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nivent, opening by apical pores. Fruit‘an ©- 
seeded berry. ; 
1. S.nigrum L. Corolla deeply 5-cleft; 
white or blue; berry black or orange.—©. 
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. Corolla 
merely 5-angled, rotate, blue; berries red.—2. 
%. Common. Flowering 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 estiva- 
tion. Anthers dehiscent longitudinally. Ovary 
spuriously 4-celled. Capsule ovate, septifra- 
gal. Seeds reniform. 
1. D.stramontum L. Corolla white, tinged 
with pale blue.—@®. Sunnyside. Summer. 
Poisonous ballast-weed; differs from the Eu- 
ropean and Asiatic type by the bluish tinge of 
its corolla. 
8. Nicotiana L. Tozacco. 
Calyx tubular, peristent. Corolla funnel or 
salver-shaped. Anthers longitudinally dehi- 
scent. Ovary 2-celled, »-ovulate. Capsule 
septicidal. Seeds, minute. 
