54 KEY TO PLANTS. 
103 (a) Leaves stipulate. Flowers moncecious. 
Stigmas several. 104. 
(0) Leaves exstipulate. Flowers herma- 
phrodite or polygamous; in the latter 
case only 1 stigma. 105. 
104 (2) Perianth calycine. Ovules in each cell 
2. Fruit a nut. Trees or shrubs. 
Flowers spicate or capitate, rarely soli- 
tary. Cupuliferae. 
(b) Perianth corolline. Ovules in each cell 
numerous. Fruit a capsule or berry. 
See b _lo*). Herbs or shrubs. Leaves unequal-sided. 
NI. 144 Flowers cymose. Stamens numerous. 
| Style usually bifid. Begoniaceae. 
105 (a) Perianth 1-2-lipped or 3-lobed, valvate 
in bud. Disc wanting. Albumen 
copious. Leaves alternate. Stamens 
usually 6 and adnate to the style. 
Anthers extrorse. Style simple, with a 
lobed stigma, or divided. Ovary 4-6- 
celled with several or many ovules in 
each cell. A ristolochiaceae. 
(0) Perianth 4-8-lobed or partite, imbricate 
in bud, or closed in the form of a 
cap. Disc present. Albumen wanting, 
Trees or shrubs. Leaves usually op- 
posite or verticillate, glandular-dotted. 
