Bryace^.] 



i6r 



[Bryum. 



Sect. 3. EUBRYUM. Leaves erecto-patent. Endostome free, with 

 -4 appendiculate cilia. 



With stolons, leaves large clustered at summit. 

 Without stolons, leaves scattered. 

 Nerve vanishing below apex. 



Leaves obtuse and rounded at point. 



acute. 



Leaves distant. 



closely imbricated. 



Nerve reaching apex or excurrent. 

 Leaves limbate. 



Leaves muticous, cucuUate at apex. 



acuminate at apex, vifith a longly excurrent nerve. 



Autoicous. 



Synoicous. 



Leaves spirally twisted when dry. 



not spirally twisted. 



Dioicous. 



Leaves spirally twisted when dry. 



not spirally twisted. 



Leaves acute, mucronate. 

 Leaves decurrent. 

 Synoicous. 

 Dioicous. 



not decurrent. 



Leaves twisted when dry. 



not twisted. 



Caps, shortly pyriform, constricted below lid. 



long, obconic, not constricted. 



Leaves not limbate. 



Leaves in rosettes, interrupting the stem. 



scattered uniformly. 



Synoicous. 

 Dioicous. 



Capsule abruptly ending at base. 



attenuated into seta. 



Lid hemispheric, obtuse. 

 — conic, apiculate. 



Nerve longly excurrent. 



reaching apex or nearly. 



Leaf point acuminate, serrulate. 



entire. 



rather obtuse. 



Glossy, nerved to apex. 

 Not glossy, nerve vanishing. 



proliferum. 



cyclophyllum. 



Duvalii. 

 argenteum. 



Neodamense. 



pallescens. 



toyquescens. 

 af/ine. 



capillare, 

 rub ens. 



bimum. 



pallens. 



Donii. 



turbinatnm. 

 ventricosum. 



provinciate. 



intermedium. 



bicolor. 



ccespiiicium. 



erythrocarpoH. 

 Mildei. 



alpinum. 

 Muehleiibeckii. 



Sect. I. SCLERODICTYON. Innovations filiform, julaceous ; leaves 

 appressed, concave, with the upper cells linear or vermicular. 



I. BRYUM FILIFORME Dichs. 



Dioicous; densely csespitose, glossy yellow-green, with long slender 

 innovations. Leaves densely imbricated appressed, broadly ovate, 

 obtuse cymbiform, entire, nerve vanishing below apex. Caps, pendulous, 

 oblong, pale brown, lid mammillate. (T. LXIX, C.) 



Syn. — Bryum pendulum, surculis teretibus viridibus Dill. Hist. muse. 394, t. 50, f. 63 D. 

 (1741), et Herb. p.p. 



Bryum filiforme Dicks. PI. crypt, fasc. IV, 16, excl. syn. (1801). Lindb. Not. ur Sail. Fn. 

 et Fl. fenn. xi, 43 (1870). ScHiMP. Synops. 2 ed. 465 (1876). Juratz. Laubm. oest.- 

 ung. 295 (1882). BouL. Muse, de Fr. i, 293 (1884). 



