296 GRAMINEJE. [Phleum. 



Fruit invested with the hardened corolla. Named from 

 0aXo?, shining, Canary-seed being very glossy. 



Triandria. Digynia. 



1. P. Canaricnsis, Linn. Cultivated Canary-grass. Panicle 

 spiked, ovate; calyx-glumes boat-shapeU, entire at the point, 

 accompanied by the single valves of two other florets. Br. Fl. 

 ed. 3. p. 34. E. FL v. i. p. 74. E. Bot. t. 1310. 



Naturalized in some place?, where the seeds have been introduced 

 with manure. FL July. 0. One to two feet high, glaucous. Leaves 

 broad. Spikes handsome, composed of large, pale yellow-green calyx- 

 glumes, marked with deeper lines, and singularly keeled at the back. 



2. P. arundinacea, Linn. Reed Canary-grass. Panicle 

 erect, its branches patent ; florets clustered, secund, imperfect 

 floret consisting of a small hairy valve. Br. Fl. ed. 3. p. 34. 

 E. Fl. v. i. p. 74. E. Bot. t. 4Q2.Arundo color ata, Fl. Br. 

 Digraphis arund. Trin. and Lindl. 



Ditches, sides of lakes and rivers, common. FL July. Aug. T. 

 Very different from the last in general habit, but not in essential char- 

 acter. Panicle large, six to eight inches long, often brownish or 

 purplish-green. Excellent for securing river-banks ; its roots are 

 creeping, and here and there tufted. 



3. AMMOPHILA. Host. Sea-reed. 



Panicle spiked. Calyx of two, nearly equal, keeled valves, 

 longer than the corolla, surrounded at the base by a tuft of 

 hairs. Named from a/i/tos, sa?id, and 0<Xo5, a lover. 



Triandria. Digynia. 



1. A. arundinacea, Linn. Common Sea-reed, Marum, or 

 Mat-weed. Panicle cylindrical, acuminate ; glumes acute ; 

 hairs one-third the length of the corolla. Br. Fl. ed. 3. p. 34. 

 Ammophila arenaria, Lindl. Syn. p. 303. Arundo arenaria, E. 

 Bot. t.teQ. E.FLv. i. jo. 171. 



Sandy sea-shores, frequent. Fl. July. 1. Hoot much creeping. 

 Leaves long, narrow, rigid, involute, glaucous. Culm two to three 

 feet high. Corolla far more rigid than the calyx, the larger valves 

 with a small sinus below the point. Extensively employed by Lord 

 Palmerston, on the coast near Ballyshannon, for preventing the inroads 

 of the sea. 



4. PHLEUM. Linn. Cat's-tail-grass. 



Panicle compact. Calyx of two valves, nearly equal, acumi- 

 nate, or mucronato-aristate, including the corolla of two 

 awnless valves. Seed free. Named from 0Xeos, or 0Xews, 

 formerly applied, as is supposed, to the Reed-mace ( Typha), 

 to which our grass bears some distant resemblance. 



Triandria. Digynia. 



