MORPHOLOGY OF THE LEAF. 



ing of the base lobes of a deeply cordate leaf, as seen in hydro- 

 cotyle. It may be orbicular, oval, etc. 



343 



ves almost compound. 343, Nigella (pinnatisect). 344, Cheledrmium niajus. 345, This- 

 tle (Cirsium lanceolatum). 346, I>ndelion (runcinate-lyrate). 



296. The following result from deficiency of tissue, causing 

 deep divisions between the veins. Leaves thus dissected are 

 said to be palmately-lobed when either the segments or the si- 





348 



rriiial fence*. 347, Menispermum Canadense. 348. Passiflora cerulea. 349. Broussonetia i>- 

 pyrifera. 350, Oak Geranium. 



nuses are somewhat rounded and continuous. The number of 

 lobes is denoted by such terms as bilobate, trilobate, five-lobed, 

 otr. Leaves are palmatety cleft and palnmtely parted^ according 



