310 USTILAGINEAE. 



perennates in the rhizomes. The spores, according to Brefeld, 

 germinate in water after a resting period of two years ; in 

 two years more they lose their capacity for germination. 



T. secalis (Cord.) ^ is epidemic and destructive in ovaries of 

 Secalc a real r. 



T. decipiens Pers. (Britain). In fruits of Agrostis vulgaris 

 and A. stolonifera. Schroeter says the plants remain stunted. 

 Brefeld states that spores germinate in water after a resting- 

 period of three years, and lose their capacity for germination 

 in the following year. 



T. lolii Auersw. frequents the ovaries of cultivated Lolinm 

 2irrcnu(\ and of L. temvlentvvi (darnel-grass). 



T. hordei Korii. dccurs in grain of ffordeuiii fragile and H. mariauni '\\\ 

 Persia. 



T. separata (Kunze). In grain of Apera Spica-venti. 



T. calospora Pass. In grain of Andropogon agrestis in Italy. 



T. Rauwenhoffii Fisch. In grain of Holciis lanatus in Belgium. 



T. olida (Piess.) forms stripes on the leaves of Br(tchypodmm sylvaticum 

 auil B. piiiiiKtum. 



T. sesleriae Juel forms similar stripes on leaves of Sesleria coendea. 



T. striiformis (Westend.) occurs on leaves, leaf-sheaths, and stalks of 

 Alopecurvs, Ant/to.vanthum, Milium, Holcus, Arrhenatherum, Briza, Poa, 

 Dactijlis, Festuea, Bromus, Agrostis, Loliujn, etc. (Britain and U.S. America). 



T. calamagrostidis Fuck. On leaves of Calamagrostis epigaea,C. Halleriana 

 and Trltirii'iH repens. 



T. epiphylla Berk, et Br. Stink-brand of Australian maize.' 



T. Fischeri Karst. In fruits of Carex canescens in Finland. 



T. arctica Rostr. On leaves and stalks of Carex /estiva in Finmark. 



T. thlaspeos Beck. In fruit of Thlaspi alpestre. 



T. zonata Bref. On Sporoholas ligidaris from Quito. 



T. (0 glomerulata Coco, et Mor. occurs in Italy on leaves of Cynodoa 

 iJiicttilon, Pbintago lanceolata, and Medicago. 



T. sphagni Nawasehin- was once regarded as a second form of s]>ore of 

 Sphagninn. 



T. oryzae Pat. The fungus to which this name was given forms 

 sclerotia in the grain of Oryza sativa (Eice) in Japan. 



Brefeld'^ found that dark spores are given oif from the surface of the 

 sclerotia. These spores, on germination in nutritive solution, produced a 

 se))tate mycelium which, in dilute solutions, gave off pear-shajsed colour- 



' Kiihn, Bofaii. Zeihimj, 1876, p. 470. Cohn, Jahrburh d. Schles. Ges. f. 

 ralcrland. Kullur, 1876. Niessl, I/i(firi<jia, 187G. 



- Navvaschin, UUher die Brandkvankheit d. Torfmoow, 1893; and M^lawjeji 

 Mologiques, t. xiii., liv. 3, 1893. 



■'• Bofan. Ce.ntralhJatt, lxv., ISOi;, p. 97. 



