88. GRAMINE.E. 201 



4 8-flowered. Glumes 5 7-ribbed, awned or awiiless. Outer 

 glumella acuminate, or with a short awn, 5-ribbed ; whole plant 

 often glaucous. 



Very common. Hedges and fields. (B) P. 68. 



Var. littorale, with involute le. and the rachis of the spike 

 smooth on the edge ; glumellas acute or awned ; plant glaucous. 

 Common. On the sea shore; Cumbrae and Arran. 



2. T. JUNCEUM, L. Rushy Sea Wheat-grass. Khizome creep- 

 ing. Stems decumbent at the base, 12 18 in. high. Le. involute, 

 linear, acute ; hairs on the ribs of the upper surface covering the 

 hollows between. Spike long, rachis smooth, very brittle. Spike- 

 lets distant, 4 6-flowered. Glumes smooth, obtuse or with an 

 apiculus, many ribbed, the central one running to one side. 

 Glumellas obtuse, smooth and polished, 5-ribbed ; the middle one 

 sometimes forming a small blunt point. Whole plant glaucous. 



Frequent. On sandy sea shores. (B) P. 7 8. 



Var. laxum. Le. flat, with involute e.dges, ribs on the upper 

 surface, rough with minute sharp points. Spikelets rather close, 

 5 8-flowered ; rachis not brittle, smooth, or minutely toothed. 

 Glumes obtuse or mucronate, about 7-ribbed. 



Common. On the sea shore; Cumbrae and Arran. 



3. T. CANINUM, Huds. Fibrous-rooted Wheat-grass. Root 

 Jibrous. Stems tufted, erect, smooth. Le. broad, rough on both 

 sides. Spike elongated, rachis rough on the edges. Spikelets 

 sessile, close, 4 5-flowered. Glumes nearly equal, roughish, 

 awned, 3 5-ribbed. Outer glumella of the lowermost floret equal 

 in length to the glume, 5-ribbed, acuminate, furnished with a long 

 slender awn. 



Frequent. Woods and banks. (B) P. 7. Partick in an old quarry; Carmyle 

 and Kenmuir woods; hedges near Cathcart; Cambuslang glen, &c. 



29. BRACHYPdDiUM. False Brome-grass. 



B. SYLVATTCTJM, Beauv. Slender False Brome-grass. Root 

 fibrous. Stem erect, 2 3 ft. high. Le. flat, broad, and linear; 

 hairy on the upper surface. Sheaths hairy; ligule blunt. Spike 

 drooping, spikelets distant, long, nearly round when young, com- 

 pressed when old. Gl. 7-ribbed. Outer glumella somewhat hairy, 

 7-ribbed. Awns of the upper florets longer than their glumellas. 



Frequent. In woods and hedges. (B) P. 67. Kelvinside; Carmyle and 

 Kenmuir woods; Cambuslang glen ; from Gourock to Arran. 



30. LOLIUM. Rye-grass. 



1. L. PEKENNE, L. Perennial or Beardless Rye-grass. Root 



