Oct, 1915.1 //. TARED [.—OH THE QENUS ACHLTS. 185 



Explanation of Plate VII. 

 Illustrating Mr. Takeda's paper on the Genus Achlys 



Figs. 1-29 A. japonica Maxim. 



Very young flower, x-5. 



Flower slightly older with two of stamens quite mature, x5. 



Flower fully open, x5. 



Flower still more advanced than the preceeding, x5. 



Torus seen from above, showing insertion of stamens, xlO. 



Side-view of torus with pistil, xl<>. 



Part of rhachis showing basal part of pleioehasial branch with subtending 



bract, Xl2. 

 Part of rhnchis with bract of pleiochasial branch which is represented by 



rudiment of flower (not visible), Xl2. 

 Young stamen seen from adaxial side, XlO. 

 Do, a side-view, XlO. 



Stamen still older, seen from adaxial side, X 10. 

 13. Do, nearly mature, XlO. 



Mature stamen, showing dehiscence of anther, seen from abaxial side, X 10. 

 Transverse section of young stamen through anther, X 10. 

 Normal flower seen from above, showing insertion of stamens. Pistil has 



been artificially removed, xlO. 

 Normal flower, in side-view, X 10. 

 Normal flower, seen from above, xG. 

 Mature carpel in side-view, X 10. 



Longitudinal section of carpel soon after fertilization, x 10. 

 Transverse section of ovary, x75, a. = ventral suture, b.= ovary wall, c.= 



primine, d. = secuudine, e. = nucellus. 

 Fig. 22. Part of inflorescence showing a normal flower on the right and a flower 



with an imperfect flower consisting of rudiment of carpel and three stamens, 



on the left, XlO. 

 Fig. 23. Do, X6. Note a normal flower, a flower consisting of an abortive carpel 



and six stamens, and another with a rudimentary carpel and six stamens. 

 Imperfect flower consisting of a rudimentary carpel and six stamens, X 10. 

 Do, with a rudimentary carpel and three stamens, X 10. 

 -27. Group of flowers with all essential organs artificially removed, showing 

 torus and insertion of stamens, X 20. 

 Side view of fruit, xS. 

 Transverse section of fruit (not mature), XS. 



Figs. 30—36, A. triphylla DC. 



Abaxial view of pistil, X 10. 



Side view of same (slightly older), x 10. 



Normal flower, X 10. 



Adaxial view of fruit, x5. 



Side view of same, x5. 



Longitudinal section of fruit, X8. 



Transverse section of same, X8. 



Fig. 



1. 



Fig. 



2. 



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5. 



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7. 



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9. 



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10. 



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11. 



Figs. 



12 



Fig. 



14. 



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15. 



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16. 



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17. 



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18. 



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19. 



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20. 



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21. 



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24. 



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25. 



Figs, 



, 26- 



Fig. 



28. 



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29. 



Fig. 



30. 



Fig. 



31. 



Fig. 



32. 



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33. 



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34. 



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35. 



Fig. 



, 36 



