68 



NEW YORK STATE MUSEUM 



Spores are the same shape and size, but the perithecia seem less 

 mature. 



Asterina Killipii Dearness & House, sp. nov. 



Perithecia hypophyllous, shield dimidiate, radiate-fimbriate edged, 

 reaching 360 /x in diameter, in a reticulate, brown mycelium of anas- 

 tomosing hyphae 5-6 /x thick, many of the strands opposite the 

 middle of the mesh bearing a globular enlargement 20-25 fx thick. 

 Asci eight-spored, flabby, various in shape and size, subovate to 

 irregularly cylindric, 40-90 x 12-20 fi. Sporidia hyaline, irregu- 

 larly oblong, 12-16 X 5-7 jx. 



On languishing or dead leaves of E r y t h r o d e s Kil- 

 lipii Ames (Orchidaceae). Camp i, Holcomb's trail, El Boquete, 

 Panama, 1650 meters altitude. E. P. Killip, February 15. 1918. 

 Many of the perithecia of the type material will be found in imper- 

 fect condition for study. 



Micropeltis Viburni Dearness & House, sp. nov. 



Perithecia membranous, scattered, sometimes very thickly so, 

 hypophyllous, circular, dimidate, brown, opening lacerately or stel- 

 lately in 3 to 6 triangular sections but remaining incurved, 85-175 /n 

 in diameter. Asci cylindric to subclavate, sessile, 45-60 x 8-10 /x, 

 paraphyses linear, not abundant, about the length of the asci. 

 Sporidia hyaline, mostly biseriate, subacute at both ends, three- 

 septate, 15-18 X 4 /x. 



On dead leaves of Viburnum c a s s i n o i d e s L., hanging 

 on the living twigs, Newcomb, Essex county. H. D. House, June 



23. 1923- 



Attention was attracted to several shrubs of the Viburnum 

 growing in a swamp, the ends of all of the new shoots covered with 

 leaves of the present season's growth which had apparently died 

 and turned brown or almost black, just before reaching maturity. 

 Their general appearance was similar to what might be expected as 

 the result of a late frost, but there was no indication in the sur- 

 rounding vegetation, which included some ferns which are very 

 sensitive to light frost, that such a frost had occurred, li such a 

 frost had occurred one would scarcely expect to find so soon after- 

 ward a secondary or saprophytic fungus coming to maturity on the 

 leaves (June 23d). The dead leaves bear on the upper side numer- 

 ous minute, sterile pycnidia, which if related to the Micropeltis, that 

 relationship could not be established. It seems likely that the death 

 of the leaves was due to the mycelium represented by these minute 

 sterile pycnidia or to the Micropeltis described above. 



