EXPLANATION OF THE PLATES. 61 



Plate V. 



WEISSIE^. 



Figs. Ij 8, 15. Chaeacteeistics op Sub-oedee. 



Capsule (a) contracted at the mouthy lid (6) with a long beak, the beak 

 slanting (ohlique) , leaves in eight rows. Areolae small. 



GYMNOSTOMUM. 



Figs. 1 — 7. Beaedless Moss. 



Generic Character {Fig. 1) . 



Capsule (a) roundish, of nearly the same shape on both sides (symmetrical) , 

 erect or slightly incHned, mouth contracted. No peristome ; but in some species 

 the spore case {sporangium) will adhere to the column when the capsule is ripe, 

 and thus close the mouth. Lid (6) with an iucliaed beak, risiag from a conical 

 base. Leaves generally lanceolate. Plants perennial, miaute, in tufts {ccespitose) , 

 on rocks or on earth. 



I. Dioicous. Leaves scarcely crisped when dry., margin never incurved, 

 {a) . Stems short. Capsule elliptic, mouth narrow. 



Fig. 2. G-tmnostomum tenite. 

 Slender Beardless Moss {a) . 



Colour. Light green. 



Stems. Very short, in patches. 



Leaves (&) . Sub-erect, tongue-shaped {Ungulate) , those of the perichsetium 



larger, convolute. 

 Capsule. Eed- brown, erect, elliptical. Ring round the mouth {annulus), 



remaining when the capsule is ripe {persistent) . Summer. 

 Locality. On sandstone. Rare. 



