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EXPLANATION OF PLATE VIL 



L The Chickweed Tribe. — A ^ieca of the Glaucous Pink. — 1. 

 A petal apart; on its stalk is a curious double raised plate. — 2. The 

 stamens and two stigmas, as seen when the calyx and coroUa are cut 

 off; a is the stalk of the ovary. — 3. A perpendicular section of an 

 ovary, shewing the central receptacle, a, on which the ovules grow. 

 — 4. The ripe fruit invested with its calyx, and having the bracts a 

 at the base. — 5. A seed. — 6. The same divided perpendicularly, so 

 as to shew the embryo. — 7. An embryo taken out of the seed. — A. 

 a seed of another plant, Batchelors Buttons (Lychnis dioica), cut 

 through perpendicularly, and shewing the curved embryo; a albumen. 



n. The Purslane Tribe. — A leaf and a portion of a flower- 

 branch of Large-fimuered Calandrinia. — 1. A flower-bud, with the 

 sepals, and the corolla peeping through it. — 2. The stamens and 

 pistil. — 3. A perpendicular section of the ovary, shewing the central 

 receptacle on which the ovules grow. — 4. A fruit beginning to open, 

 with the two sepals by which it is protected. — 5. A seed, with a 

 portion of its stalk, — 6. The same cut through, to shew the embryo 

 and the albumen, a. 



