GYMNOSPORANGIUM JUNIPERI-VIRGINJAJ^AE 517 



Fig. 210.— Gymnosporangium Juniperi-virginianae on Juniperus virginiana. A 

 longitudinal section through a partly gelatinous" teleutospore-sorus, after the 

 first extrusion of horns in April. The teleutosporic horn has broken through 

 the cortex of the Cedar apple. Drawn by H. S. Reed and C. H. Crabill. From 

 Bull. No. 9 of the Virginia Agricultural Experiment Station. 



