162 



BUDS AND LEAVES 



line, as in wintergreen ; it is cordate when the leaf is longer than 

 broad and there are two large rounded lobes at the base and 

 an apex which tapers gradually to a point, as in aster; it is 

 reniform when the leaf is broader than long and has two very 



FIG. 97. Pinnate and Palmate Leaves Compound. 1, Trifoliate-pinnate, 

 yellow clover (Melilotus officinalis) ; 2, even-pinnate, black locust (Robinia 

 Pseudo-acacia); 3, odd-pinnate, mountain ash (Sorbus americana); 4, odd- 

 pinnate, sumac (Rhus glabra); 5, tendril-pinnate, sweet pea (Lathyrus 

 odoratus) ; 6, trifoliolate-palmate, gold thread (Coptis trifolia) ; 7, trifoliate- 

 palmate, red clover (trifoliun pratense); 8, septa-foliate, horse-chestnut 

 ((Esculus hippocastanum) ; 9, palmate leaf of lupine (Lupinus perennis). 



large basal lobes, as in wild ginger, it is oblanceolate when the 

 apex is broad and rounded and the base tapers gradually into 

 the petiole, as in the leaflet of lupine; it is spatulate when the 

 apex is broad and rounded and the base tapers very gradually 

 into the petiole, as in everlasting; it is obovate when it is 



