TETEAPHIS — TETEODONTIUM. 169 



4. Position uncertain. 



376. B. catenulatum, Schp. Tufts taller, soft, slightly 

 radiculose, incoherent. L. patent, curved, incurved 

 imbricate when dry, giving the appearance of a thin 

 chain {eatenidata) , ovate-lanceolate, decurrent, shortly 

 acuminate, apex obsoletely serrate, somewhat concave, 

 margin plane, scarcely bordered, nerve when young 

 greenish-yellow, brown when old, vanishing below apex, 

 cells subrhomboid, hexagonal, somewhat lax, chloro- 

 phyllose when young, empty when old. Pr, unknown. 



Ben Lomond (Stirton). 



Tribe xviii. Georgiace*. 

 74. TETRAPHIS, Hedw. 



377. T. pellucida, Linn. {Georgia pellucida, Br. M. 

 Fl.). St. i — 1 inch. L. lower ovate-acuminate, nerved, 

 reddish, upper larger, ovate-lanceolate, entire, nerve 

 ceasing below apex, margins plane. St. bearing 

 gemmiferous cups, 1. of which are obcordate. Caps, 

 elliptical, with a red border at mouth, on a long, reddish 

 seta. Spring. 



Decaying stumps and roots of trees. Common. 

 Not often found in fruit. 



75. TETRODONTIUM, Sehw. 



378. T. Brownii, Dicks. {Georgia Browmi,Br. M. Fl.). 

 St. almost none, with long linear, radical leaves or 

 ramuli; per. 1. ovate-acuminate, entire, shortly and 

 faintly nerved. Caps, oval-oblong, lid with an acute, 

 oblong beak. 



Sandstone rocks. Spring. 



