240 



Mycologia 



22. Gymno Sporangium exterum Arth. & Kern, — Teliospores on 

 Juniperus virginiana L., sown on Porteranthus stipvilatus (Muhl.) 

 Britt. 



23. Calyptospora columnaris (A. & S.) Kiihn. — Teliospores on 

 Vaccinium pennsylvanicum Lam., sown on Abies Fraseri Pursh. 



B. Species Reported Now for the First Time. 



1. Puccinia Ceanothi (Ellis & Kellerm.) Arth. — Teliospores on 

 Andropogon Hallii Hack., sown on Ceanothus americanus L. 



2. Gymnosporangiiim exigiium Kern, — Teliospores on Junip- 

 erus virginiana L., sown on Crataegus Pringlei Sarg. 



3. Gymnosporangiiim corniculans Kern. — Teliospores on Junip- 

 erus horizontalis Moench, sown on Amelanchier erecta Blanch., 

 and A. canadensis (L.) Medic. 



4. Gymnosporangium trachysorum Kern. — Teliospores on 

 Juniperus virginiana L., sown on Crataegus punctata Jacq., C. 

 coccinea L., and C. cerronis A. Nels. 



Purdue University, 

 Lafayette, Indiana. 



