8 U.S. DEPT. OF AGRICULTURE MISC. PUB. 939 



Uncinula solids (DC.) Wint. (XX) 



On leaves. 

 3. Populus euphratica Olivier. Distribution: In Sind (Pak- 

 istan) along the Indus River, southern Punjab along the Sutlej 

 River, Beluchistan, Ladakh, Tibet, ascends from plains up to 

 13,500 ft. Westwards it extends to Afganistan, Turkistan, Persia, 

 Mesopotamia, and Palestine. 



Cytospora sp. (Probably C. chrysosperma) (X) 



On branches. 



Quercus 



Indian oaks occur in the Himalayas. Of a total of about 10 species 

 in the eastern Himalayas, the most important are Quercus lamellosa 

 Sm., Q. pachyphylla Kurz, Q. lineata Bl., and Q. spicata Sm. Of the 

 5 species in the western Himalayas, Q. incana- Roxb., Q. dilatata Lindl., 

 and Q. semecarpi folia Sm. are important. 



1. Quercus dealbata Hook. Fils. & Th. Distribution: Bhutan, 

 Khasi hills, Manipur. 



Bispora catenula (Lev.) Sacc. (X) 



On leaves. 



2. Quercus dilatata Lindl. Distribution: Western Himalaya 

 from Nepal westwards, chiefly at 7,000-9,000 ft. 



Fomes fomentarius (L. ex Fr.) Kickx (XX) 



Attacks living but more commonly dead stand- 

 ing and fallen logs. Causes white spongy 

 rot with black zone lines. 

 Fomes rimosus Berk. (X) 



A wound parasite ; attacks both living and dead 

 wood in which white stringy rot is produced. 

 Lenzites repanda (Mont.) Fr. (X) 



On stems ; rare. 

 Polyporus cuticularis (Bull.) Fr. (X) 



On dead wood. 

 Polyporus ob turns Berk. (XX) 



A wound parasite. Causes heart and sap rot 

 (white spongy rot) . 

 Pucciniopsis quercina Wakef. (X) 



On leaves. 



3. Quercus grifflthi Hook. f. Distribution: Bhutan, Assam 

 hills, hills of Burma east of Irrawaddy and Sittang. 



Crotnartium spp. (X) 



III on leaves. and I which occur on Pinus 

 insularis may be the alternate stages. 



4. Quercus incana Roxb. Distribution: Western Himalayas, 

 extending eastward to Nepal, chiefly in outer ranges at 4,000- 

 8,0000 ft. ^ 



Armillaria mellea (Vahl.) Quel. (X) 



Bulgaria polymorpha (Oed.) Wett. (X) 



Causes stem canker. 

 Diplodiella Crustacea Karst. (X) 



Causes dieback. 

 Fomes caryophylli (Rac.) Bres. (X) 



Causes heart rot. 





