28 American Midland Naturalist Monograph No. 4 



Leaves palmately lobed, or leaves divided into separate leaflets, not spine-, 

 toothed. 

 Lov^ or tall shrubs, not climbing vines. 

 Flowers with stamens 5 to 10. 



Fruits dry pods or seed-like and winged. 



Leaves divided into separate leaflets; flowers not more than 

 1 inch across. 



Flowers blue, purple, or yellow; fruits pea-like pods; 



herbage without strong odor 



Leguminosae, p. 144. 



Flowers greenish; fruits seed-like, winged all around; 



herbage ill-smelling PTELEA, p. 152. 



Leaves palmately lobed; flowers V/2. ^o 2 inches across; 



fruits felty capsules FREMONTIA, p. 173. 



Fruits fleshy. 



Calyx corolla-like, saucer-shaped to tubular, borne above 



ovary; fruits juicy berries RIBES, p. 84. 



Calyx green, 5-parted, borne below the other flower parts; 



fruits dryish berries anacardiaceae, p. 153. 



Flowers with stamens many RosACEAE, p. 98. 



Woody vines climbing by tendrils VlTACEAE, p. 171. 



Flowers borne in flower-like heads surrounded by an involucre of scale-like or her- 

 baceous bracts; fruits small seed-like achenes CoMPOSlTAE, p. 228. 



D. Leaves mostly opposite or whorled, not scale-like, 



, AWL-SHAPED, NOR LINEAR. 



I. Leaves not lobed nor divided, the margins often toothed. 



a. Flowers with separate petals or petal-like bracts, or petals none. 



Flowers greenish, yellow, or dark red. 



Petals I or 2, or none. 



Herbage green, smooth, not hairy; fruits wingd or like tiny olives 



Oleaceae, p. 204. 



Herbage silvery-gray, whitish, or rusty; fruits berries. 



Berries silvery, borne in stiff drooping clusters near the ends of the 



branches Garryaceae, p. 177. 



Berries red or yellowish, smooth or scurfy, borne singly or several in 



leaf-axils EleagnaceaE, p. 175. 



Petals or petal-like bracts 4 or 5 or more. 



Much-branched shrubs; flowers dark red; fruits capsules. 



Tall shrubs with leaves up to 6 inches long; flowers composed of 

 numerous colored bracts, sepals, and petals; in California 

 parks Calycanthaceae, p. 79. 



Low shrubs with leaves seldom more than 1 inch long; flowers with 4 

 petals, scarcely ]/4 inch across; widespread in the parks 



- PACHISTIMA, p. 1 56. 



Straggling shrubs with very slender stems; flowers yellow; fruits seed-like, 



winged JANUSIA, p. 16!. 



Flowers white, blue or pink. 



Stems 4-angled; leaves in circles of 4; fruits resembling paired seeds, white- 

 hairy GALIUM, p. 213. 



