(185) 



Family 3. CORNACE^. 



Stamens 4. Leaves opposite. 



1. Cornus L. Cornel. Dogwood. 



Flowers ^, Petals 4. Ovary 2-celled. 

 Style 1. Fruit a drupe, with two pyrenae. — ^^ . 



1. C. NuTTALLii Aadubon. Flowers iu a 

 dense glomerule, supported by a conspicuous 

 petaloid involucre ; flowers greenish; fruit 

 red. — Formerly in the vicinity of San Fran- 

 cisco, where it is now extinct. Still to be 

 found on Bolinas Heights. Common in the 

 Sierra. 



2. C. Californica C. A. Meyer. Flowers 

 in a cyme, not involucrate white ; fruit white, 

 sometimes blue. — Crystal Springs. Marin 

 County. Summer. 



2. Garrya Dougl. Tassel Tree. 



Dioecious. Flowers amentaceous, ternate 

 between decussate bracts. Petals 0. Ovary 

 1-celled ; styles two, persistent. Ovules two. 

 Fruit a berry. — ^ . 



1. G. ELLIPTICA Dougl. Leaves sessile, un- 

 dulate; fruit purple. — Shady ravinas around 

 the bay. Spring. 



2. G. Fremontii Torr. Leaves petiolate, 

 not undulate; fruit purple. — Wright's Station. 

 Santa Cruz mountains. Spring. ** Quinine 



