ORANGE FUNGUS ON ROSES. 83 
(References continued from page 82.) 
spots, at first yellowish, then black (indicated by dots), which are 
teleutosori ; g, yellowish spots on the upper surface of the leaflet, due to 
the mycelium of the fungus in the tissues, and corresponding to the 
uredosori on the under side, ‘Teleuto stage: h, leaflets with spots or 
sori of teleutospores, scattered or aggregated, orbicular, black, and 
minute. 
B, Adcidium spores, three as detached and one germinated : i, germ tube, X 
300. 
©, Uredospores, three detached and one germinated: 7, germ tube, X 300. 
D, Teleutospore consisting of several cells, with germination from a cell of 
the teleutospore: 4, pro-mycelium ; 7, sporidium, X 300. 
