1926J 



BURT THELEPHORACEAE OF NORTH AMERICA. XV 293 



12 X 7-8 \l, with short sterigmata; spores hyaline, even, flat- 

 tened or slightly concave on one side, 10-13 X 3J/-5 \l. 



Mycelial strands in the specimens received are 35 cm. long 

 and broken with the branch at the lower end, l /2~\ mm. in di- 

 ameter, not swollen into sclerotia; fructifications 9 cm. long, 4 

 cm. broad, 30-45 y. thick, more or less divided by the midrib and 

 principal veins. 



Parasitic on branches and leaves of the coffee plant. India, 

 and the Antilles and neighboring regions of South America. 



9am d n ^> 



Fig. 1. C. koleroga. a-aS, from sketches by Miss Wakefield of structure of 

 type in Kew Herbarium; magnification not stated but computed from spore di- 

 mensions at about 630. a, hypha; al, collapsed basidium; a2, spores; aS, young 

 basidia. b-b3, from Porto Rican specimen, X 870. b, hypha; bl, basidium; b, 

 spores; b3 f young basidia. 



Specimens examined : 



India: Mysore, preparation from the type (in Kew Herb.). 



Porto Rico: Mayaguez, F. L. Stevens, 9488 (in Stevens Herb., and 

 in Mo. Bot. Gard. Herb., 54510); H. E. Thomas (in Mo. Bot. 

 Gard. Herb., 55397). 



Colombia: H. T. Dawe, fragment (in Mo. Bot. Gard. Herb, from 

 specimen in Kew Herb.). 



Venezuela: A. Ernst, fragments showing mottled stage and con- 

 tinuous fructification respectively (in Mo. Bot. Gard. Herb, 

 from specimens in Kew Herb., determined by Ernst as Can- 

 delillo, Erysiphe scandens); H. Peltier, comm. by U. S. Dept. 

 Agr., Path. & Myc. Coll., 1713 (in Mo. Bot. Gard. Herb., 

 62168). 



101. 



1918. 



C. Stevensii Burt, Mo. Bot. Gard. Ann. 5: 125. textf. 2. 



