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The seeds when moistened develop a muci- 

 lage, which in Mexico is called "Chia" and 

 used in the preparation of a cooling drink. 



2. 0. 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. Lowcr Icavcs 

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

 corolla pink. — 0. Lagunitas Creek. Spring. 



Family 5. CONVOLVULACE^. 



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. EEPENS Forst. Flowers pale. — IC. 

 Telegraph hill. Spring. 



2. Convolvulus L- 



BiND-WEED. MORNING-GLOEY. 



Calyx 5-cleft, persistent. Corrolla funnel- 

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

 sule 2-ovulate. — It. 



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

 tire; stigmas ovate, thickish; corolla pink. 

 Seashore. Summer. 



