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nivent, opening by apical pores. Fruit an co- 

 seeded berry. 



1. S. NIGEUM L. Corolla deeply 5-cleft; 

 white or blue; berry black or orange. 0. 

 Common throughout the year. 



Very variable species. The berries of most, 

 perhaps of all our Calif ornian variations are 

 not poisonous, and are frequently eaten by 

 children. 



2. S. UMBELLIFERUM Esch. C o r o 1 1 a 



merely 5-angled, rotate, blue; berries red. 11 . 



>> . Common. FJowering at all seasons. The 



berries of this species are at least suspicious. 



2. Datura L. THOKN-APPLE. 



Calyx tubular, circumscissile. Corolla fun- 

 nel-shaped, plicate and convolute in aestiva- 

 tion. Anthers dehiscent longitudinally. Ovary 

 spuriously 4-celled. Capsule ovate, septifra- 

 gal. Seeds reniform. 



1. D. STRAMONIUM L. Corolla white, tinged 

 with pale blue. 0. Sunnyside. Summer. 



Poisonous ballast-weed; differs from the Eu- 

 ropean and Asiatic type by the bluish tinge of 

 its corolla. 



3. Nicotiana L. TOBACCO. 



Calyx tubular, peristent. Corolla funnel or 

 salver-shaped. Anthers longitudinally dehi- 

 scent. Ovary 2-celled, oo-ovulate. Capsule 

 septicidal. Seeds oo, minute. 



