DESCRIPTION OF THE PLATES. 
Pl. 1. f. 1. A broad Bean ; h. the scar or hilum ; ¢. the shell 
or testa: f. 2. one seed-lobe or cotyledon of a broad Bean, 
exhibiting at c. the heart or corculum, consisting of pl. the 
plumule, and 7. the radicle: f. 3. the same after growing for 
some days; ¢. the cotyledon ; a. shows the part to which the 
other cotyledon was attached ; s. the plumule lengthened into a 
stem ; r. the radicle extended into the roots: f. 4. exhibits the 
main or tap root and rootlets of the round leaved Mallow : f. 5. 
one seed-lobe or cotyledon of an Almond ; r. the radicle: f. 6. 
seed of Spinach cut open, showing at e. the embryo, or young 
plant, consisting of the radicle, plumule, and cotyledons curled 
round a. the albumen : f. 7. a grain of Wheat ; e. the embryo ; 
the rest of the figure being albumen: f. 8. the same cut length- 
ways ; e. the embryo : f. 9. a grain of Wheat after germinating 
some days ; ¢. the cotyledon ; r. the radicles , pl. the plumule ; 
the dotted line shows the extent of the albumen : f, 10. the seed 
of the Barberry cut open ; e. the embryo surrounded by a. the 
albumen. 
Pl. 2. f. 1. Leaf of an Apple Tree, p. the leaf-stalk or petiole ; 
1. the blade or lamina: f. 2. a stem, showing at s. the scars or 
places from which the leaves have fallen off; 5. the buds : f. 3. 
sessile leaves of the yellow Toadflax : f. 4, leaf of the Hearts- 
ease ; 6. the blade narrowing into a small petiole ; st. the stipules 
which are often mistaken in the Violet for the leaf itself: f. 5. 
leaf of a Vine, consisting of five lobes : f. 6. exhibits the cutling 
of the edges or margins of leaves; s. the serrate margin of a 
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