Astomiim.] BRYACE^. 51 



coming shorter and nearly quadrate at base; costa stout, 

 excurrent into a smooth awl-shaped point : male flowers in the 

 axils of j^erichtetial leaves. — Proc. Am. Acad. xiv. 134. 

 Hab, Florida (Garber), in fine copiously fruiting specimens. 



5. A. Hallii, Aust. Monoecious, the male flowers terminal 

 on a distinct branch : leaves with a very loose areolation and 

 the margins often obscurely recurved ; costa often long-excur- 

 rent. — Bull. Torr. Club, vi. 145. 



Hab. Texas {E. Hall). This species is not satisfactorily known. 



B. STEGO CARPI. — Capsules opening in the upper part by 

 a dehiscent lid. 



Tribe II. WEISIE^. 



Plants cespitose, sometimes very small, generally of medium 

 size. Leaves simply costate ; areolation opaque, composed of 

 parenchymatous cells, small, punctiform or quadrate and gen- 

 erally papillose in the upper part of the leaf, larger, oblong- 

 hexagonal and pellucid or chlorophyllose at the enlarged base. 

 Capsule solid, generally exserted upon a more or less elongated 

 pedicel, rarely immersed, erect or curved, sometimes inclined or 

 pendent, subcylindrical, with a short collum or none. Lid 

 rostrate. Peristome simple or none ; teeth flat, entire or bifid. 

 Calyi^tra cucullate. 



1. Peristome none. 



10. ASTOMUM, Hampe. 

 Plants small, simple or branching. Upper leaves longer, 

 tufted, linear-lanceolate, curling. Flowers moncecious. Cap- 

 sule erect, symmetrical ; lid distinctly formed but not easily 

 detached. — Systegium, Schimp. 



1- A. crispum, Hampe. Stems short, branching: lower 

 leaves very small, narrowly ovate, the upper linear-lanceolate, 

 densely tufted, minutely papillose on the back, crispate when 

 dry; costa round, excurrent into a short point, borders invo- 

 lute : capsule globose, short-pedicellate, immersed ; lid short- 



