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EXPLANATION OF PLATE XXXIX. 



I. The Flax Tribe. — L A twig of peremiial Flax (Linum 

 perenne). — 2. A magnified flower, from which the petals have dropped 

 off. — 3. The stamens and styles ; a a teeth representing abortive sta- 

 mens. — 4. The ovary with the bases of the five styles. — 5. A section of 

 the ovary ; a a the imperfect dissepiments. — 6. A ripe seed-vessel, 

 with its valves separated. — 7. A seed. — 8. A section of the same, 

 shewing the embryo. 



II. The Rue Tribe. — 1. Garden Rue (Ruta graveolens). — 2. A 

 magnified flower, without the petals ; a the ring of pits above the 

 stamens. — 3. A section of the ovary ; a the gynobase, h the placentae. 

 — 4. A seed-vessel, from which the seeds have fallen ; a the coccoons, 

 b the gynobase. — 5. A ripe seed. — 6. The same cut longitudinally to 

 shew the embryo and albumen ; a the hilum. — 7. The tip of a leaf, 

 with its pellucid dots. 



