades 3'-6' long, i"-2" wide, flat, glabrous beneath, sca- brous above, long-acuminate; panicle 6'-io' in length, the base generally included in the upper sheath, rarely entirely exserted, the branches spreading or ascending, alternate, the lower iJ'-3' long; spikelets i"-ii" long, the scales acute, glabrous, the outer scabrous on the keel, the lower one-third as long as the upper; third scale somewhat longer or shorter than the second. In sandy soil, Massachusetts to Montana, Pennsylvania and Mexico. Prairie-grass. 16. Sporobolus heterolepis A. Gray. Northern Dropseed. Fig. 479. Vilfa heterolepis A. Gray, Ann. Lye. N. Y. 3: 233. 1835. Sporobolus heterolepis A. Gray, Man. 576. 1848. Culms i°-3° tall, erect, simple, smooth and glabrous. Sheaths sometimes sparingly pilose at the summit, the lower short, loose, and overlapping, the upper much elongated and tight to the culm; ligule a ring of short hairs; blades involute-setaceous, glabrous, the margins and upper part of the midrib very rough, the basal about three-fourths the length of the culm, occasionally equal- ling it, those of the culm shorter; panicle 3'-lo' in length, its branches erect or ascending, alternate or sub-verticil- late, the lower ii'-3i' long; spikelets 2"-2l" long, the scales smooth and glabrous, the outer unequal, acuminate, the lower
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
