Fungi Eur. 4013; Seym. & Earle, Econ. Fungi 230a, b, 231a, b, c, 

 232a, b, 233a, b; Kellerm. Ohio Fungi 44; Kellerm. & Sw. Kans. 

 Fungi 24Q6; Rav. Fungi Am. 481; Shear, N. Y. Fungi 79, 123. 



35. Gymnosporangium hyalinum (Cooke) 

 Roestelia hyalina Cooke, Bull. Soc. Bot. France 24: 314. 1877. 

 Aecidium hyalinum Farlow, Bibl. Indes 1: 55. 



1905. 





Aecia hypophyllous, 1 

 small gall-like pyriform protuDerances 01 a 

 reddish brown color which are usually consoli- 

 dated at their bases, cylindric, 2-5 mm. high 

 by 0.2-0.3 mm - ln diameter; peridium tardily 

 rupturing with a few irregular slits along the 

 sides, somewhat twisted but not spreading or 

 recurved; peridial cells usually seen only in 

 face view, lanceolate, 19-29 X87-105M, usually 

 obtuse below and considerably narrowed above, 

 walls smooth on all surfaces, inner and side 

 walls 3-4^ thick, outer wall I2-i6/x; aecio- 

 spores globoid, 19-26^1 in diameter, wall light 

 cinnamon-brown, 2-3^ thick, very moderately 



Telia unknown. 



For the aecia: Crataegus clara Beadle, C. dispar 

 C. egens Beadle, C. egregia Beadle, C. Michauxi 

 C. munda Beadle, C. pexa Beadle, C. quasita 

 C. viridis L., C. visenda Beadle. 

 Type locality: South Carolina on Crataegus sp. 

 Distribution: Atlantic coast from North Carolina S' 

 northern Florida. 



: Bot. Gaz. 49: pi. 22, f. 11. 

 n: Rav. Fungi Am. 37. 





36 



Gymnosporangium Nels 



oni Arth. 



Bull. 



Torrey Club 







665 



1 901. 







Ro 



stelia Nelsoni Arth 



Bull. Torrey Club 28: 665 



1 901. 



Ae 



idium Nelsoni Farl 



Bibl. In 



Jexl: 68. 



1905. 





Gy 



nno sporangium dur 



urn Kern 



Bull. Torr 



ey Club 34: 460. 19 



Aecia hypophyllou 



and fruit 



icolous, usually in 



small groups 





\. across, cylindric 



, 2-4 mrj 



a. high by 



0.2-0. 



3 mm. in dia 



