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deeply 5-lobed. Fruit a berry. Seeds large, 
globose.—2£. Root large; stem climbing by 
tendrils. Flowers greenish white. 
1. M. Faspacea Naud. (Californica Torr.) 
Ovary globose, densely echinate; fruit globose, 
covered with pungent spines; seeds globose.— 
San Francisco. Spring. 
2. M. maraw Kellogg. Ovary ovate, cov- 
ered with soft spines; fruit ovate, muricate; 
seeds lenticular.—San Francisco. Spring. 
The enormous rhizomes of both species 
abound in an acrid, drastic juice, which renders 
the fecula, contained in a fair proportion, poi- 
sonous. 
Order 2. RUBIALES. Filaments terete. 
Family 1, DIPSACEZ. 
Leaves opposite. Stipules 0. Flowers in 
involucrate heads; single flowers protected by 
a double (involucellate) calyx, tetrandrous. 
Ovary 1-celled, l-ovulate. Fruit utricular. 
1. Dipsacus Tourn. TEASEL. 
Head oblong. Leaflets of the involucre radi- 
ate. External calyx (involucellum) quadran- 
gular; internal cyathiform.—©©. Spring. 
1. D. Futtonum L. Flowers pale.—Culti- 
vated grounds. Summer. Escaped from cul- 
tivation, Originally Mediterranean, 
