!54 THALAMI FLORAE. 



the base of the cell : cotyledons more or less curved 

 upon the radicle, . occasionally straight. De Cand. 

 el Lindl. 



Trees or shrubs, erect or climbing. All 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 xagdia the heart, and avsg/Aa, 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, Sloane, 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- 

 sulcatedj 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 



