664 TRAVEL IN EUROPE AND AMERICA. [1876, 
TO CHARLES DARWIN. 
December 5, 1876. 
. Curious that one species should take as to 
dlewe frail some flowers, the other to cross all. 
ow I want to beg of you to consider about a name 
for this kind of thing, on which, as a good judge, you 
could consult Bentham, or indeed, Hooker, if he can 
give it attention. 
This matter will need to come into generic or spe- 
cific characters, and therefore wants a terse and un- 
ambiguous mode of expression in a single word. 
My old expression thirty or so years ago, “ dicecio- 
dimorphous,” you reasonably objected to, implying 
separation of sexes (which, though, it need not do). 
Yours of “dimorphous ” should be, as the lawyers 
say, void for vagueness, there being plenty of other 
kinds of dimorphism in flowers. 
Hildebrand’s, of ‘“heterostylous,” the difference 
being in other things as well as style, and, I think, 
possible sometimes not in the style. The term will 
not work well in characters, whether in Latin or Eng- 
lish. I have proposed, accordingly, in a little article 
not yet published, to use the term “ heterogone,” in 
other form “ heterogonous,” in Latin “ Flores hetero- 
goni,” with the counterpart ‘ homogone,” ‘ homogo- 
nous,” * Flores homogoni.” 
This means, you see, explicitly, diverse genitalia, 
and the your} st used as in the common fatacieal term 
“ perigonium.,” 
TO R. W. CHURCH. 
February 5, 1877. 
Your friend Lord Blachford is an unrivaled expo- 
sitor. I have just been reading, with extreme sat- 
