TAXONOMY 
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to irregular pentamerous {Pelargonium)] sepals five, aposepalous; 
petals five, apopetalous, varying in color from greenish-white or 
pink-red to scarlet, scarlet-crimson to crimson-purple; stamens with 
anthers ten or five, hypogynous or inserted into slightly developed 
hypogynous disc; pistil pentacarpellary, ovary five-celled with two, 
2 
Fig. 202. —Physostigma venenosum —Portion of plant and fruit. (Sayre.) 
rarely one ovule in each cell, styles elongate, fused round a stylar 
column of receptacle then continued as a stylar tip which splits into 
five stigmatic surfaces. Fruit a regma rarely a simple capsule. 
Regma splits into five recurved carpels, each then dehiscing to set 
free two or one seeds. Seeds exalbuminous. 
