. 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. 212 GRAMINEAE. Vol. 46. AMMOPHILA Host. Gram. Austr. 4: 24. pi. 41. 1809. Tall perennial grasses with flat leaf-blades, convolute above, and dense spike-like panicles. Spikelets i-flowered, the rachilla prolonged beyond the flower and hairy. Scales 3, rigid, chartaceous, acute, keeled; the 2 outer empty, the lower i-nerved, the upper 3-nerved; third scale s
. 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. 212 GRAMINEAE. Vol. 46. AMMOPHILA Host. Gram. Austr. 4: 24. pi. 41. 1809. Tall perennial grasses with flat leaf-blades, convolute above, and dense spike-like panicles. Spikelets i-flowered, the rachilla prolonged beyond the flower and hairy. Scales 3, rigid, chartaceous, acute, keeled; the 2 outer empty, the lower i-nerved, the upper 3-nerved; third scale s-nerved, with a ring of short hairs at the base, subtending a chartaceous 2-nerved palet and a perfect flower. Stamens 3. Styles distinct. Stigmas plumose. Grain free, loosely enclosed in the scale and palet. [Greek, sand-loving, from the habitat of these grasses.] Two species, the following widely distributed along the fresh and salt-water shores of the northern hemisphere, the other European. Type species: Arundo arenaria L. i. Ammophila arenaria (L.) Link. Sea Sand- reed. Sea Mat-weed. Marram. Fig. 512. Arundo arenaria L. Sp. PI. 82. 1753. Calamagrostis arenaria Roth, Fl. Germ. 1: 34. 1788. Ammophila arundinacea Host. Gram. Austr. 4: 24. 1809. Ammophila arenaria Link Hort. Berol. 1 : 105. 1827. Glabrous, culms 2°-4° tall, erect, rigid, stout, smooth, arising from a long horizontal branching rootstock. Sheaths smooth, the lower short, crowded and overlap- ping, the upper longer; ligule a mere ring; blades 6'-i° long or more, rigid, attenuate into a long slender invo- lute point, smooth beneath, scabrous above; spike-like panicle dense, 4'-i2' in length, 6"-8" thick, its branches i¥ long or less, appressed; spikelets s"-6" long, the scales scabrous, about equal in length, the third usually with the rudiment of an awn just below the apex; basal hairs i"-2" long. In sands of the sea coast from Newfoundland to North Carolina, and inland along the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
