FLORA OF FORFARSHIRE. 19? 
Near Us an, .Messrs Croall and M^Farlane. Near Montrose, 
Mr A . Kerr. Old Montrose, Mr J . Cruickshank . 
Aira, L. Hair- Grass. 
Br.Sp.andv. 9. F. 6. 
A. cristata, L. Crested Hair-grass. H. 388, B. 366. — 
F. June, July. P. ( Koeleria cristata, Pers. Poa., L.) 
Sea-coast abundant, and extending to the mountain val- 
leys. From two to ten inches high, the spiked-panicle very 
variable in length. 
A. ccespitosa, L. Turfy Hair-grass. H. 388, B. 363. — 
F. June, Aug. P. (Deschampsia, Beauv.) 
Ditches and field borders common, and ascending to the 
summits of the mountains, where Mr G. Don has found it 
viviparous. It occurs from ten inches to between three and 
four feet high. 
A. alpina , L. Smooth Alpine Hair-grass. H. 388, B. 
363. — F. July, Aug. P. (Aira laevigata , E. Bot.) 
Clova mountains, not common. Bocks on the south side 
of Glen Dole, to the east of those on which Astragalus alpi- 
nus grows, Prof. Balfour. 
A.flexuosa , L. Waved Hair-grass. H. 389, B. 363. — 
F. July. P. 
Dry and moory ground common, from the coast to the 
summits of the mountains. 
A. caryophyllea, L. Silvery Hair-grass. H. 389, B. 363. 
— F. May, July. P. (Arena, Koch.) 
Sides of fields on dry banks frequent, varying from two to 
twelve inches high. 
A. prcecox , L. Early Hair-grass. H. 389, B. 363. — 
F. Apr. June. P. (Arena, Koch.) 
Old walls, woods, and banks, frequent. Mr Croall justly 
observes that “ this pretty little grass is very capricious in 
