8 CONTENTS. 



Dicotyledones— Continued. Page. 

 Oleacese — Continued. 



Fraxinus — Ashes — Continued. 



Fraxinus velutina Torrey 426 



Flowering ash (Fraxinus dipcta la Hooker and Arnott) 428 



Bignoniacea?_ : 420 



Chilopsis 42',) 



Desert willow (Chilopsis linearis (Cav.) Sweet) 42!) 



Rubiaeere 431 



Cephalanthus 431 



Button bush (Cephalanthus occidentalis Linnaeus) 431 



Caprifoliacea? 433 



Sambucus — Elderberries 433 



Blue elderberry (Sambucus glauca Nuttall) 4:14 



Mexican elder (Sambucus mexieana Presl.) : 435 



Red-berried elder (Sambucus caUicarpa Greene) 436 



