Pl.md.ph. 10. GRAMINEiE. 79. Holcus. 137 



Gramen miliaceutn segetale majus, Raii Syn. 403, 5. 



Gramen segetum panicul^ speciosa, Park. 1158. 



Gramen segetale, Ger. em. 5. 



Aira caespitosa, Lin. S. P. 96. 



Aira altissima, La March Fl. Tr. 3, 581. 



Deschampia caespitosa. Pal. de Beauvois. 



Hussocks. Sough caps. Bulls' faces. 



Woods and damp fields ; perennial ; July. 



Roots in thick tufts; culm 3 ^eet high, upright; leaves 

 slender; ligula long, 2-cut; panicle greenish purple; lociistcn 

 small. 



/3. argentea. Panicle silvery white. 



y. vivipara. Panicle viviparous. 



3. Deschampsia Doniana. DoiH s pearlgrass^ 



Panicle rather spreading ; base of the spathellule longly 

 pilose ; pedicell of the upper flowret long, pilose ; leaves fur- 

 rowed above ; sheaths very smooth ; ligula truncated at top. 



Aira gloinerata, Geo. Don. 



Mountain Clova, Angus-shire; perennial; July. 



Boots in tufts; culm erect, 2 feet high, very smooth; 

 leaves stiff, flat, narrow, become revolute; sheaths short, 

 lower white with a membranous edge ; ligulce long ; panicle 

 upright, villous. 



XL. 81. CORYNEPHORUS. Beauvois. Clul-awn. 

 Glumes 2-flowered ; spathelles alternate, membranous, 

 longer than the flowrets; lower spathellule not notched, 

 awned at bottom ; awn woolly, jointed in the middle ; the 

 lower part coriaceous, twisted, threadshape; the upper 

 clubshape, smooth ; upper spathellule 2-cut toothed ; stig- 

 mata villous. — Panicle branched. 



Corynephorus canescens. Grey chib-awn. 



Leaves bristlelike; culm leafy; panicle spreading, be- 

 coming spikeshape, sheathed. 



Gramen miliaceum maritimiim molle, Raii Syn. 405, 16. 

 Aira canescens, Lin. S. P. 97. 

 Avena canescens, Weber Holsat. 9. 

 W^eingaertneria canescens, Bern. Erford. 51. 

 Corynephorus canescens, Pal, de Beauvois. 



Sands by the sea ; perennial ; July. 



Root fibrous, in tufts ; culm upright or ascending, 6 in. 

 high, smooth; leaves erect, stifti rough, glaucous; ligula 

 lanceolate, acute; panicle upright, rather facing one way, 

 rarely coming out of the sheath ; locustce silvery-grey. 



