19 
Taking up Cymopterus proper, which I call section Eucy- 
terus, Coulter and Rose characterize the genus on 
Ww 
genera out of this is SS etic for the " geftwr-ewveted and 
dark-green-leaved, almost involucreless C. Fendleri and its var 
Newberryi form a group very marked from the white- flowered 
and glaucous-leaved looking and hyaline-involucred species of 
the rest of the genus 
Rhysopterus. This is characterized ‘on page 185 by Coul- 
ter and Rose. They give the generic character as with obtuse 
ribs while R. corrugatus has acute ribs, in addition they refer 
Cymopterus globosus to Cymopterus while it is congeneric 
with C. corrugatus which they oe to Rhysopterus. This 
shows ees jeotahen” of this genu 
Oreo They put this far Sit of its proper place in the 
family Aart near to Thaspium, referring half of the i eae that 
properly pelong to it to Pseudocymopterus, while it is mani- 
festly allied to the Pteryxia and Scopulicola ships particu- 
larly in vegetative characters. This group should embrace not 
only the species referred to it but also C. anisatus, bipinna- 
tus and Humboldtianus, C anisatus showing the intergrading 
toward the waste: grou 
P This as interpreted: by Coulter and 
Rose is untenable ap it includes widely separated species, the 
) only: eee to do with it is to consider it as a distinct aig 
atits and bipinnatus to it as they have done destroys it. The 
habit, leaf dissection, and fruit characters must keep them in 
character that sticks, and that they cannot find their own ape 
cies in the genera that they | have erected. 
Cogswellia eucedanum). The segregates Ee this 
genus which they call Lomatitm, Euryptera and Cynomiara- 
thrum I have retained in this genus. Ponidté tium, as I hate 
shown, is ‘untenable and has been abandoned by Rose. 
Euryptera. This can be Lise ibe seh only on the combina- 
