MAXON—STUDIES OF TROPICAL AMERICAN FERNS. 425 
locality, by Messrs. Barnes, Chamberlain, and Land, and reported on by them.’ A 
part of this material has been presented to the U. 8. National Museum. An additional 
coliection also may be cited: 
GuatemaLa: Near Coban, Alta Verapaz, alt. 1,300 meters, on tree trunks, 
August, 1885, von Tiirckheim (J. D. Smith, no. 551); distributed as L. dichoto- 
mum Jacq., ‘form (I. mandioccanum, Raddi).”’ 
Lycopodium watsonianum Maxon, Smiths. Misc. Coll. 56%: 3. pl. 3. 1912. 
Lycopodium watsonianum, described from a single specimen collected by the writer 
in humid forest along the upper Caldera River, Chiriqui, Panama (Mazon 5712), may 
now be reported from Costa Rica, upon the basis of a specimen collected near the 
Rancho Flores, altitude 2,043 meters, by A. Tonduz (no. 2081). 
Lycopodium cuneifolium Hieron. Bot. Jahrb. Engler 34: 572. 1905. 
Besides the original Costa Rican specimens (Hoffmann 59) and the Colombian plant 
( Moritz 371) cited by Hieronymus the following may be mentioned: 
Costa Rica: Laguna de Reventado, Volcano Irazu, alt. 2,800 meters, Pittier 
14136. Forests of Achiote, Volcano Poas, alt. 2,200 meters, Tonduz 10740. 
Panama: Below summit of Cerro de la Horqueta, Chiriqui, alt. about 2,150 
meters, Mazon 5475. 
Lycopodium subulatum Desv. in Lam. Encycl. Bot. Suppl. 3: 544. 1813. 
Lycopodium biforme Hook. Icon. Pl. 8: 228. 1840. 
This species, which is undoubtedly a variable one, is not reported from North 
America by Underwood and Lloyd. Identifying it on the basis of Hooker’s plate, 
the following specimens in the National Herbarium may be cited: 
Costa Rica: Forests of Volcan de Barba, alt. 2,500 to 2,700 meters, Tonduz 1958. 
Panama: Humid forest near Cerro de la Horqueta, Chiriqui, alt. 2,200 meters, 
Mazon 5482. 
1 Bot. Gaz. 44: 57-63. pl. 5, 6. 1907. 
