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4. C. PAPILLOSUS Torr. & Gray. Leaves 

 all alternate, pinnately veined, glandtilar; 

 flowers blue. — Redwood City. Alma. Sum- 

 mer. 



5. C. CRASSIFOLIUS Torr. Leaves often 

 opposite, with numerous straight veins, ob- 

 long; young branches tomentose; flowers in 

 dense fascicles, pale. — Wright's Station. Sum- 

 mer. 



6. C. CUNEATUS Nutt. Leaves often oppo- 

 site, cuneate, with numerous straight veins; 

 young branches almost smooth; flowers in 

 loose fascicles, pale. — Marin County. Sum- 

 mer. 



Family 2. CELASTRACSiE. 



Calyx conspicuous, gamosepalous. Stamens 

 alternate with the petals and opposite to the 

 calyx lobes. 



1. Euonymus Tourn. Spindle-Trre 



Sepals and petals 4 or 5, spreading. Ovary 

 3-4-celled, half immersed into the disc. 

 Capsule loculicidal. 



1. E. occiDENTALis Nutt. Flowcrs dark 

 brown. — ^. Crystal Springs. Taylorville. 

 Summer. 



Family 3. AMPELIDE^. 



Calyx inconspicuous. Stamens inserted with 

 the petals, opposite and of equal number. 



