(377) 
to some extent. Text-figures 5 and 6 are designed to rep- 
resent some of these features. 
The condition met with in Mevz7lea shows a step in advance 
of the parietal placentation in that the carpels have pushed in 
toward the center of the cavity and have there become flat- 
Se 
LI 
Fic. 5. Placentation. A, B, Fevillea. C, Melothria. D, Bryonopsts. 
E, Momordica. &, Trichosanthes, Gtol, Luffa. K,L, Lagenaria. M, 
Citrullus, J, Cucumis. 
tened by mutual contact. As may be seen, the ovules, borne 
on rather long funicles, are in the earlier stage horizontal and 
in this respect the condition evident here is in no essential 
different from that found in Melothria, Bryonopsis, Afomor- 
dica, or Trichosanthes. In these latter forms the ovules are 
more numerous on each flank of the placenta. It will be 
