194 88. GRAMINEJE. 



4. A. PLA.NICULMIS, Schrad. Flat-stemmed Oat. "Panicle 

 erect, compound, interrupted, spikelets erect, nearly cylindrical, 

 linear-oblong of 5 7 florets, lower floret longer than the longest 

 glume, le. scabrous, broadly linear, suddenly acute, minutely 

 serrate, sheaths flat, sharply carinate, scabrous, lower part of the 

 culm slightly compressed, two-edged." 



" Glen Sannox, 0:1 the ascent of Goat Fell from Loch Rannoch, Isle of Arran," 

 Mr. Stewart Murray, 1826, late curator of the Glas. Bot. Garden, H. & A., 

 p. 566. P. 7. In the "Manual of British Botany" this is given as a variety of 

 A. pratensis. 



5. A. PUBESCENS, L. Downy-Oat. Rhizome slightly creeping. 

 Stem erect, 1 2 ft. high. Lower le. flat, downy on the edge; 

 sheaths covered with long soft hairs. Panicle erect, with rough 

 branches, nearly simple, spikelets erect, glumellas scarcely ex- 

 ceeding the glumes. 



Very rare. Dry pastures. (B) P. G 7. Cathkin hills; "Banks of the Cart 

 opposite the mill," Hopk. 



6. A. FLAVESCENS, L. Yellow-Oat. Stem erect, about 1 ft. 

 high, nodes with a circle of deflexed hairs. Lower le. and sheaths 

 hairy; ligule very short, obtuse. Panicle much branched, the 

 lower-ones rising in fives; spikelets yellowish, small. Gl. unequal. 

 Glumellas with downy pedicels, outer one ending in 2 terminal 

 bristles. Awn twisted and bent. 



Very rare. Dry pastures. (E) P. 7. Below Faiiiie on the sandy pastures; 

 Island of Arran ; sometimes introduced with seed. 



18. SESL^RIA. Blue Moor-grass. 



S. C^ERTJLEA, Scop. Rhizome creeping, densely tufted. Stem 

 6 18 in. high, slender, light green. Le. very short, linear, 

 obtuse, terminating in a minute rough point. Panicle ovate, 

 shining, bluish grey. Outer glumella with the midrib rough, and 

 terminating in a short point. Anthers prominent, of a bleached 

 yellow, with purple tips. 



Very rare. On mountains. (H) P. 4 6. Ben Lomond plentiful. 



19. CYNOStJRUS. Crested Dog's-tail-grass. 



C. CRISTATUS, L. Root fibrous. Stems tufted, erect, wiry 

 and very tough. Le. narrow, acute, rough on the upper surface, 

 smooth and glossy below. Panicle spike-like; spikelets secund, 

 with pectinated bracts at the base of each. Glumellas shortly 

 awned. Often viviparous on mountains. 



Very common. Dry pastures. (B) P. 7. 



20. DACTYLTS. Rough Cock's -foot-grass. 



D. GLOMERATA, L. Root fibrous. Stems tufted, erect, rough, 

 about 2 ft. high. Le. broad, linear, acuminate, rough, edges 



