128 Key to the System of 



CAFSEXiXiA. 



629. Fruit nearly oval-obcordate, longer than its stalklet. 



Beset with short hairlets ; leaves entire or denticulated, 

 from lanceolar to rhomboid ; stalklets rather thick ; seeds 

 few in each fruit-cell. C. pilosula. 



Fruit oval-ellipsoid, shorter than its stalklet ... ' 630 



630. Petals almost enclosed. 



Always glabrous; leaves entire, from lanceolar to nearly 

 ovate or the upper linear ; stalklets very thin ; seeds 

 rather numerous in each fruit-cell. C . elliptica. 



Petals conspicuously exserted. 



Often beset with short hairlets ; leaves mostly pinnatifid or 

 denticulated, from spatular or lanceolar to linear and 

 hastate ; sepals long-persistent ; stalklets very thin ; seeds 

 several in each fruit-cell. C . antipoda. 



CARDAIttlNE. 



631. Leaves bilobed at the base, otherwise all only denti- 



culated. 



Usually tall ; leaves sessile, elliptic-lanceolar ; petals less 

 than half exserted ; style elongated ; fruit several times 

 longer than the stalklet ; seeds dark-brown outside and 

 densely reticulated. C. stylosa. 



Leaves almost lobeless at the base, the lower pinnati- 

 sected. ... ... ... ... ... ... 632 



632. Seeds reticulated outside. 



Usually tall ; upper leaves from lanceolar to almost linear ; 

 petals more than half exserted ; style elongated ; fruit 

 often about twice as long as the stalklet ; seeds black 

 outside. C. dictyosperma. 



Seeds smooth 633 



633. Stamens six. 



Generally glabrous; leaves pinnatisected, with segments 



from roundish to linear ; seeds in one row, brown outside. 



(C. hirsuta.) C. parviflora. 



Stamens four 634 



