500 



PROCEEDINGS OF THE ACADEMY OF 



[May, 



Name of Fun- 

 gus. 



Gymnospo- 

 rangium eon- 

 icum D. C. 



( O. juniperin- 

 urn Winter.) 



Oymnospo- 

 rangium fus- 

 cum D. C. 



(G . s abince 

 Winter.) 



Gymno spo 

 rangium El 

 Usii Berk. 



Gymno spo- 

 rangium clav- 

 ipes Cooke 

 and Peck. 



Teleutospores 



Name of Ro3s 

 telia. 



15-18/i diam., 

 48-58 /i long, 

 two-celled, 

 constricted at 

 septum. 



Rmstelia c o r 

 nuta (Gmel) 

 Fr. 



Inter mediate Sorbus 



Hosts 



>G e o g r a phic 

 Distribution 



paria, 

 Sorbus aria, 

 C'ydonia vul 



garis, 

 AmelancMer 



canadensis, 

 Pirus malus, 



etc. 



Massacliu-Massacbu 



15-22 /i diam., 

 38-53// long, 

 two-cell ed, 

 constricted at 

 septum. 



Bees telia c> 

 cellata{Ja.cq.) 

 Rebeut. 



Gratosgus oxy- 

 acantha, 

 Pirus commu- 

 nis. 



setts. New 

 York, South 

 Carolina, 

 Northern 

 and Central 

 Europe. 



setts, Mary 

 land, Europe, 



10-16// diam., 

 75-190// long, 

 three to four- 

 celled, some- 

 times one 

 to five-celled. 



32-38// diam., 

 40-60// long, 

 two-celled, 

 constricted at 

 septum. 



Rcestelia trans- Bees telia au- 

 formans Ell. rantiaca Pk. 



Pirus malus, 

 Pirus arhuti- 

 folia. 



Massachu- 

 setts, New 

 Jersey. 



Pirus malus, 

 Pirus arbuti- 



folia, 

 Am el an elder 



canadensis. 



E. Massachu- 

 setts, New 

 York, New 

 Jersey, Penn- 

 sy 1 va nia, 

 North and 

 South Caro- 

 lina. 



