Victorian Plants. 151 



735. Fruits truncate ... ... ... ... 736 



Fruits rounded-blunt ... 737 



736. Perennial plant, generally large. 



Shrubby, often tall, but of weak or even climbing habit ; 

 leaflets from oblique-elliptical to linear ; stamens eight ; 

 filaments without any appendages ; fruits rather small, 

 obversely semiovate - pyramidal, acutely quadrangular, 

 splitting between the dissepiments, few-seeded, without 

 any expanding membranes. Z. Billardieri. 



Annual plant, quite small. 



Leaflets elliptic- or linear-cuneate, their stalk dilated ; 

 flowers minute ; petals whitish ; stamens four ; fruit very 

 small, acutely quadrangular, without any expanding 

 membranes, splitting between the dissepiments. 



Z. 



737. Leaflets obliquely cuneate-obovate, perfectly entire. 



Robust herbaceous plant ; leaflets very carnulent, their stalk 

 margined ; flowers comparatively large ; stamens eight ; 

 fruit large, almost oval in outline, quadrangular, splitting 

 between the dissepiments, many-seeded. 



Z. glaucescens. 



Leaflets broadish-cuneate, notched at the summit. 



Small annual plant; leaf-stalk dilated; flowers rather small; 

 stamens eight ; fruit almost oval in outline, splitting 

 between the dissepiments, many-seeded. Figure 16. 



Z. crenatum. 



TRXBUX.TJS. 



738. Fruitlets each with two dorsal spinules, but without 

 any expanding membranes. 



Prostrate herb, ordinarily annual ; leaflets small, in four to 

 eight pairs, from ovate- to lanceolar-elliptical, generally 

 beset with appressed hairlets ; flowers from small to quite 

 large ; stamens ten, all perfect ; fruit depressed, each of 

 the fruitlets often provided with two additional spinules 

 and generally also with small granular or pungent ex- 

 crescences and with short hairlets. T. terrestris. 



