This section is from the book "A Text Book Of Materia Medica, Being An Account Of The More Important Crude Drugs Of Vegetable And Animal Origin", by Henry G. Greenish. Also available from Amazon: A Text Book of Materia Medica : Being an Account of the More Important Crude Drugs of Vegetable and Animal Origin.
1. Indehiscent Monocarpellary Fruits
{a) The Achene, a superior one-celled, one-seeded fruit with a dry, indehiscent, closely applied but separable pericarp (true fruits of the fig).
(b) The Caryopsis, a superior one-celled, one-seeded, fruit with a dry, indehiscent, inseparable pericarp (Graminaceous fruits).
(c) The Drupe, a superior one-celled, one- or two-seeded, indehiscent fruit with a fleshy or pulpy mesocarp and hard endocarp (prune, pimento, Cocculus indicus).
2. Indehiscent Polycarpellary Fruits
(a) The Nut, a dry, hard, indehiscent, one-celled, one- or two-seeded fruit more or less enclosed in a cupule.
(b) The Schizocarp, an inferior dry, indehiscent fruit, splitting as it ripens into its component carpels, which remain attached to the carpophore (Umbelliferous fruits are two-celled schizocarps).
(c) The Berry, an indehiscent, one or more celled, many-seeded, pulpy fruit (orange, lemon, bitter apple, pomegranate, &c).
3. Dehiscent Monocarpellary Fruits
(a) The Follicle, a superior one-celled, one- or many-seeded fruit dehiscing by one suture only (star anise).
(b) The Legume, a superior one-celled, one- or many-seeded fruit dehiscing by both sutures (senna pod, tamarind).
4. Dehiscent POLYCARPELLARY Fruits
The Capsule, a superior one or more celled, many-seeded, dry, dehiscent fruit (poppy head). Fruits which differ from the capsule in being inferior are often termed capsular (cardamom); the siliqua, a superior, spuriously two-celled, many-seeded, long, narrow fruit dehiscing by two valves from below upwards (mustard) and the silicula, which differs from the siliqua only in being short and broad, are varieties of the capsule.
 
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