NO. 9 HEDRICK: some lichens from AMERICAN TROPICS 187 



LITERATURE CITED 



Dodge, C, W. 



1933. The Foliose and Fruticose Lichens of Costa Rica. I. Annals Missouri 

 Botanical Garden, 20: 373-467. 



1936. Lichens of the G. Allan Hancock Expedition of 1934, collected by Wm. 

 R. Taylor. Allan Hancock Pacific Exped., 3(3): 33-46. 



DURAND, Th. et PiTTIER, H. 



1891-96. Primitiae Florae Costaricensis Bruxeles, Jardin Botanique de L'etat. 

 Lichens by J. Muller, 1: 49-95, 3: 122-173. 



LiNDER, David H. 



1934. The Terapleton Crocker Expedition of the California Academy of 

 Sciences, 1932. Proc. Calif. Acad. Science, 21: 211-224. 



Robinson, B. L. 



1902. Flora of the Galapagos Islands, Lichens by W. G. Farlovv. Proc. Am. 

 Acad. Science, 38: 83-89. 



Stewart, Alban 



1912. Notes on the Lichens of the Galapagos Islands. Proc. Calif. Acad. 

 Science, 1 : 432-446. 



Svenson, H. K. 



1935. Plants of the Astor Expedition, 1930. Lichens by C. W. Dodge. Am. 

 Jour. Bot., 22: 221. 



