UREDINE^E. 313 



walled bodies (teleutospores,* or pseudo-spores), which are 

 one, two, three, or many-celled (Fig. 210, ///., t). Like 

 the uredospores, the teleutospores are produced beneath the 



. 217. Pucclnla graminis. A, germinating teleutospore, t, with promycelium 

 forming the sporidia, sp. B, similar promycelium, with spondia. C, a sporidium, 

 1>, germinating on a piece of the under side of a leaf of the Barberry, the mycelium, 

 penetrating the epidermis. Z>, a (Terminating uredospore, u, fourteen hours after 

 being placed on the leaf of a grass, forming a branched mycelium. Highly magnified. 

 After Be" Bary. 



epidermis of their hosts, which in their growth they burst 

 through, and appear as small rounded clusters (sori), or more 



* From the Greek reAevrr), end ; so named because it is generally the 

 last reproductive body of these fungi produced in the season. 



