THUIDITJM. 193 



b. Tamariscina. 

 St. long, creeping, divided. Branches bi-tripinnate. 

 Caps, elongate-cylindric, lid shortly rostrate. 



451. T. tamariscinum, Hedw. St. elongate, arched, 

 procumbent, interruptedly tripinnate. Br. not rooting; 

 St. 1. deltoid-obcordate, acuminate, plicate ; br. 1. ovate, 

 obtuse, all papillose at back, margin recurved, crenu- 

 late, irregularly serrulate near, and nerved almost to, 

 apex. Caps, oblong-cylindrical, curved, cernuous, 

 purplish-red, lid large, conical, with a long, thick beak. 



Woods and banks. Frequent. November. 



452. T. recognitum, Hedw. {delicatulum, h., ed. 1). 

 St. elongate, erect or procumbent, bipinnate. Br. 

 drooping, often rooting at apex; st. 1. triangular; 

 br. 1. broadly cordate or ovate acuminate, concave, sub- 

 striate, densely papillose or muricate on back and keel, 

 finely serrulate, nerved nearly to apex, which is crowned 

 with acute papillae. Caps, subcylindrical, curvtd, 

 cernuous, pale brown, lid large, conical, not rostrate. 



Limestone and chalk rocks, &c. July, August. 



c. Abietina. 

 St. erect. Br. simply pinnate, lid convexo-conical. 



453. T. abietinum, Linn, St. 2 — 4 inches, rigid, 

 reddish, not always erect. Br. slightly drooping, 

 crowded. L. imbricate, erecto-patent, more or less 

 secund; st. 1. ovate or cordate acuminate, serrulate 

 near apex, deeply sulcate, one margin plane, the other 

 reflexed; br. 1. narrower, less plicate, rnargin irregu- 

 larly denticulate, all papillose on back and keel, nerved 

 nearly to apex, areolae dot-like. Paraphyllia filiform, 

 mixed with tomentum. Capsule oblong-cylindrical, 

 arcuate, cernuous, lid conical. Dioicous. 







