CL. III.] TRIANDRIA DIGYNIA. 7^ 



as the awns ; root knotted. Straw ascending, from six to twelve 



inches long, smooth : spiked panicle about an inch in length. Peren- 

 nial : flowers in July : grows on some of the higher mountains of Scot- 

 land, as Ben Lawers, and Ben-na-buird ; and on Lettery mountain, Gal- 

 way, Ireland : rare. Eng. Bot. vol. xv. pi. 1077. Eng. Ft. vol. i. 

 p. 77. 101. 



3. P. Michtlii. Michelian Cat's-tail-grasi. Panicle spiked, cylindri- 

 cal, chaff-scales lauce-shaped, pointed, fringed on the keel. Roots 



fibrous : straws from one to two feet high, leafy : leaves flat, rough on 

 the edges : panicle close, about two inches long. Perennial : flowers in 

 July. Found by Mr. G. Don on rocky parts of the Clova mountains. 

 Eng. Bot. vol. xxxii. pi. 2265. Eng. Fl. p. 78. 102. 



4. P. as'pentm. Branched Cat's-tail-grass. Panicle spiked, cylindri- 

 cal ; chaff-scales wedge-shaped, pointed, rough, with a bare keel. 



Root fibrous : straw about a foot high, branched, smooth : leaves rough- 

 ish, pointed, erect : panicles terminal, erect, cylindrical, about two inches 

 long. Annual : flowers in July : grows in dry fields : rare. Near 

 Bristol ; on Newmarket Heath ; in Badmington Park, Gloucestershire ; 

 in Bedfordshire, &c. Eng. Bot. vol. xv. pi, 1077. Eng. Fl. vol. i. 

 p. 77. 103. 



5. P. Boehmtri. Purple- stalked Cat's-tail-grass. Panicle spiked, 

 cylindrical ; chaff-scales lance-shaped, pointed, slightly hairy ; straw 

 simple. Roots fibrous : straws about a foot high, erect, purple : chaff- 

 scales purple. Perennial : flowers in July : grows in dry fields, in the 

 western parts of England : rare. Norfolk and Cambridge. Eng. Bot. 

 vol. vii. pi. 459. Eng. Fl. vol. i. p. 78- 104. 



6. P. arendrium. Sea-side Cat's-tail-grass. Panicle spiked, oblongj 



enlarged at the top ; chaff-scales lance-shaped, fringed. Root fibrous : 



straws about six inches high, leafy below : spiked panicle short, enlarged 

 above : husks half the length of the chaff-scales. Perennial : flowers 

 in July : grows in sand on the sea-shore. Eng. Bot. vol. iv. pi. 222. 

 Eng. Fl. vol. i. p. 79. 105. 



15. ALOPECU'RUS. FOX-TAIL-GRASS. 



Calyx one-flowered, of two nearly equal, egg-shaped, ribbed 

 chaff-scales. Corolla of one concave, egg-shaped husk. Awn 

 twice as long as the husk, and arising from its base. Filaments 

 hair-like; anthers forked at each end. Germen roundish. Styles 

 hair-like, united at the base ; stigmas long, feathery. Seed egg- 

 shaped, loose, covered by the husk. Name from alopex, a fox, 

 and oura, a tail. 31. 



1. A. pratensis. Meadow Fox-tail-grass. Straw erect, smooth ; panicle 

 spiked, cylindrical ; chaff-scales acute, hairy, shorter than the awn of the 



husk. Root fibrous : straws about two feet high : leaves flat, nearly 



smooth : spiked panicle about two inches long, hoary. Perennial : 

 flowers in May : grows in meadows and pastures : common. Eng. But. 

 vol. xi. pi. 759. Eng. Fl. vol. i. p. 80. 106. 



2. A. alp'inus. Alpine Fox-tail-grass. Straw erect, smooth ; panicle 

 spiked, egg-shaped ; chaff-scales obliquely abrupt, hairy ; awn a little 



longer than the husk. Root creeping : straw about a foot high, erect, 



smooth : ^root-leaves narrow, the other broader : spiked panicle hardly 



