THE FLORA 201 



superstitious reverence among Celtic and other nations ; 

 horses were said to lose their shoes where it grew. C. 



EQUISETACE^E (the Horsetail family) 



British species are perennial herbs with hollow-jointed 

 stems, marked by longitudinal striae, without true leaves. 



Equisetum, L. 



E. ar cense, L. Corn Horsetail, Earball Capuill, I. A 

 common weed of moist fields. 



E. sylvaticum, L. Branched Wood Horsetail. Cuirridin 

 Coille, I. Damp hollow below Allt-ruadh plantation. 



E. palustre, L. Marsh Horsetail. Cuirristfn, I. Ditch, 

 roadside, Bealach Gaoithe, and other places. 



E. limosum, L. Smooth Naked Horsetail. Loch side. 



E. limosum, b. fluviatile (L). Ditch below Screadan. 



LYCOPODIACE.E (the Club-moss family) 

 Species of the order are widely distributed ; but, judging 

 from fossil remains, they were more abundant and grew to a 

 larger size in the earlier geological periods. 



Lycopodium, L. 



L. Selago, L. Fir Club-moss. Garbhag-an-t-Sle"ibh. A 

 few plants among the hills. Perennial. As several were 

 found uprooted, it is possible that the species is being 

 exterminated by grazing stock. 



SELAGINELLACE^; (the Selaginella family) 

 A large and interesting tropical order, confined in Britain 

 to a few species. 



Selaginella, Spring. 



S. selaginoides, Gray. Lesser Alpine Clubmoss. Common 

 in moist situations. Per. 



