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WILLIAMS: MOSSES FROM TROPICAL AMERICA 571 
BRYUM sp. Rise 
Cuesta de Yocota, 1500-1900 meters, December, 1905 (778). 
A small amount of some Ludryuim, scarcely sufficient for deter- 
mination, : 
RHIZOGONIUM SPINIFORME (EL). Bruch. 
Around San Andres de la Sierra, 1100-1300 meters, June, 1906 
(2068). 
POLYTRICHADELPHUS cCILIATUS (Hook, f. & Wils.) Mitt. 
Las Escaleretas, Moras Valley, 2500-3000 meters, February, 
1906 (7377). 7 
PoGoNATUM TORTILE (Sw.) Beauv. 
Around San Andrés de la Sierra, 1100-1300 meters, June, 
1906 (2073). 
Hookertopsis GRAcitis (Mitt.) Jaeg. 
Around San Andrés de la Sierra, 1100-1300 meters, June, 
1906 (2067). The roughness of the seta of this species is often 
so slight just under the capsule as to be scarcely noticeable ; the 
calyptra is not very rough above, and the double-pointed teeth of 
the leaf-margin are usually quite small. 
_ ?SEMATOPHYLLUM sSUBSIMPLEX (Hedw.) Mitt. 
; Around San Andrés de la Sierra, 1100-1300 meters, Janes 
1906 (2066). But a very small amount of this specimen seen and 
Possibly to be referred elsewhere. 
MIcROTHAMNIUM REPTANS (Sw.) Mitt. 
Around San Andrés de la Sierra, 1100-1300 meters, pees 
1906 (207 7). 
Micrornamnium Torckuert C. M. 
Paramo de Buena Vista, 3000-3600 meters,  sesesm - 
(z 190), ; 
Rayncnosrecium concHopHyLium (Tayl.) Jaeg. 
Headwaters of Rio Lopez, Rio Palo basin, 2500-3000 m 
January, 1906 (1087). 
eters, 
GUATEMALAN MOSSES COLLECTED BY H. PITTIER 
TIMMELLA SUBANOMALA (Besch.) Broth. 
Volcan de Agua, 1800-3400 meters, March, 1905 (9): 
