58 Key to the System of 



minal lobes ; petals of the outer flowers often radiatingly 

 enlarged ; apex of petals inflexed ; fruit-ridglets rough 

 from short bristlets ; oil-ducts present. " Carrot." 



Daucus. 1240 



Flowers densely capitate or spicate, supported by 

 usually pungent bracts. 



Annual or oftener perennial herbs or seldom shrubby or 

 even arborescent plants; color of the whole plant often 

 bluish; lobes of leaves generally spinulescent-pointed ; 

 calyx with five terminal rigid lobes ; apex of petals 

 much inflexed ; fruit turgid, papillular-rough. 



Lum. 1241 



CUCURBITACEAE. 



286. Fruit many-seeded, usually smooth. 



Tendrils undivided; lobes of the corolla five, entire; stamens 

 five, one free, two and two connate ; fruit never large. 

 Figure 77. Melothria. 1242 



Fruit one-seeded, usually prickly. 



Tendrils divided ; lobes of the corolla five, entire ; stamens 

 all connate; pistillate flowers devoid of bracts; fruit very 

 small. Sycios. 1243 



FASSXFLORBAE. 



287. Disk usually produced into numerous whorled thread- 



like segments and into a circular prolongation. 



Climbers or twiners, producing tendrils ; leaves scattered, 

 often lobed ; flowers large ; calyx- tube short ; calyx- 

 lobes petal-like ; petals and stamens usually five ; style 

 three-cleft, connate with the stamens ; fruit on a stalk- 

 like extension (gynophore), succulent. "Passionflower." 



Passiflora. 1244 



LORANTHACEAE. 



288. Staminate and pistillate flowers distinct. 



Flowers minute ; anthers bursting transversely; style unde- 

 veloped. Notothixos- 1245 



Stamens as well as the pistil in the same flowers. 



Flowers large ; anthers bursting longitudinally ; style de- 

 veloped. Figure 66. Loranthus. 1246 



