CL. III.] TKIANDRIA DIGYNIA. 71 



egg-shaped and oblong ; chaff-scales abrupt, fringed on the keel, 



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



to twelve inches long, smooth : spiked panicle about an inch in 

 length. Perennial : flowers in July : grows on some of the higher 

 mountains of Scotland, as Ben Lawers, and Ben-na-buird ; and on 

 Lettery mountain, Galway, Ireland : rare. Eng. Bot. vol. xv. pi. 

 1077. Eng. Fl.\Q\. i. p. 77. 101. 



3. P. Michelii. Michelian Cat' s-tail-grass. Panicle spiked, cylin- 

 drical, chaif-scales lance-shaped, pointed, fringed on the keel. 



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

 rough on the edges : panicle close, about two inches long. Peren- 

 nial -. flowers in July, Found by Mr. Gr. Don on the rocky parts 

 of the Clova mountains, Eng. Bot. vol. xxxii. pi. 2265. Eng. FL 

 vol. i. p. 78. 102. 



4. P.as'perum. Branched Cat' s-tail-grass. Panicle spiked, cylin- 

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



Root fibrous: straw about a foot high, branched, smooth: 



leaves roughish, pointed, erect : panicles terminal, erect, cylindri- 

 cal, about two inches long. Annual : flowers in July : grows in 

 dry fields : rare. Near Bristol ; on Newmarket Heath ; in Bad- 

 inirjgton Park, Gloucestershire; in Bedfordshire, &c. Eng. Bot. 

 vol. xv. pi. 1077- Eng. FL voL i. p. 77. 103. 



5. P.Boehmerii. 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, ob- 

 long, 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. ALOPECTTRUS. 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 liair-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. Meadoio 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 pas- 

 tures : common. Eng. Bot. vol. xi.pl. 759. Eng. Fl. vol. i. p- 80. 106. 



2. A. Alpinus. Alpine Fox-tail-grass. Straw erect, smooth ; pani- 

 cle 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 



