This section is from the book "Plants And Their Uses - An Introduction To Botany", by Frederick Leroy Sargent. Also available from Amazon: Plants And Their Uses; An Introduction To Botany.
Part 133. The nightshade family (Solanaceae). Examples: white potato (Figs. 58 I-III), tomato (Figs. 88, 89), egg-plant (Fig. 90), red pepper (Figs. 125 I, II, 126), tobacco (Fig. 173), belladonna (Fig. 175), and jimson-weed (Figs. 187 I, II).
No new signs appear in the formulas of Nicotiana. Datura, Atropa, Capsicum, Solanum, and Solanaceae on pages 416, 417.
This large family may be distinguished as consisting of mostly rank-scented, round-stemmed, herbaceous plants, with watery sap; leaves alternate, exstipulate; flowers regular or nearly so; the corolla gamopetalous, plicate-convolute, or plicate-valvate; ovary two-celled; fruit a capsule or berry containing many small albuminous seeds with the embryo coiled.
Part 134. The figwort family (Scrophulariaceae) is exemplified by the foxglove (Fig. 192).
See the formulas of Digitalis and Scrophulariaceae on pages 416, 417.
Round or square-stemmed, herbaceous or woody plants not strongly scented; the juice watery and often bitter; leaves alternate, opposite or vertidllate, exstipulate; flowers irregular; corolla gamopetalous, imbricate in (Estivation; stamens two to five, mostly four; ovary two-celled; fruit a septicidal or loculicidal capsule, containing many small albuminous seeds with the embryo uncoiled.
 
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