74 



*»y Miss Mitchell (1), which is the fullest hitherto published ; 

 UMi-e are however several variations from the description given 

 i>y that writer. These variations may possibly be explained by 

 differences m age and in the season of collecting. It is hoped 

 that, when the investigation of the structure and development is 

 complete, it will be possible to publish a full account elsewhere. 



""•Sp 



COI.POMEXU 



pidoL^V *' «*■»«■•. Porttw Natt,ral 8i2 «> (after 01tmann 8 ) 

 ^ d * ,par ^ h — — " -pLT" ? of ^rtile plant, ■ " 



/ - Plunlocular sporangia P. = para- 



\fojm*. x 400. 



1 * " ci ♦ 



lu p^T . - P U,l0euIar 8I>oranL PSe " d T rench y mafcou8 ^ut more 

 i»LS Mal t0rm ^POmmin^ X ab0ut 20 °- (after Thuret). 



- '""ingoBhecl from that pl ant i ?- th !£• been ^fuwd. It 



y the thl *mer non-gelatinous 



