REFERENCES 12*J 



tissues. Draw, showing eellular detail, a narrow sector throngh 

 tlie tliin portion of the blade. This drawing should include a 

 vein. Label all cells and important structures. 



2. Draw in detail the cellular structure of a small sector 

 through the corn leaf. This drawing should include a group of 

 bulliform cells and at least one well-developed vein. 



3. Prepare diagrams to illustrate the structure and the 

 arrangement of tissues in the bud scale of some angiosperm and 

 in the foliage leaves of Piniis. 



4. Outline the differentiation of a "typical" dicotyledonous 

 leaf, such as Nicotiana or PcJar(j(nnnm (cf. Foster, 1936). 



5. Explain what is meant by tlie expressions "sun leaves" 

 and "shade leaves," (Cf. Ilaberlandt, pp. 295-297.) 



REFERENCES 



1. Arber, A.. The Interpretation of Leaf and Root in the Angio- 

 sperms. l^,iol. Kev. 16 :8l-l()r). 1941. 



2. Chamberlain, C. J., Gymnosperms, Structure and Evolution. 

 Chicago, 1935. 



3. Cross, G. L. Development of the foliage leaves of Tajochum 

 distichum. Amer. Jour. Dot. 27 :471-482. 1940. 



4. . Some histogenetic features of the shoot of 



Crypiomcria japonica. Amer.' Jour. Bot. 28:573-582. 1941. 



5. Eames and MacDaniels, Ch. XII. 



6 Foster, A. S., Salient Features of the Problem of Bud-scale 

 Morphology. Biol. Rev. 3 :r23-164. 1928. 



7. , , Leaf Differentiation in Angiosperms. Bot. 



Pvev. 2:349-'372. 1936. 



8. Ilaberlandt, Ch. VI. 



9. Ilavward, Ch. Ill, pp. 75-87. 



10. Jeffrey, Ch. XIV. 



11. Meyer, F. J., Das trophische Parencbym. A. Assimilations- 

 gewebe. Ilandb. d. Pflanzenanatomie. IV. Berlin, 1923. 



12. Pfeiffer, II. Die pflanzlichen Trennungsgewebe. Ilandb. d. 

 Pflanzenanatomie. V. 1928. 



13. Troll, W., Vergleichende Morphologic der hoheren Pflanzen. 

 Bd. i. Zweiter Teil. 1-4. Lieferung. (Morphologic des 

 Blattes) Berlin, 1938-39. 



