FUNGI. 23 



UROMYCES EUPHORBIA, C. & P. Rep. N. Y. Mus. xxx. 90. 

 At Durango, on Euphorbia, n. 1042. 



UROMYCES GLYCYRRHIZ.E (Rabh.) Magn. Ber. Deutsch. 

 Gesell. 1890, p. 383. Durango, July 18, on Glycyrrhiza, 

 lepidota, n. 1063. 



TREMELLACE.E. 



GUEPINIA ALPINA n. sp. Cup-shaped, short-stipitate ; 

 disc orange yellow, about 6 mm (when dry), margin slightly 

 involute ; stipe 3mm, like the outside of the cup pruinose 

 from thick standing, vessiculately swollen hairs, that are 

 about 50x1 6/u,, simple, or sometimes once septate and con- 

 stricted, minutely roughened ; hymenium of closely com- 

 pacted cylindrical basidia filled with yellow granules, 

 seemingly simple, but forking at base, about 40x3J/*; 

 spores oblong, continuous, about 12x4/w. (immature). On 

 decayed wood of Picea Engelmanni, in a snow bank, Slide 

 Rock Canon, 11,000 feet, July 2, n. 1109. 



GUEPINIA MONTICOLA n. sp. Cup-shaped, ferrugineus, 

 short-stipitate, thin, expanded when wet, involute when 

 dry, 3-8 mm, exterior sulcate-ribbed, surface scarcely dis- 

 tinguishable to the naked eye from the hymenium, clothed 

 with vessicular hairs 50/x long, with base globose, 20-25//, 

 wide, abruptly contracted above into a long beak ; hyme- 

 nium of closely packed, cylindrical, yellowish basidia 

 40-50x3 /z, forking near the upper end ; spores cylindrical, 

 slightly curved, continuous (?), guttulate, 12-16x4/u,, on 

 slender sterigmata about 10/x. long. On sound, decorticated 

 wood of Picea Engelmanni, Slide Rock Canon, 10,500 feet, 

 June 30, n. 241. Quite common. 



BOLETACE.E. 

 BOLETUS BAKERI n. sp. Pileus 10-20cm, legularly con- 



