1918] 



BURT THELEPHORACEAE OF NORTH AMERICA. X 357 



Louisiana: Abita Springs, A. B. Langlois, 2647 to Burt; Boga- 

 lusa, C. J. Humphrey, 5491; St. Martinville, A. B. Langlois, 

 1621, ch, cd, D, and a specimen from Lloyd Herb., 2422 in 

 part; definite locality not stated, A. B. Langlois, 136 (in U. 

 S. Dept. Agr. Herb., in Farlow Herb., and in Mo. Bot. Gard. 

 Herb., 44047). 



Mexico: Botteri, 31 (in Curtis Herb., under the name Hymen- 



ochaete rubiginosa). 



Cuba: Managua, Earle d Murrill, 6, 31, comm. by N. Y. Bot. 

 Gard. Herb. 



Jamaica: Mandeville, A. E. Wight, comm. by W. G. Farlow. 



29. H. multisetae Burt, n. sp. 



Type : in Mo. Bot. Gard. Herb, and Humphrey Herb. 



Fructifications resupinate, effused, adnate, thin, cinnamon- 

 brown to Prout 's brown, finally somewhat cracked, the margin 

 determinate; in structure 35-100 /n thick, 

 lacking an intermediate layer, with the 

 setigerous layer dense and opaque; setae pig. 25 



very abundant and crowded, small, 27- h. multisetae. 



45x4^-5 fi, emerging up to 30 /z, starting ^^*^«° >< ^^- ^'^^"^ 

 from all parts of the setigerous layer, 

 tapering upward; spores hyaline, even, 3-4x1-2 /x, but few 

 found. 



Fructifications 2-10x1-2 cm., sometimes encircling small 

 limbs. 



On fallen hardwood limbs in wet wooded region. Cuba and 

 Jamaica. December and January. 



H. multisetae belongs in the same group of species as H. 

 opaca, which it resembles in aspect. It may be distinguished 

 from the latter by its thinner fructifications and smaller setae. 



Specimens examined: 

 Cuba: Ceballos, C. J. Humphrey, 2808, type (in Mo. Bot. Gard. 



Herb., 1786). 

 Jamaica: Chester Vale, W. A. S Edna L. Murrill, 325, 346, 



comm. by N. Y. Bot. Gard. Herb. ; Moneague, W. A. Murrill, 



1186, comm. by N. Y. Bot. Gard. Herb.; Troy and Tyre, 



