96 
KEY TO PLANTS. 
embryo inferior. Stamens as many as 
petals, or fewer, 3-5. Celastrineae. 
160 (a) Stamens inserted within the. disc. 
(146) 
Shrubs or trees. Flowers usually poly- 
gamous. Stamens as many as, and 
alternate with the petals, or more 
numerous. Radicle of the embryo in- 
ferior. Sapindaceae. 
(6) Stamens inserted outside the dise. 161. 
161 (az) Fertile stamens 2. Petals 5, unequal 
(two of them being much reduced in 
size), or 3. Anthers dehiscing by pores 
or transversal slits. Radicle of the em- 
bryo inferior. Shrubsor trees. Leaves 
alternate. Flowers hermaphrodite or 
polygamous. Ovary 2-3-celled. Asia, 
America. Sabiaceae. 
(6) Fertile stamens as many as petals or 
more, rarely fewer, but then petals 4-5 
and almost equal in size. Anthers de- 
hiscing by longitudinal slits. Radicle of 
the embryo superior. 162. 
162 (a) Stamens as many as petals and opposite 
to them. Flowers dicecious. Leaves 
alternate, not dotted. Shrubs or trees. 
Ovary 2-8-celled. Embryo undivided. 
America. Simarubeae. 
