18 



Key 



x. Vine, flowers, bonnet- Page 



shaped Psoralea — 105 



d. Flowers blue to purple. 



x. Plants neither shrubs 

 nor vines. 



m. Flowers bonnet- 

 shaped. 



(1) Upper petal 

 with white or 



red blotch Lupinus— 106 



(2) Upper petal 

 without white 



or red blotch Psoralea — 104-5 



n. Flowers not bonnet- 

 shaped Oxalis — US 



2. Leaflets usually 5, sometimes 

 6 or 7. 



a. Flowers yellow or greenish- 

 yellow. 



x. Shrub Aesculus — 129 



y. Woody vine Parthenocissus — 133 



b. Flowers white. 



x. Vine climbing by tendrils Cyclanthera — 202 



c. Flowers pink to red. 



x. Shrub Aesculus — 129 



d. Flowers blue to purple. 



x. Plants neither shrubs nor 

 vines. 



m. Flowers bonnet- 

 shaped. 



(1) Upper petal 

 with white or 



red blotch Lupinus — 100 



(2) Upper petal 

 without white 



or red blotch Psoralea — 104-5 



B. Leaves pinnately compound. 

 L Leaves once pinnate. 



a. Leaves mainly opposite. 



x. Leaves with odd leaflet 

 at end. 

 1. Flowers yellow. 



