254 BRYACE^. [Timmia. 



innovations : leaves inclined to one side, the lower obovate, 

 gradually longer upward and obovate-oblong, incurved on one 

 side, open at the other below, nearly flat toward the apex, ser- 

 rate-denticulate from the middle upward, obtusely apiculate, 

 densely areolate ; costa yellowish brown, vanishing below the 

 apex : buds of the male flowers sessile along the stems, radicu- 

 lose at base ; inner perigonial leaves broadly ovate-concave, 

 abruptly acuminate, costate : capsule on a short erect pedicel, 

 oblong, slightly incurved and inclined ; lid convex, obtusely 

 short-beaked; peristome large; segments open but not dis- 

 joined; cilia 2 or 3, a little shorter than the segments; annulus 

 large, revoluble. — Bryol. Eur. t. 403; Sulliv. Mosses of TJ. 

 States, 43, t. 3. Orthopyxis Jieterosticha, Beauv. ; Lindb. 

 1. c. 78. 



Hab. Shady banks and slopes in the woods; common on the Eastern 

 slope of the United States. 



SUBTRIBE 11. TIMMIE^. 



Stems simple or dichotomous by annual innovations. Leaves 

 nearly equal ; areolation round-hexagonal, papillose in the upper 

 part, loose at the base. Flowers moncBcious and dioecious. 

 Inner membrane of the peristome obscurely 16-carinate at base, 

 divided above into numerous filiform segments, which are 

 united by fours at the apex. 



92. TIMMIA, Hedw. (PL 3.) 



Leaves narrowly lanceolate, recurved or spreading from a 



long-clasping base, coarsely serrate above ; costa round, stout. 



Calyptra narrow, cucullate. Capsule on a long thick pedicel, 



horizontal or inclined, obovate-oblong, obscurely striate or 



smooth, short-necked. Lid convex, pa])illate or dejiressed in 



the middle. Annulus narrow. Spores very small. 



1. T. megapolitana, Hedw. Monoecious : plants loosely 

 cespitose, bright green al)ove : leaves deeply serrate from above 

 the clasping base, concave, cirrhate and fistulose Avben dry; 

 inner perichaetial leaves thin, ovate-lanceolate : male flowers 1 

 to 3 at the base of the female, short-pedicellate : calyptra long, 

 very narrow, often left attached to the pedicel or more rarely 



