FRUCTIFICATION, OR FLOWER AND FRUIT. 23 



originate either from the margins or centre of 

 each valve, or from the central column, except 

 when single or solitary. Utriculus is a thin blad- 

 dery, dry, single-seeded Capsule without valves. 

 Achenium of Richard is the same thing, whether 

 membranous, or coriaceous, or even woody. 

 Samara a compressed, dry Capsule, of 2 cells, 

 without valves, often winged. Folliculus a leathery 

 or woody Capsule, of one valve, bursting length- 

 wise, with marginal Seeds. Coccum, one portion 

 of an aggregate, dry, elastic, bivalve Capsule, as 

 in Euphorbia y and the Ilutaceous order. An un- 

 necessary term. 



2. Siliqua, a Pod, a long, dry, solitary Seed-vessel 

 of two valves, with an intermediate parallel sin- 

 gle partition, whose edges bear the numerous 

 Seeds. Silicula, a Pouch, is only a shorter or 

 rounder Siliqua, with fewer Seeds. 



3. Legumen, a Legume, a solitary Seed-vessel, of 

 two valves, without any separate longitudinal 

 partition, and bearing the Seeds along one of its 

 margins only. 



4. Drupa, a Stone-fruit, is fleshy, sometimes dry, 

 containing one hard or bony Nut, of one or more 

 cells, and as many kernels. 



A Pomum, an Apple, is fleshy, containing a Cap- 

 sule, with several Seeds. 



6. Bacca, a Berry, is fleshy, sometimes dry, con- 

 taining one or more Seeds, enveloped with pulp. 



