1G8 TllIANDRIA— DIGYNIA. Arundo. 



inclining, ovate, many-flowered, woolly from the copious soft 

 hairs of the calyx, and beset at the base with numerous empty 

 glumes of a similar structure ; the upper part is bristly with the 

 numerous, prominent, brownish awns of the flowers. 

 This grass serves, like the Stipa pennata, to decorate flower-pots 

 in winter) to which the foreign Briza maxima is a welcome ad- 

 dition. 



56. ARUNDO. Reed. 



Linn. Gen. 3S. Juss. 32. Fl. Br. 144. Lam. t. 46. 



Cal, of 2 unequal, lanceolate, pointed, keeled, compressed, 

 awnless valves, containing one or more Jlorets. Cor, of 2 

 unequal valves ; the outer largest, lanceolate, keeled, com- 

 pressed, pointed; either entire or notched at the ex- 

 tremity ; with or without an a^son from some part of the 

 keel ; inner cloven at the point, inflexed at each marginal 

 rib ; each valve furnished, at the base, with numerous, 

 erect, soft, slender hairs, gradually elongated as the 

 flowers advance, and finally spreading in every direction. 

 'Nectary of 2 minute scales. Filam. capillary, about the 

 length of the calyx. Anth. cloven at each end. Germen 

 obovate, or oblong. Styles short. Stigmas feathery, densely 

 tufted. Seed oblong, pointed at each end, loose, but en- 

 veloped in the corolla, the hairs attached to which serve 

 as wings for the seed. 



Root for the most part creeping. Stems erect, from 2 to 12 

 feet high, round, jointed, clothed with harsh, taper- 

 pointed, sheathing leaves. Panicle very much branched, 

 of innumerable flowers ; in A, arenaria close, and spiked. 



1. A. Phragmites. Common Reed. 



Florets about five, awnless, longer than the calyx. Panicle 

 loose. 



A. Phragmites. Linn. Sp. PI. 120. Willd. v. 1 . 454. Fl. Br. 144. 



Engl. Bot. V.6. t.40\. Knapp t. 95. Hook. Scot. 27. Schrad. 



Germ. v. 1.223. t.5.f.4. Leers 45. t. 7.f. 1. Ehrh. Calam. 108. 

 A. n. 1515. Hall. Hist. v. 2. 240. 

 A. valiatoria. Raii Syn. 401. Ger. Em. 36. f. 

 A. vulgaris. Bauh. Theatr. 269 ./. Scheuchx. Agr. \6\.t.3.f. 14,D. 

 A. palustris. Matth. Valgr. v.\.\34.f. Camer. Epit. 73. f. 

 A. vulgaris palustris. Moris. iJ.S. 218. sect. 8. t. S.f. 1. 



In marshes, ditches^ and about the banks of pools and rivers, very 



abundant. 

 Perennial. July. 

 Root creeping. Stems stout, about 6 feet high, annual, hollow. 



