Tubcrcinia. 293 



Synonym. 

 Schrot., loc. cit., p. 283. 



Melanotceniufn endogenum. De Bary, Bot. Zeit., 1874, p. 108. 

 Trail., Scoti. Nat, 1884, p. 243. 



On Galium vei'iim. 



Biology. — The affected plants are deformed by the presence of the 

 parasite, being shorter and stiffer, seldom blossoming, and resembling 

 an Equisetum in habit (see p. 95). 



TUBERCINIA. Fries. 



Spore-balls consisting of numerous teleutospores, at length 

 pulverulent. Germination as in Entyloma. Conidia white, ovate, 

 produced from mycelium on the living host-plant. 



Tubercinia trientalis. B. and Br. 



Spore-masses black, in bullate swellings on the leaves and stems. 

 Spore-balls irregularly rounded or elongated, containing a 

 large number of teleutospores (50 to 100), from 20-ioo/x in 

 diameter. Teleutospores rounded or polygonal, dark brown, 

 smooth, firmly connected, 15-30 X io-20/x. Conidia in 

 white, shining, extended patches on the under side of the 

 leaves, ovate or pyriform, attenuated above, hyaline. 



Synonyms. 



Schrot., loc. cit., p. 285. 



Ascomyces trientalis. Berk., " Outl.," p. 376. Cooke, " Hdbk.," 

 p. 737 (conidial stage). 



Tubercinia trientalis, B. and Br., No. 488. Cooke, " Hdbk.," 

 p. 516. 



Sorosporitim trientalis, Woron. Cooke, " Micro. Fungi.," 4th 

 edit., p. 231. 



Sorosporium paridis (Ung.). Winter, loc cit., p. 102. 



Exsiccati. 

 Vize, "Micro. Fungi," 137. 



On Trientalis europtsa. 

 June to October. 



