NATURAL HISTORY SOCTRTY OF GLASGOW. 281 



Triodia decumbens, Beauv. 

 Koeleria cristata, Pers. 

 Molinia cserulea, Moench. 

 Glyceria fluitans, Brown. Frequent. 

 Poa alpina, Linn. 



Balfourii, Bab. Rare. 

 Cynosurus crista tus, Linn. 

 Festuca sciuroides, Roth. 



ovina, Linn., var. tenuifolia. 



rubra, Linn., var. duriuscula. 

 Lolium perenne, Linn. 

 Nardus stricta, Linn. 



FERNS. 



Hymenophyllum unilaterale, Willd. 

 Pteris aquilina, Linn. 

 Cryptogramme crispa, Brown. 

 Lomaria spicant, Desv. 

 Asplenium Trichomanes, Linn. 



viride, Huds. 

 Cystopteris fragilis, Bernh., var. dentata. 



montana", Link. This plant is being fast rooted out. 

 Aspidium Lonchitis, Sw. 

 aculeatum, Sw. 

 Xephrodium Filix-mas, Rich. 



dilatatum, Desv., alpine form. 



Oreopteris, Linn. 

 Polypodium vulgare, Linn. 



Phegopteris, Linn. 



Dryopteris, Linn. 



alpestre, Hoppe. 

 Botrychium Lunaria, Sw. 



LYCOPODS. 

 Lycopodium clavatum, Linn. 



alpinum, Linn. 



Selago, Linn. 

 Selaginella Selaginoides, Gray. 



EQUISETA. 



Equisetum arvense, Linn. On the debris at the mines. 



