CAMPTOTHECIUM — PTYCHODIUM BEACH YTHECIXIM. 197 



Walls, rocks, and trunks of trees. 



Fam. 3. Camptothecise. 

 118. CAMPTOTHECIUM, Schp. 



464. C. luteseens, Ends. St. about 3 inches, irregu- 

 larly branched, sometimes pinnate. L. narrowly elon- 

 gate-lanceolate, tapering to 'a long point, entire, 

 minutely serrulate at apex, nerved nearly to apex. 

 Caps, oblong, arcuate, on a rough seta, lid conical, 

 beaked. Monoicous. 



Rocks and woods (limestone and sandstone). April. 



465. C. nitens, Schreh. St. 2 — 4 inches, erect, almost 

 pinnate, radiculose. Branches short, spreading. L. 

 erecto-patent, lanceolate, subulate, acuminate, not 

 nerved to apex, entire, margin recurved. Caps, arcuate, 

 oblong, on a long, smooth seta, lid conical, ext. per. 

 yellow. Dioicous. 



Bogs. April — June. 



England, Scotland. 



Fam. 4. Brachytheciae. 

 119. PTYCHODIUM, Schp. 



466. P. plicatum, Schl. St. creeping, tomentous- 

 Branches ascending, incurved. L. erecto-patent or 

 Bubsecund, ovate-lanceolate, long pointed, margin re- 

 curved, apex sometimes obsoletely denticulate ; per. 1. 

 twice as large. Caps, ovate-oblong, small, on a smooth, 

 reddish seta, lid convexo-conical, apiculate. Dioicous. 



Alpine rocks. Scotland. Winter. 



120. BRACHYTHECIUM, Schp. 

 a. Seta smooth. 



467. B. salebrosum, Hoffm. St. radiculose, 1—2 in., 



