CL. III.] TRIANDRIA DIGYNIA. 77 



4. A. alpina. Smooth Alpine Hair-grass. Panicle rather close, 

 with smooth branches ; flowers acute, the length of the calyx ; 

 awn short, from near the top of the outer husk ; leaves involute. 



Straws about a foot high : leaves rough on the upper side : 

 panicle with shining brownish flowers, on nearly erect branches. 

 Perennial : flowers in July : grows on the higher mountains of 

 Scotland and Wales : common. Eng. Bot. vol. xxx. pi. 2102 : A. 

 l&vigata. Eng. Fl. vol. i. p. 103. 131. 



5. At flexuosa. Panicle spreading, with waved branches ; 

 flowers acute, as long as the calyx; awn from the middle of the 



outward husk, twisted ; leaves bristle- shaped. Straw upwards 



of a foot high, erect, smooth : leaves short : panicle erect, with 

 waved angular branches and flower-stalks, and shining brown 

 flowers. Perennial: flowers in. July : grows in heathy places and 

 on dry banks : common. Eng. Bot. vol. xxii. pi. 1519. Eng. Fl. 

 vol. i. p. 104. 132. 



6. A. canescens. Grey Hair-grass. Panicle rather close ; flowers 

 shorter than the calyx ; awn short, club-shaped ; leaves bristle- 

 shaped. Straws about six inches high -. leaves numerous, chiefly 



radical, forming dense tufts : panicle with numerous small flowers 

 variegated with purple, green, and white. Perennial : flowers in 

 July : grows on the sandy coasts of Norfolk and Suffolk ; Jersey. 

 Eng. Bot. vol. xvii. pi. 1190. Eng. Fl. vol. i. p. 105. 133. 



7. A . caryophy'llea* Silver Hair-grass. Panicle spreading ; 

 flowers sessile, not longer than the calyx ; awn from below the 



middle of the husk, twice its length ; leaves bristle-shaped. 



Generally about six inches high : panicle three-forked, with sil- 

 very flowers. Annual : flowers in June and July : grows on dry 

 pastures and gravel pits : common. Eng. Bot. vol. xii. pi. 812. 

 Eng. Fl. vol. i. p. 107. 134. 



8. A. pros' cox. Early Hair-grass. Panicle close, erect ; flowers 

 sessile, as long as the calyx ; awn from the base of the husk, 



nearly twice its length ; leaves bristle-shaped. Straws from 



two to five inches high ; panicle with angular rough branches, and 

 pale, purplish flowers. This and the preceding species wither very 

 soon, when the season is dry. Perennial : flowers in May and 

 June : grows in dry sandy pastures : common. Eng. Bot. vol. 

 xviii. pi. 1296. Eng. FL vol. i. p. 106. 135. 



24. ARU'NDO. REED. 



Calyx of two unequal, lance-shaped, pointed, keeled, awnless 

 chaff-scales. Corolla of two unequal husks ; the outer larger, 

 lance-shaped, keeled, compressed, pointed ; the inner cleft at 

 the point, inflected at the edges ; each husk with numerous 

 soft hairs at the base. Nectary of two minute scales. Fila- 

 ments thread-like ; anthers cleft at both ends. Germen oblong. 

 Style short ; stigmas feathery. Seed oblong, loose, but en- 

 veloped in the husks. Name Arundo, a reed. 40. 



1. A. Phragmites. Common Reed. Flowers about five in each, 



calyx, awnless ; panicle loose. Root creeping : stems about six 



feet high, stout, smooth : leaves lance-shaped, rough on the edges, 

 many-ribbed : panicle very large, with the branches in half whorls : 

 flowers brownish purple, with large tufts of silky hairs. Peren- 

 nial : flowers in July : grows in ditches, marshes, lakes, and rivers : 

 not very common, but often growing in large masses ; the favour- 

 ite haunts of the Coot, the Water-hen, and the Reed Bunting. 



