TRIANDRIA— DIGYNIA. Anmdo. 171 



valves lanceolate, acute, of a pale bronzed purple, the keel 

 roughish. Corolla not much above half as long, membranous, 

 white ; both valves notched at the summit, the larger bearing a 

 very small, rough, nearly terminal, awn. Hairs from the base of 

 the corolla, which they exceed in length. 



4. A. stricta. Smallest Close Reed. 



Calyx single-flowered, ovate, scarcely longer than the co- 

 rolla. Fanicle erect, close. Flowers scattered, spread- 

 ing every way, with a dorsal awn. Hairs shorter than 

 the corolla. Stipula very short. 



A. stricta. Schrad. Germ. v. 1.215. t. 4. /. 5. Engl. Bat. v.ZO- 



t.2\C)0. Cow/3.20. Hook. Scot. 27. 

 A. neglecta. Ehrh. Calam. 1 18. Sm. Tr. of Linn. Soc. v. 10. 337. 



In marshy ground in Scotland. 



In the \Vhite IMire, a mile from Forfar. Mr. G. Don. 



Perennial. June. 



Roof creeping. Stem scarcely 2 feet high, very slender and smooth, 

 with 2 joints. Leaves narrow, sharp-pointed, rough on the upper 

 side. Sheaths quite smooth, slightly striated. Stipula scarcely 

 prominent, except that of the uppermost leaf, which is very 

 short, abrupt, slightly notched, finally torn. Panicle from 3 to 

 5 inches long, slender, close, except when in full flower, of a 

 purplish brown ; the branches half-whorled, roughish. Calyx- 

 valves ovate, acute, not pointed, single-ribbed ; sometimes be- 

 sprinkled with short hairs. Corolla nearly as long as the calyx, 

 both valves membranous, flat, abrupt, and notched ; the outer 

 with 2 ribs near each margin, and a straight awn from the middle 

 of its back, scarcely overtopping the glume ; inner smaller, with 

 solitary, marginal ribs. Hairs but half the length of the largest 

 valve, a little elongated as the seed ripens. 



5. K, arenaria. Sea Reed. Marram. Sea Mat-weed. 



Calyx single-flowered, longer than the corolla. Panicle 

 spiked. Flowers erect, slightly aw^ned. Leaves involute, 

 sharp-pointed. 



A. arenaria. Linn. Sp. PI. 121. Willd. v. 1 . 457. FL Br. 1 48. Engl. 



Bot. v.8.t. 520. Knapp t. 99. Mart. Rust. t. 32. Hook. Scot. 27. 



Dicks. H. Sicc.fasc. 12. 5. Schrad. Germ. v. I. 221. t. 5. /. 2. 



Fl. Dan. t. 9 1 7. Ehrh. Calam. I 7. 

 Calamagrostis arenaria. RofJi Germ. v. 2. p. \. 93. H'ith. 123. 

 Gramen sparteum spicatam, foliis mucronatis longioribus, vel spica 



secalina. RaiiSyn. 393. Bauh.Theatr.67.f. 

 G. spicatum secalinum maritimum maximum spica longiore, 



Scheuchz.Jgr. 138. t.3.f.8. 



