1924] 



BURT THE THELEPHORACEAE OF NORTH AMERICA. XIII 31 



Idaho: Priest River, /. R. Weir, 581 (in Mo. Bot. Gard. Herb., 



63172). 

 Washington: Hoquiom, C. J. Humphrey, 6411. 

 California: A. J. McClatchie, type of Asterostroma pallidum (in 



Kew Herb., and Mo. Bot. Gard. Herb., 4792). 

 Mexico: Xuchiles, near Cordoba, W. A. & E. L. Murrill, 1206, 



1212, comm. by N. Y. Bot. Gard. Herb, (in Mo. Bot. Gard. 



Herb., 54593 and 54594 respectively); near Guernavaca, 



W. A. & E. L. Murrill, 516, comm. by N. Y. Bot. Gard. Herb. 



(in Mo. Bot. Gard. Herb., 54517); Jalapa, W. A. & E. L. 



Murrill, 800, comm. by N. Y. Bot. Gard. Herb, (in Mo. Bot. 



Gard. Herb., 54444). 

 Porto Rico: Central Alianga, J. A. Stevenson, 6071 (in Mo. Bot. 



Gard. Herb., 54684) ; Rio Piedras, comm. by Mrs. F. W. Patter- 

 son. 

 Japan: Awaji, Mt. Mikuma, A. Yasuda, 38 (in Mo. Bot. Gard. 



Herb., 56170). 



2. A. muscicolum (Berk. & Curtis) Massee, Linn. Soc. Bot. 

 Jour. 25: 155. 1889. 



Hymenochaete muscicola Berk. & Curtis, Linn. Soc. Bot. Jour. 

 10: 334. 1868; Sacc. Syll. Fung. 6: 602. 1888. 



Type: in Kew Herb, and Curtis Herb. 



Fructification broadly effused, thin, spongy, dry, wood-brown 

 of Ridgway, the margin narrow, whitish; hymenium concolorous 

 with the subiculum or but slightly paler, even; in structure in 

 section 300-400 y. thick, composed of thin- walled, loosely arranged 

 hyaline hyphae and of very numerous, colored, stellate organs 

 with 3-9 rays, the rays about 30-45 X 3-43^ (x, sometimes 

 unbranched but many branched, becoming smaller and more 

 branched towards, and in, the hymenium and bearing secondary 

 whorls of small branches or with 2 stellate organs connected by 

 a short, thick axis; cystidia few, not incrusted, 6 \i in diameter, 

 protruding up to 27 y., tapering to a sharp point; spores hyaline, 

 spherical, echinulate, the body 5-7 [l in diameter, the spines 

 numerous, close together, very distinct. 



Fructifications up to 7 X 4 cm. when well developed. 



On dead branches of trees covered with moss, on cocoanut 



