[Vol. 5 

 324 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



ing buckthorn-brown ; in structure 200-300 n thick, with a 

 broad, compact intermediate layer of longitudinally arranged, 

 colored hyphae 2-2| fj. in diameter, which is connected with 

 the velvety covering of the upper surface of the pileus by a 

 narrow, dark zone; setae very few, tapering from the base, 

 30X5-6 ju, emerging 10-20 /x above the hymenium; spores 

 hyaline, even, 4-4^x2^ /u. 



Fructifications 1^-2| cm. long, 2-4 cm. broad; resupinate 

 portion of reflexed specimens may be up to 3 x 2 cm. in speci- 

 mens seen so far. 



On rotting trunks of frondose species. Porto Rico to Vene- 

 zuela and Guiana. May. Probably common. 



H. luteo-hadia is a beautiful tropical species which is well 

 characterized by its name, for the contrast in color between 

 the buckthorn-brown or tawny olive hymenium and the Argus- 

 brown (chestnut color) upper surface of the pileus is a con- 

 stant and distinguishing character; setae are as few and far 

 apart in the hymenium as they are in H. Curtisii; the absence 

 of a dark subhymenial zone bordering the hyphal layer is an 

 additional character which separates H. luteo-hadia from 

 many other species of Hymenochaete. 



Specimens examined: 

 Porto Rico : Ponce, F. S. Earle, 114, 159, comm. by N. Y. Bot. 



Gard. Herb. 

 Trinidad : Sangre Grande, R. Thaxter, comm. by W. G. Far- 

 low, 29. 



Venezuela: Fendler 174 (in Curtis Herb.) ; Margarita, A. F. 



Blakeslee, two collections, comm. by W. G. Farlow. 

 British Guiana : Sir R. Schomhurgh, comm. by G. Bresadola ; 



also specimen under name Thelephora laeta, ex. Hooker 



Herb, (in Herb. Berkeley in Kew Herb.). 



Dutch Guiana: Surinam, Weigelt, distributed under the name 

 Thelephora badia Hook. ?, the type distribution of both The- 

 lephora luteo-hadia and Thelephora Kunzei (in Mo. Bot. 

 Gard. Herb., 5250) ; specimen from Herb. Schweinitz under 

 the herbarium name Thelephora pulchra, type of both Ster- 

 eum laetum and Stereum pulchrum (in Curtis Herb.). 



