212 HISTORY OF BRITISH MOSSES. 



Generic Character. — Capsule oblique, gibbous (or swollen). 

 Peristome double, the outer of numerous, filiform, erect, jointless 

 teeth ; tlie inner a plaited membranous cone. Calyptra mitri- 

 form, minute. 



1. BuxBAUMiA APHYLLA, Hall. {Leojlcss Buxlaumia.) 

 Leaves very minute; lower ones ovate, deeply dentate; 

 u})per ones palmate, with long fringes ; capsule smooth, the 

 lower side membranaceous, the upper firm ; apophysis small, 

 cylindrical; seta red, taberculated. 



On the ground, mostly in or near woods, sometimes on 

 the mountains. Sidlaw Hills, Forfarshire; at the foot of 

 Ben Ledi, in Perthshire, associated \i'it\\PolytricImm. Camp- 

 sie Hills and Bowling Bay, G. I. Lyon, Esq. Fr. Spring. 

 Its discovery as a British plant was first made by Sir W. J. 

 Hooker at Sprowston, near Norwich, where it was found in 

 a fir-plantation, and it has since been discovered in similar 

 localities in Scotland. The late Mr. Gardiner, in his ' Flora 

 of Forfarshire,' mentions particularly the number of speci- 

 mens he gathered in several successive years on the Sidlaw 

 Hills, near Dundee ; and the details he gives, show that, like 

 many others, the quantity and quality of the specimens 

 depend much on the nature of the season. 



We have already, in the Introductory Chapter, referred to 



