4 ( J2 98. 



23. POLYPO'GON Desf. 



1. P. monspelieri sis (Desf.) ; awns more than twice as long as 

 the bluntly and shortly lobed glumes. E. B. 1704. P. 11. 

 Root fibrous. St. a foot or more high. Pan. dense, lobed, pale, 

 silky, often 2 in. long. Ql. linear, hairy. A most beautiful 

 grass. Salt marshes, rare. A. VI. VII. E. S. 



2. P. lit'toralis (Sm.) ; awns as long as the acute glumes. 

 E. B. 1251. P. 81. R. vii. 75. Somewhat creeping. St. a 

 foot or more high. Pan. close, lobed, purplish. Gl. linear- 



^lanceolate. [Considered by Duval-Jouve and others a hybrid between 

 Sp. 1 and Agrostis alba.] Muddy salt marshes, rare. P. VI. VII. 



L. 



24. GASTRID'IUM Pal. de Beauv. Nit-grass. 



1. G. austrdle (Beauv.) ; gl. lanceolate acuminate, lower pale 

 awned, awn rather exceeding the glumes. G. lendiqerum(G&ad.. ) 

 ed. viii. E. B. 1107. P. 86. St. 312 in. high. L. rough- 

 ish at the edges. Ligule oblong. Pan. close, almost spiked, 

 lobed. Gl. remarkably ventricose and shining at the base. 

 Pales very small. Damp places especially near the sea, rare. 

 A. VL-lX. E. 



Tribe X. Avenea. 

 25. Hoi/cus Linn. Soft-grass. 



1. H. landtus (L.) ; upper gl. blunt apicula.te, awn smooth 

 except near the tip ultimately curved like a fish-hook and in- 

 cluded within the glumes, sheaths and knots vitlose. E. B. 1169. 

 P. 21. Csespitose. Root fibrous. Height 12 feet. Knots 

 not hairy. Inflorescence panicled, often pinkish. Gl. rough. 

 Lower fl. awnless, quite smooth or slightly rough at the point. 

 Meadows and pastures. P. VII. Yorkshire Fog. E. S. I. 



2. H. mol'lts (L.) ; upper gl. acute, awn rough throughout 

 ultimately kneed protruding beyond the glumes, 1. rough, 

 sheaths glabrous, knots bearded. E. B. 1170. P. 21 & 22. 

 Creeping. Height 1 2 feet. St. and 1. subglabrous or slightly 

 hairy. Inflorescence not so compact as in the preceding, whitish. 

 Gl. smooth. Lower fl. awnless; but sometimes it has an awn ; 

 rarely the upper is perfect. Occasionally the spike] ets are much 

 smaller and the plant only 12 18 in. high. Thickets or open 

 places on a light soil. P. VII. E. S. I. 



