ERRATA. 



Page 6, 1st line, for 



" 6, 9th 



'■ 7, 21st 



" 15, 16th 



" 26, 9th 



" 32, 10th, 18th, 19th 



" 34, 3d 



" 37, 5th 



" 37, 10th 



Wusiaaese" read " Weissiacew." 



line, from top for " Weisia " read " Weissia." 

 '• " " " " Breverianum " read "Brewerianum." 

 " " " " heterostychum" read " heterostichum." 



" " "thyphylla" read " ithyphylla." 

 " " " " Breveriauuin " read " Breweriamirn. " 

 " bottom for " Eurynchum " read " Eurhynchum. 

 " top " " commulatum" read " commutatnm." 

 " " " "Bhitidium" read " Rhytidium." 



