27 



23. Fabronia flavinervis C. Mull. 



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



24. Fabronia polycarpa Hook. 



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



25. Pilotrichum bipirmatum (Schwgr.) Brid. 

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



26. Isodrepanium (Mitt.) E. G. Britton gen. nov. Fig. 1. 



Fig. 1. Isodrepanium lentulum (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 difficulty still remains for 



