1926J 



BURT — THELEPHORACEAE OF NORTH AMERICA. XV 293 



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

 tened or slightly concave on one side, 10-13 X 33^-5 \i. 



Mycelial strands in the specimens received are 35 cm. long 

 and broken with the branch at the lower end, ^-1 mm. in di- 

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

 cm. broad, 30-45 ix 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. 



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. fc-fc5, from Porto Rjcan specimen, X 870. b, hypha; hi, basidium; h2, 

 spores; hS, 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 (m 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. 



1018. 



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



