136 



19. After the formation of the seed coat uutritive material passes 

 from the parenchyma of the funiculus by diffusion through the columnar 

 cells of the seed coat into the tracheid-like cells, which partly distribute it 

 to the surrounding tissue and partly pass it on through a vascular bundle 

 to the chalazal region of the embiyo sac. 



BiBLIOCiRAPHY. 



1. Coulter, J. M. and Chamberlain, C. J., Morphology of Angiosperms, 



1908. 



2. Goebel, Outlines of Classification and Special Morphology; English 



translation, 1887. 



3. Gray, Structural Botany, 1880. 



4. Guigruu'd, Recherches d'embryogenie vegetale comparee. I. Legumin- 



euses. Ann. Sci. Nat. (Bot). VI, 12:5-166, 1881. Review in Jour- 

 nal Microscopical Society, 1882, Part II, 644, and Bot. Cent. 

 12:86, 1882. 



5. Ikeda, T., Studies in the Physiological Functions of Antipodals and 



Related Phenomena of Fertilization in Liliaceae I. Tricyrtis hirta. 

 Bull. Coll. Agric, Imp. Univ. Tokyo. 5:41-72, 1902. Ref. in 

 Chamberlain, Morphology of Angiosiierms 111, 1903. 



6. Kirkwood, J. B. and Gies, W. J., Chemical Studies of the Cocoanut. 



Bull. Tor. Bot. Club 79: 1902. 



7. Wylie. Bot. Gaz. 37: 1904. 



8. Zimmerman Botanical Microtechnique, 1901. 



Explanation of Figures. 



1. Stem tip (a) showing origin of flowers (f) in axils of bracts (B) 



X 125. 



2. Stem tip, later stage, showing origin of flowers and the primordia of 



the floral organs; (f) flower, (B) bract, (S) sepal, (St) stamen, 

 (c) carpel. X 125. 



3. Single flower at a slightly later stage when the petal (P) appears. 



X 125. 



4. Still later stage, indexed as above. The stamens and carpel are en- 



larging while the petals remain small. X 125. 



5. Later stage, the cavity of the ovary appearing; (M) microsporangium. 



X 125. 



