154 THALAMIFLOR^. 



the base of the cell : cotyledons more or less curved 



upon the radicle, occasionally straight. — De Cand. 



et Lindl. 



Trees or shrubs, erect or climbing. AH of them natives of 

 the warmer parts of the globe. 



I. Cardiospermum. Heart-peas. 



Calycine sepals 4, with 2 of them small. Petals 

 4, internally appendiculated, with the appendices un- 

 equal. Glandules 2, hypogynous, between the petals 

 and the stamens. Stamens 8. Styles 3. Carpels 3, 

 inflated, membranaceous, connate at the axis, winged 

 on the back, evalvular. Seeds globose, with a broad 

 cordate hilum. Cotyledons thick, unequal — De 

 Cand. 



Stems herbaceous or suffruticose, sub-scandent. Peduncles 

 racemose at the apex, with the 2 inferior branchlets abortive 

 and cirrhose. — Name, from xagS/a the heart, and CTsg/iCa seed. 



1. Cardiospermum villosum. Common Heart-pea. 



Branches villous, leaves biternate, leaflets incised 

 crenato-serrated incano-villous especially beneath, 

 glandules 2 hypogynous abbreviated rounded, capsules 

 spherical hispidulous. 



Pisum vesicarium, fructu nigro alba macula notato, Shane, I. 



238 Cardiospermum, Browne, 213 — C. halicacabum, Lunan, 



Hort. Jam. I. 365. 



HAB. Common on fences and in thickets, in dry hot situa- 

 tions. 



FL. Spring. 



Stem fruticose at the base : branches scandent, 7-anguloso- 

 sulcated, subincano- villous. Leaves alternate, biternate: leaf- 

 lets (the centre one the largest), petiolulated, ovate, apiculated, 

 inciso-serrated with the lobes rounded, nerved and veined, in- 

 cano-villous especially beneath : petiole terete, 3-lineated above. 

 Racemes axillary, longer than the leaf, compound, with the two 

 lower branchlets cirrhose : peduncle tetranguloso-sulcated, sub- 

 incano-villous : pedicels about 3 lines in length, filiform, to the 

 glass minutely puberulous. $ Flowers deciduous : the two 

 outer sepals roundish, green, very minutely ciliated : 2 inner 

 sepals much longer than the outer, subpetaloid, roundish, con- 

 cave, glabrous. Petals 4, larger than the inner sepals, obovate, 

 furnished at the base with a petaloid scale, induplicated with a 



