CALYPTOSPORA. 



373 



host-epidermis, to germinate on the epidermis of another cowberry- 

 shoot. The germ-tube either enters by a stoma, or forms an 

 adhesion-disc and sends out a process from this through the 

 epidermis. 



mMk 



Fifi. 204.— Diseased stem of I'lurinium in a 

 Liter stage than Fig. 203. In each epirteniial 

 cell («, (() .six mother-cells have been fonned, 

 eafh subdivided into four teleutosiiores. 

 Promycelia ('/) have developed from many of 

 the latter, and are in process of abjointing 

 off the sporidia from lateral sterigmata. 

 X 420. (After R. Hartig.) 



Fio. 205. — CulypiOKpora OoipiKAiano. 

 Aecidia on the under surface of needles 

 of Silver Fir. (v. Tubeuf del.) 



"m^^w^ 



Fici. 206. — Aecidium in a needle of 

 Silver Fir (much enUirged). b. Series 

 of aecidiospores and intermediate celLs. 

 c Germinating aecidiospores. (After 

 R. Hartig.) 



Tliis aecidium is also found on Ahys cvphalonicfi in U])per 

 Bavaria. 



Barclayella deformans Diet.' This lias been found in the Himalaya 

 reyidii on needles and young twigs of Picea Morinda {Smithiftna). Teleuto- 

 .•^poie-soii are develuped, accompanied by distortion of the host. Aecidia 

 and uredospores are unknown. 



' Barclay, " Ow a Urexlo of (he Himalaya Sjiruce-fr 

 Hedwifjia, 1891. 



Calcutta, 18S6; and 



