253 
Carpels 6; stamens all fertile; 
N. Austral. = e - 60. Haplostichanthus. 
+TOvules 1-2: 
Peduncles becoming indurated and 
thickened, hook-like; petals with 
a dorsal horn-like appendage; 
Trop. Old World - 61. Artabotrys. 
Peduncles not hooked : 
Carpels more than | 
Seeds neither triquetrous nor 
winged : 
Petals pr bat in length : 
Trop. 
Petals nat = on 
the back 62. Unonopsis. 
Petals ‘busily winged 
on the back 63. Rolliniopsis. 
Trop. Old World : 
Style nearly as iSiie as 
ovary, more or _ less 
slender and terete ; New ° 
Guinea : 
Carpels numerous - 64. Schefferomitra. 
Carpels 3-6 - - 65. Oreomitra. 
Style very short or al- 
most ab sent : 
All th: petals more 
or less opening out 
in flower - . 66. Polyalthia. 
Tnner petals remain- 
stamens and carpels 
and often somewhat 
connivent -  - 67. Popowia. 
Petals very unequal : 
Petals united at the base 51. Papualthia. 
Petals free or slightly 
connivent : 
West Trop. Afr. - 68. Stenanthera. 
Petals not concave at 
the base : 
rs petals not 
- 69. Oxymitra. 
lates petals dnwed - 70. Goniothalamus. 
Seeds triquetrous, winged, Fiji 71. Richella. 
Carpell; Malaya - -  ~- 72. Mezzettia. 
