BRYEI. 189 



Dioicous; forming bright green or yellowish irregular 

 patches. Stem 1-3 inches high; fruitstalk 1 inch high, 

 arched; lid convex, with a small apiculus. 



55. BRYUM, Dill. 

 Sporangium symmetrical, confluent with the narrow apo- 

 physis ; peristome double ; outer of sixteen lanceolate teeth, 

 inner a plicate membrane, divided halfway down into sixteen 

 keeled processes, alternating with the outer teeth and mostly 

 intermediate cilia, with prominent appendages at the inter- 

 nodes ; innovations from the floral apex ; paraphyses of male 

 flowers filiform. 



Sect. I. Cilia and teeth of inner peristome adherent or free ; cilia 

 imperfect, or if perfect without appendages. 



1. B. uliginosum, Br. §■ Schimp. ; monoicous; stem densely 

 radiculose, with a few short branches above; leaves erect 

 below, spreading above, ovali-lanceolate, with a narrow dark 

 border ; margin reflected below, denticulate at apex ; nerve 

 excurrent; sporangium long-necked, pendulous, elongato-py- 

 riform, slightly curved and irregular ; mouth small, oblique. 

 — Hook, fy Wils. t. xlviii. 



In wet places near rills. Bearing fruit towards the end of 

 summer. 



Forming green tufts. Nerve acquiring a red tint ; fruitstalk 

 long, arched above ; sporangium rather gibbous behind, not 

 contracted beneath the orifice when dry ; cilia wanting or ru- 

 dimentary; lid minute. 



This species approaches in some of its characters to Zieria, 

 but the reticulation of the leaves is very different. 



2. B. pendulum, Hornsch. ; synoicous, densely tufted, ra- 

 diculose ; stem branched ; leaves crowded, erecto-patent, ovate, 

 acuminate, concave ; nerve excurrent ; margin reflected, more 



