Victorian Plants. 55 



Leaves large, divided into numerous capillary segments. 



Herbs, always submersed ; leaves whorled, their segments 

 repeatedly dichotomous ; involucre many-lobed ; sepals 

 and petals none ; stamens ten to twenty ; stigma one, 

 narrow, elongated ; fruit ellipsoid-ovate, one-seeded, in- 

 dehiscent ; albument absent. Ceratophyllum. 1209 



ARALIACEAE. 



271. Leaves always simple. 



Shrubs, seldom arborescent ; vestiture consisting of starry 

 hairlets; leaves quite entire; petals contiguous before 

 expansion ; stamens five ; styles two ; fruits dry, much 

 compressed, always two-celled. Astrotricha. 1210 



Leaves variously compound, rarely simple. 



Shrubs or trees ; petals contiguous before expansion ; 

 stamens five ; styles two ; fruit usually succulent, com- 

 pressed, nearly always two-celled. Figure 62. 



Panax. 1211 



UTCLBELLIFERAE. 



272. Fruit quite undivided, always one-seeded, but provided 



with two styles. 



Herbs; leaves often basal, seldom entire; umbels simple. 



Actinotus. 1212 



Fruit consisting of two cohering but at last seceding 

 fruitlets, each provided with a style, rarely one 

 fruitlet undeveloped ... ... ... ... ... 273 



273. Leaves or their lobes jointed ... ... ... ... 274 



Leaves or their lobes unjointed ... ... ..- 275 



274. Umbels simple. 



Small glabrous herb, somewhat creeping; leaves linear- 

 cylindrical, undivided, rather succulent; stamens and 

 pistils in the same flowers; oil-ducts of the fruit present. 



Crantzia, 1213 



Umbels compound. 



Glabrous, odorous and perennial herbs ; leaves rigid ; stami- 

 nate and pistillate flowers mostly on distinct plants ; 

 ridglets of the fruit acutely prominent, those of the inner 

 margin sometimes expanded into a narrow membrane. 

 Figure 63. Aciphylla. 1214 



