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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. C. ei~ioipEs Benth. Lower leaves petio- 
late and most of them pinnately incised; calyx 
rounded at base; corolla pink.—@. Tamal- 
pais. Spring. 
3. (C, HETEROPHYLLA Hook. Lower leaves 
petiolate, 2-pinnatifid; calyx acute at its base; 
corolla pink.—©. Lagunitas Creek. Spring. 
Family 5. CONVOLVULACEZ. 
AKstivation 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. nevens Forst. Flowers pale.—2. 
Telegraph hill. Spring. 
2. Convolvulus L. 
BIND-WEED. MORNING-GLORY. 
Calyx 5-cleft, persistent. Corrolla funnel- 
form, 5-angulate, 5-plicate. Cells of. the cap- 
sule 2-ovulate.—2f. 
1. C. sonppanetia L. Margin of corolla en- 
tire; stigmas ovate, thickish; corolla pink. 
Seashore. Summer. 
