37* AN EXPLANATION OF 



Drupa, a pulpy pericarpium without valves, containing 

 a stone or nut (633) 



613 Succulenta, containing a pulpy humour. 



614 i Sicca, opposite to the foregoing, dry. 



6] 5 Pomum, an apple, a fleshy pericarpium without valves, 

 containing a capsule. 



616 Bacca, a berry, a pulpy pericarpium without valves con- 



taining naked seeds. 



617 Nidulantia semina, seeds nestling in the pulp of a berry. 



618 Strobilus, a pericarpium formed from an Amentum, with 



hard scales lying over each other, as in the pine tree. 



619 Semen, seed, the rudiment of a new plant ; seeds are 



known according to their number, figure, superficies, 

 and consistence. 



620 Hilum, the eye, an external scar of the seed, where it 



has been fixed to the fruit or receptacle. 



621 Corculum, the essence of anew plant within the seed. 



622 Plumula, part of the Corculum, the ascending scaly 



part of the plant. 



623 Rostellum, the descending part of the Corculum that 



forms the root. 



624 Cotyledon, the side lobes of the seed of a porous sub- 



stance, and perishing. 



625 Corona, a crown, a little cup adhering to the top of 



the seed, by which it flies. 



626 Pappus, a downy feathered cup, adhering to the top of 



the seed, by which it flies. 



627 * Stipitatus, a kind of thread-like trunk, ele- 



vating the down, and connecting it with the 

 seeds. 



628 . Capillaris, hairs undivided. 



629 -- Plumosus, having feathery hairs. 



630 Cauda, thread terminating the seed. 



63 1 Hamus, a hooked seed adhering to animals. 

 632 Ala, a membranaceous wing fixed to the seed. 

 .633 Nux, a nut, a seed covered with a bony epidermis, hav- 

 ing one, two, or more cells. 



634 Arillus, the proper exterior coat of a seed that falls off 



spontaneously, and is either cartilaginous, or succu- 

 lent. 



635 Receptaculum, the base by which the parts of fructifi- 



cation are connected. 



636 .1 Commune, containing many "flowers and 



fruit. 



637 



