(168) 



The seeds when moistened develop a muci- 

 lage, which in Mexico is called "Chia" and 

 used in the preparation of a cooling drink. 



2. C. GILIOIDES Benth. Lower leaves petio- 

 late and most of them pinnately incised; calyx 

 rounded at base; corolla pink. 0. Tamal- 

 pais. Spring. 



3. C. HETEROPHYLLA Hook. Lower leaves 

 petiolate, 2-pinnatifid; calyx acute at its base; 

 corolla pink. 0. Lagunitas Creek. Spring. 



Family 5. CONVOLVULACE.E. 



Estivation contorted. Ovary 2-3 or 4-celled. 

 Embryo curved. Cotyledons foliaceous, con- 

 duplicate, corrugate. 



1. Dichondra Forst. 



Ovary divided into two carpidia, each 2-ovu- 

 late. Creeping herb. Flowers inconspicuous. 



1. D. REPENS Forst. Flowers pale. 1C. 

 Telegraph hill. Spring. 



2, Convolvulus L. 



BlND-WEED. MORNING-GLOBY. 



Calyx 5-cleft, persistent. Corrolla funnel- 

 form, 5-angulate, 5-plicate. Cells of the cap- 

 sule 2-ovulate. 2f . 



1. C. SOLDANELLA L. Margin of corolla en- 

 tire; stigmas ovate, thickish; corolla pink. 

 Seashore. Summer. 



