214 HISTORY OF BRITISH MOSSES. 



name to the present Anictangkim ciliattim, from which it 

 was removed ; and thus suppressed by succeeding botanists. 

 Sir W. Hooker "ventured to separate (in the 'T\[usci 

 Exotici') a group from Anictanf/imn," which inohades our 

 British species. 



Generic Character. — Seta lateral. ]\Touth of the capsule naked. 

 Calyptra dimidiate. 



Hedwigia estiva, Hook. [Swumer Hedtvigia.) Stems 

 elongated, densely tufted; leaves lanceolate^ twisted when 

 dry ; capsule oval, smooth ; lid with a long, obhque, subu- 

 late beak. — Eng. Fl.p. 68. Zygodon compactus, Miill. Spi. 

 2)t. 1. ^J. 683. Anictangium compactum, Bryol. Europ. 



p. 29, ao. 



On wet shady rocks, especially such as are micaceous. 

 Tr. Autumn. Very nearly allied to Zygodon, with which, it 

 will be observed, it is united by a recent author. It is dis- 

 tinctly pletirocarpous. 



Subsection II. PERISTOMI. 

 Divison I. JPLOPERISTOMI. 

 PTEROGONIUM, Sw. (Pteeogonium.) 

 A genus partaking of much of the character of some 



