134. BRITISH MOSSES. 



Plate XIX. 



ZYGODONTIE^. 



Fig. 1. Chaeacteeistics of Oedee. 



Capsule (a) pyriform, erect^ striated^ with an apophysis, either immersed or on 

 a long seta. Lid with very long beak. Peristome variable, wanting, single, or 

 double, the teeth of the outer thirty-two, but united into sixteen or eight ; the inner 

 peristome, composed of ciUa, alternates with these. Calyptra very small ; areolae 

 small and roimd (guttulate) ; leaves lanceolate, the margins never recurved. 

 Plants tufted, on trees and rocks. 



(a). Peristome none. 



Fig. 2. Zygodon Lapponicus. 



Lapland Yoke Moss (a) . 

 Colour. Yellow green. 



Stems. Tufted, branched, thickly covered with roots (radiculose) . 

 Leaves (b) . Spreadixig, liaear-lanceolate, broad below, crisped when dry ; the 



nerve not reaching to the point. 

 Flowers and Fruit. Monoicous. Seta short; capsule eight-ribbed; mouth wide; 



peristome none. Summer. 

 Locality. Crevices of rocks. 



Fig. 3. Zygodon Motjgeottii. 



Mougeofs Tohe Moss («) . 

 Golow. Brownish. 



Stems. Much branched,, long, sparingly beset with roots. 

 Leaves (6) . Spreading, long, linear-lanceolate ; nerve reaching to the apex. 

 Flowers and Fruit. Dioicous. Capsule round ; fruit very rare. Summer. 

 Locality. Common on moist rocks in a barren state. 



