*> 
02 CUl'KLAXD 
Dicksonietfc near tlieir known relatives in DavallieaCf ratlier than, for mere ease 
of treatment, with their prol)al)le relatives, the Cyafhcaceae. 
It is interesting to note that, as would be expected, it is the most generalized 
of the Dicksonieae wliioh is like Dennstaedtia and therefore most primitive, and 
that in DavaJHeae it is tlie most generalized and primitive group {of. Phil. Jouru. 
Sci. 2 {1907} Bot. 00, plate -}, 125, 12G) whicli is nearest Balantiuin, So primitive 
a group as Balaniium is necessarily ancient, and its age is further attested by 
its distribution. 
BRAIN EA Hooker. 
A sterile plant collected by Merritt, For. Bur. 877,/, in Mindoro, can be deter- 
mined almost positively as Brainea insigms Hooker. This is jjerhaps the most 
striking of the few evidences the ferns present of direct floral intercourse between 
the Philippines and the continent of Asia. 
