247 
Carpels not united or if slight- 
ly so then always ie free 
in fruit Subtribe i. XYLOPINEFAE. 
Petals 6 - : - - Series 1. Hexapetalae. 
Petals 4 - - - - Series 2. T'etrapetalae. 
Petals 3 - - Series 3. T'ripetalae. 
Carpels united Shs a Sale 
mass, especially in fruit - Subtribe ii, ANONINEAE. 
Subfamily IT. MONODOROIDEAE. 
Carpels united into a 1-celled ovary 
with Lepper placentas; stigmas 
radiat 
KEY TO THE GENERA. 
page . ANONOIDEAE (to genus 93, p. 225). 
e I. UvarrgeaE (genera 1-27). 
*Petals 6; nt 
+Flowers Giese on the branches, 
never from underground shoots : 
{Calyx imbricate; Old World 
genera except Malmea and Oxandra : 
Ovules numerous (6 or more) : 
Flowers in fascicles on the older 
wood remote from the leaves ; 
torus conical or hemispherical 1. Stelechocarpus. 
Flowers usually axaBerys torus 
flat; carpels few - 2. Sageraea. 
Ovules 1-2: 
Petals shorter than or equal to 
the sepals, all striate-nervose ; 
anther-connective pilose - 3. Marcuccia. 
Petals longer than the sepals : 
and petals striate - _- 4. Sphaerothalamus. 
stem, not leaf-opposed ; 
Old World : 
Flowers on the young 
or one-year old 
branchlets; _ petals 
