POLYPETALAE. 73 
66 (@z) Perianth consisting of 3 sepals, and 6 or 
more (rarely 3) petals; sepals sometimes 
passing gradually into the petals. Shrubs 
or trees. 67. 
(2) Perianth usually consisting of 4 or more 
sepals, and an equal or smaller number 
of petals, more rarely sepals fewer than 
petals, or gradually passing into them, 
or only 3, but then herbs. 68. 
67 (a) Sepals valvate in the bud. Albumen 
ruminated. Leaves exstipulate. 
Anonacecde. 
(4) Sepals imbricate in the bud. Albumen 
uniform. Leaves usually stipulate. 
Asia, America, Australasia. 
Magnoliaceae. 
68 (a) Seeds furnished with an aril. Sepals per- 
sistent. Leaves undivided, rarely pin- 
nately divided. Usually shrubs or trees. 
Leaves alternate. Sepals 4 or more, 
imbricate. Dilleniaceae. 
(0) Seeds without an aril. Sepals deciduous, 
rarely persistent, but then leaves palm- 
ately divided. Herbs, more rarely 
woody climbers with opposite leaves. 
Ranunculaceae. 
69 (a) Ovule in each cell of the ovary 1. 70. 
(54) 
