27 



23- Fahronia flavinervis C. MiilL 



Guatemala: San Felipe, 3508, 3510a, Maxon and Hay, 1905. 



24. Fahronia polycarpa Hook. 



Panama: Between Salanca and Chiquin, O. F, Cook, 1905. 



25. Pilotrichum bipi?inatum (Schwgr.) Brid. 

 Guatemala: Alta Verapaz, 500, Cook and Griggs, 1902. 



26. Isodrepanium (Mitt.) E. G. Britton gen. nov. Fig. i. 



Fig. I. Isodrepanium lentuliim (Wils.) E. G. Britton. 



Lepidopilum Sect. Isodrepanium Mitt. Journ. Linn. Soc. 12: 369. 



1869. 



Among our Jamaica collections we have fine specimens of a 

 moss which we had difficulty in referring to any genus known 

 to us from the West Indies and this difficuUv still remains for 



