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nivent, opening by apical pores. Fruit an Qo- 

 seeded berry. 



1. S. NIGRUM 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 Californian 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. — U- 

 ^ . Common. FJowering at all seasons. The 

 berries of this species are at least suspicious. 

 2. Datura L. Thorn-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 go, minute. 



