(123) 



deeply 5-lobed. Fruit a berry. Seeds large, 

 globose. K- Boot large; stem climbing by 

 tendrils. Flowers greenish white. 



1. M. FABACEA Naud. (Calif ornica Torr.) 

 Ovary globose, densely echinate; fruit globose, 

 covered with pungent spines; seeds globose. 

 San Francisco. Spring. 



2. M. MARAH 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. BUBIALES. Filaments terete. 



Family 1, DIPSACEJE. 



Leaves opposite. Stipules 0. Flowers in 

 involucrate heads; single flowers protected by 

 a double (involucellate) calyx, tetrandrous. 

 Ovary 1-celled, 1-ovulate. Fruit utricular. 



1. Dipsacus Tourn. TEASEL. 



Head oblong. Leaflets of the involucre radi- 

 ate. External calyx (involucellum) quadran- 

 gular; internal cyathif or m. 00. Spring. 



1. D. FULLONUM L. Flowers pale. Culti- 

 vated grounds. Summer. Escaped from cuk 

 |iiyation ! Originally Mediterranean, 



