CAEOMA. 419 



leafless shoots on TJiitjojixi* iliilnlifiitu in .l;q'an, whenee they were 

 sent to me (Fi'j-. i'-~4 ami 255). < >ne example (not figured) waa 

 large as a y<num child'- head. 



The shoots of the witches' linmiii-. are furnished with \a-eidar 

 bu miles and possess a parenchyma rich in -i arch-content. 

 Kach hranch of the deformed -honi termi- 

 nates in a hemispherical -^nicer-shaped 

 > -////"-cushion, at first covered over by 

 the epidermis, Imt with no peridium. The 

 'v/,y/,//,/-di-cs are at first brown, but after 

 the epidermis bursts and rolls back, the 

 yellow dustv spores a]. pear. The spores fta -' 



J man*. l'.>rn..n ol 



arise serially from \c\\ short basidia : they ^-<\\i^ Bgun i t.. 



show tli. n the 



are yellow and have striped membranes. ""'- - 1 twi ^~- ( v - 1V 



The witches' brooms also exhibit marked 



hypertroj.hy ( Fi-. 254). In the sujiportinu branch both wood 

 and bark are emisiderably increased. l.ar-e medullary rays occur 

 in the wood, and nests of thin-walled parenchyma are interpolated 

 between the re-ular tract- of tracheae, SO that the general 

 arrangement re-embli-s that >lm\vn in junipei- by Womle's 

 researches on (hjmnosporangium. The parcnrhymatous -i- 

 o!' cells in the WO,H! ap|iear to the naked eye aa 

 They are permeated by a vigorous intercellular mycelium, which 

 -ends off lar-e haiistoria into the adjacent cells. 



Caeoma laricis (Westeud). 1 < >n needles \ Larix. ( I'.i itain.) 

 C. orchidis A. >! S. ( >\\ <>n-|iiil-. ( Hi ilain. ) 

 C. chelidonii .M.eju. <)n r/,, ////,,/,/, ,/*.////.> (I'.S. Am-ii 

 C. fumariae Lk. < u r, _,/,/.//,'.<. 



C. euonymi (<iun-l.). < >\\ /:'":, n/uni.-; europaetu (Britain . 

 C. confluens I'.-r.-. ). <>n A'//,.,- alpiman, II. /"//"//', !'. 

 C. nitens (''./'/,/////' it",,, i- t li.- \v.-ll -kimwn l'.l;i.-klnTi'\ -ru-' .niiii.ni 



in tin- I'nitid St;it---. It i- pi "lnlii\ .1 t'uriii "\ /'/<;:', ,t''i /'..-//.' 



C. aegopodii l.'.-li.-ut.). (tn i / >dium Podagraria &nd <''>> '/'.''' 



It n'll ill . 



C. ligustri ( li'.-iKli. ). <)n l.i'i'i.<tfii,,t i-'/l'i 



C. ari-italici (|)uli\). ( In An/m mm-nlnt >i,,i. 



C. allioriini I, ink. < n .I///'//,,/ ursinum, .1. 



C. saxifragac Strauss. < in Scurifracja .//.//."/' 



C. :nercurialis Mai-t i. < in I/ 



1 Tills .in.l nin-t .,| I !). iitlh-l 6 "Ills 



< linton, Bota I 1893 |.. I in. 



i . i British in l'l<.u-i 



