250 
Tribe II.—MiniusEaz (gen. 28-37). 
Anther-connective widened and trunc- 
ate at the apex : 
Margins of inrier petals not or only 
shghtly inrolled, petals hardly boat- 
shai 
*Flowers solitary or subsolitary : 
Inner petals not clawed : 
Inner petals thick and con- 
cave at the base; pedicels 
short 
Inner petals more or less 
triangular in section in the 
upper part; Trop. Amer. - 
Inner petals subterete and 
acuminate in the wpe 
part; Trop. Asia 
Inner petals flat and cailae’ 
thin; Trop. Asia - > 
Inner petals clawed; Java - 
**F lowers in fascicles with Bimpie 
***F lowers peniewlate ; styles 
united; Trop. W. Afr. 
Margins of the inner petals much 
inrolled, the inner petals thick and 
boat- shaped : flowers solitary, extra- 
axillary on slender stalks; Sage 
yaa - 
Anther-conneetive not ements, more or 
less poin 
Inner petals seth thick and con- 
cave at the bas 
Flowers in xine dense clusters of 
all cymes - - 
_ Flowers usually solitary on simple 
long slender pedice 
Inner petals flat and thin, head at 
the base - 
Inner petals Slawed at the fase sna 
more or less connivent at the apex 
Tribe I1I.—UnonEak (gen. 
Subtribe 1—XyYLopmInrakE (genera 38-89). 
Series 1.—Hexapetalae (genera 38-79). 
*Connective truncate or broadly tri- 
angular and more or less hiding the 
anther-cells : 
fOvules numerous (at least more than 
2): 
28. Heteropetalum. 
29. Marsypopetalum. 
30. Phaeanthus. 
31. Trivalvaria. 
32. Brieya. 
33. Piptostigma. 
34. Cymbopetalum. 
35. Mezzettiopsis. 
36. Saccopetalum. 
37. Miliusa. 
79. Orophea. 
38-93). 
