38 KEY TO PLANTS. 
48 (a) Stamen 1. Leaves entire, exstipulate. 
Flowers spicate. Stigmas 2-3, sessile. 
Ovules few. Tropical America. 
Lacistemaceae. 
(0) Stamens 4 or more. 49, 
49 (2) Stamens 4-5, equal in number to the 
segments of the perianth, adnate to the 
gynophore at their base. Perianth 
gamophyllous, with a tubular or fimbri- 
ate corona at the base. Ovary stalked. 
Styles 3-4, distinct or connate below. 
Seeds albuminous, furnished with an 
aril, Passvfloreae. 
(0) Stamens 6 or more, more numerous than 
the segments of the perianth. 50. 
50 (a2) Ovary upon a long gynophore. Seeds 
exalbuminous. Segments of the perianth 
4, sometimes connate in the form of a 
cap. Stigma 1, sessile or nearly so. 
Asia, Africa. Capparideae. 
(0) Ovary sessile or nearly so. Seeds albu- 
minous, Bi 
51 (a) Stamens perigynous, more rarely hypogy- 
nous ; in the latter case either staminodes 
as many as stamens (usually 6-10) and 
alternate with them, or leaves opposite. 
Leaves entire or dentate. Samydaceae. 
