[Vol. 7 

 116 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Fructifications cespitose, stipitate, coriaceous, erect, white, 

 now between light buff and cartridge-buff throughout; stem 

 cylindric, branched above, the branches either slender, cylindric, 

 sterile bodies, or flattened, membranous pilei 1-2 mm. broad, 

 1-1 1 cm. long; hymenium on the lower side, even; a few de- 

 tached spores hyaline, even, 3|X3 m, none found on basidia. 



Fructifications about 3 cm. high; stems i mm. in diam.; 

 pileate branches 1-1 1 cm. long, 1-2 mm. broad. 



On roots of trees. Brazil. 



Berkeley described S. proliferum as somewhat creeping and 

 having the branches with tips attached again to the matrix by 

 means of large, orbicular, radiated and laciniated disks. These 

 characters should render this species easy for the collector to 

 recognize, but the herbarium specimen which I studied did not 

 show the above feature noticeably; it had somewhat the aspect 

 of S. Hartmanni but without the pectinate margins of the latter. 

 The hymenium of the specimen studied is in poor condition and 

 the spore characters, as given above, are uncertain. I studied 

 for N. Y. Bot. Gard. Herb., No. 508, a fungus collected at 

 Church Cove, Bermuda, which has the general aspect of S. 

 proliferum but with spores hyaline, even, 13-16X6-7 n, and is 

 probably a distinct species. Still it is well to keep S. proliferum 

 in mind in connection with species of the West Indies. 



Specimens examined: 

 Brazil: Rio Negro, Spruce, 17, type (in Curtis Herb.). 



29. S. caespitosum Burt, n. sp. Plate 4, fig. 25. 



Type: in Burt Herb. 



Fructifications coriaceous, thin, cespitose, effuso-reflexed, 

 with the resupinate portion small and bearing a cluster of broader 

 and longer, imbricate, pileate lobes which are somewhat fur- 

 furaceous or with minute tomentum on the upper side, glabrate 

 towards the margin, drying tawny and zonate with ochraceous, 

 tawny zones, the margin entire; hymenium even, whitish to 

 light buff; in structure 500-700 m thick,, with the intermediate 

 layer bordered above by a narrow, slightly colored zone and 

 composed of densely longitudinally arranged, hyaline, thick- 

 walled hyphae 3 J in diameter; hy menial layer up to 120 /* 

 thick, containing numerous slender, flexuous gloeocystidia 



