260 



Mycologia 



Hendersonia Petalostemonis sp. nov. 



Pycnidia immersed, then erumpent, scattered, globose or glo- 

 bose-depressed, with a flattened base and minute, cylindric, slightly 

 projecting ostiola, black, 250 fi in diam. ; spores abundant, ob- 

 long-ellipsoid, rounded at the ends, somewhat variable in form, 

 one end often larger, 3-septate, slightly constricted, brown, 10- 

 13X7-8/*. 



On old stems of Petalostenwm oligophyllus (Torr.) Rydb. 

 (14719 p.p.)- 



Hendersonia subcultriformis sp. nov. 



Pycnidia sparse, globose, at times with mycelial hairs surround- 

 ing the basal portion, centrally ostiolate or papillate, black, 250- 

 300 fi in diam. ; basidia short or inconspicuous ; spores abundant, 

 fusoid or subfalcate, rounded at one end, the other end subacumi- 

 nate, sharply bent, coulter-shaped or subrostrate, 5-7-septate, 

 each cell uniguttulate, hyaline becoming brown with age, 27- 

 33X6-7/X. 



On old leaves of Agropyron Bakeri E. Nels. (14330 p.p.). 



Differs from Hendersonia crastophila Sacc. in its rostrate, multi- 

 guttulate spores, and from Hendersonia Agropyri Rostr. in dif- 

 ferently shaped spores with more numerous septa. 



Hendersonia foliorum Fckl. 

 On old leaves of Primula angustifolia Torr. (14349 a). 



Cryptostictis utensis sp. nov. 



Pycnidia immersed, then erumpent, scattered, globose or oblong- 

 elliptic, black, 250-500 ix in diam.; spores oblong-fusoid, 14- 

 17 X 3-4/^, 3-septate, 4-locular, the two middle cells larger, sub- 

 globose and brown, the end cells hyaline, acuminate and armed 

 with a hyaline, straight or curved cilium from 10-20 li in length; 

 basidia long, club-shaped, and hyaline, enlarged at the apices. 



On old stems of Anogra coronopifolia (T. & G.) Britton 

 {14766). Name for Ute Park, the place of collection. 



Phaeodictyae 

 Camarosporium Amorphae Sacc. 

 On old stems of Amorpha eanescens Pursh (14615). 



