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EXPLANATION OF PLATE V. 



L The Passion-Flower Tribe.— 1. A full-blown flower of the 

 Laurel-leaved Passion-flower ; a the involucre, b the sepals, c the 

 petals. — 2. A column of stamens; «the last ring of the rays. — 3. A 

 ripe fruit of the Red-stemmed Passion-flower. — 4. The same cut 

 through, to shew the manner in which the seeds are attached. — 5. A 

 seed, natural size, with its arillus on. — 6. The same, with the arillus 

 stripped back. — 7. A seed magnified, with the arillus on. — 8. The 

 same with the arillus off"; shewing the sculptured seed-coat. — 9. A seed 

 cut through ; the embryo is seen lying in the midst of albumen in 

 small quantity. — 10. An embryo extracted from the seed, with its 

 broad leaf-like cotyledons, and small tapering radicle. (N. B. These 

 are copied from drawings by Mr. Ferdinand Bauer.) 



n. The Tutsan Tribe. — 1*. A flower-bud of Ta/Z Tm^^cw, shew- 

 ing the calyx. — 1**. A view of the manner in which the sepals are 

 respectively arranged when the bud isyoung. — 2. A full-blown flower. 

 — 3. One of the fiveparcels of stamens. — 4. A pistil. — 5. A fruit three- 

 quarters ripe. — 6. The same cut through, to shew how the inside is 

 arranged. — 7. The ripe fruit separating into its constituent carpels; 

 which leave behind three pieces of their edge, in the shape of three 

 narrow plates, to which the seeds once grew. — 8, A seed very highly 

 magnified. — 9. A section of the same, shewing the two cotyledons, 

 and a, the thickness of the crest. 



