306 ME. A. S. HOENE— A CONTRIBUTION TO 



116. Wangertn, W. — Gairyacese^ Nyssacese, AlarijiiaccDe, and Covnaceaj, in Engler's Das Pflanzen- 



reich. Heft 41 (Leipzi-r, 1910). 



117. Die Umgreuzung uud Gliederung der Conianeae. Engl. I3ot. Jahrb. xxxviii. (1906), 



Beibl. n. 86. 



1 18. Warming, E. J. B.— De TOvule. Arm. Sci. Nat., Bot. 6"^' ser. v. (1877) 177-266, t. 7-13. 

 iig. Webb, J. E. — Morphological study of Flowers of Spircsa. Bot. Gazette, xxxiii. (1902) 451-460. 



120. Wettstein, R. von. — Kandbucli der systematisclien Botanik, i. & ii. (1901-08). 



121. WiTTitocK, V. B. Om Limi(P.a borcalis : En jemnforande biologisk, morfologisk cell anatomisk 



undersokning. Botaniska Ncti-er, Lund, (1878) 17-32, 49-54, 83-98, 12.2-127; (1879) 9-20, 

 137-150. 



122. Linncea horealis, L. : Species polymorpha et polycliroma. Act. Hort. Bergiani, iv. n. vii. 



(1907) pp. 187, tt. 13. 



EXPLANATION OP THE PLATES. 



Plate 28. 



^4 



Fig. 1, Cornus Amomum. Young floAver. 



Fig. 2. C. Amomum, Young flower with two petals removed. 

 Fig, 3. C. alba. Fruit. 



■ 



Fig. 4. Marha plafanifolia, • Portion of a very young inflorescence with flowers in a stage prior to 



the development of the ovarian cavity. 

 Fig. 5. M. platanifolia. Single flower older than 4, ovary still undeveloped. 

 Fig. 6. M. jylatanifolia. Portion of a flower slightly older than 5. 



Fig. 7. M, plat ani folia. Flower slightly older than 6^ with some of the petals and stamens removed- 

 Fig. 8. Aucitba himalaica. Normal flower. 

 Fig. 9. A. himalaica. Flow^er with six petals. 

 Pig. 10. A. himalaica. Flower with five petals and one stamen. 

 Pig. 11. A. himalaica. Flowers with petals removed showing bilobed style. 

 Fig. 12. A. himalaica. Flower with petals removed showing three styles. 

 Pig. 13. Garrya elliplica. Female catkin, nat. size. 

 Fig. 14. G. eUipiica, Female flower with one style bilobed. 

 Fig. 15. G. elliplica. Young fruit slightly enlarged. 

 Fig. 16. G. elliptica. Portion of male inflorescence. 



Fig. 17. G. elliplica. Portion of male inflorescence, bracts removed. 

 Fig. 18. G. elliplica. Single flower- 

 Fig. 19. Gyr/inrelii. Portion of male inflorescence, showing one '' flower" with four perianth- 

 segments and nine stamens. 

 Fig, 20. G. Thurdii. Single " flower ^^ with seven perianth-segments and seven stamena. 

 Fig. 21. G. Thuretii. Another " flower" with five perianth-segments and ten stamens 



Fig. 22. G. laurifoU 



(Ar= bract) 



Fig. 23. G. laurifoUa. The same flower, different view. 



Fig. 24. G. laurifulia. Terminal flower. 



Fig. 25. G. launfolia. Lateral Rower. 



Fig. 26. Helwingia ruscifoVia. Trimerous male flower. 



Fig. 27. H. rusci/olia. Tetramerous mule flower. 



