oYM.\os|'oKAN.,irM. 403 



G. globosum Karl. Aecidia on /'///" s J//////N. /'. communis, 



1'i/<linn<i i-/f/i/it,-t'x, Sin-In/^ <> ,,/, ri< " ,/n, and species of r,-n/,i,,/,ix. 



G. nidus-avis Thaxt. Aecidia anl pvcnidia ui Pyntf Main*. 



Amelanchier r,i,/,ii/, //.s/x, and Cn<l<>ni'i i-t//i/ti,-i*. < >n tin- ml cedar 

 it causes the " l.ird's nest" deformation of the hraneh-systeni. 



G. speciosum Peck. < >n Juniperus 



G. Cunninghamianum Bard. 



'i -S.S//A fi,,-//f, ,.-;i( in the Himalaya. 

 A-(-idia on 



The following -nicia du not occur 

 in Europe. Coleopuccinia, li> u-. 

 Al i'< nlii I'm , Trichosporct,. 



Ravenelia alone anmn^st 

 contains jiarasitic species <>1' import- 



ance Thev -ill nppiiv on I POiiminnctx Fl - - w - ( '" 



cc. Liiej .in (iccui on Lieguminosae \. y , 

 and Euphorbiaceae in iln- \vai-iin-r parts 

 of India. Africa, and America. 1 



Ravenelia Volkensii Hrim. has teleutospore-sori which appear 

 on "witches' hi-ooin " deformations of tin- twins of ;m Acacia in 

 [Jsambara. 



Rav. pymaea I.a-cr. et liet. produces its beleutospores ^n 

 malformed hrancln- of /V////A////A//.S in Ecuador. 



< 'ertain forms of Aeridium which cause deformation of species 

 of Acacia should prohaMy he included in this ^enus (see p. 410). 



Endophyllum. 



s ori-imiie serially on cushions which are enclosed 

 in a peiidium simil:ir to .iccjdi.i ; on germination, a four-celled 

 promyceliiim is prodiu-eil.- Leaves "f AV/'//o/7)/,/, ,s'. ///////, or 

 Semptrvivum inhahiied h\- mvcclium develop abnormally. 



Endophyllum euphorbiae-silvaticae (!).('.)( I'.i itain >. Accord- 

 in- t. Winter, the peridia are regularly di-triimted over the 



underside ,,f i| H . l,. : ,f ,,f /;'/,/,,,,/,;,, ,,!,/,/,/, if, ,,',/. s ; they ha\e 

 white tissiu-ed margins eithej- erect "i -"iiieuhat tinned hack. 



I' I I i.- Oentu Ravenelia," Hedwigia, l^vi 

 - 'I In- i-l.-nti,-| ....... i ii,,, _.. in,. I,, i. lit l.i- desci \\lm-li 



V, . ||., 



