THE AMERICAN NATURALIST. [Vol. XXXVII L 



Literature on the Plant Cell. 



Reference to special papers will be given by the authors name 

 and the date of publication through lists presented at the end of 



There is no comprehensive treatise devoted to the plant cell 

 but the following general accounts and reviews of the literature 

 are important. 



1. Strasburger in the LeJirbuch der Botanik and Pfeffer 

 in his Physiology of Plajits present the best general accounts 

 of the structure and activities of the plant cell. 



2. Zimmerman in 1893 and '94 Beihefte zum Botanischen 

 Centralblatt " vol. 3 and 4), reviewed the literature on the plant 

 cell under the title " Sammel-Referate aus dem Gesammtgebiete 

 der Zellenlehre " and in 1896 collected the literature dealing 

 with the nuclei of plants in a book entitled Die MorpJiologie 

 unci Physiologie des pflanzlichen Zellkernes, Jena, 1896. 



3. Dangeard discusses a number of cytological topics in the 

 6th series of Le Botaniste (1898) with especial reference to 

 his studies on the Chlamydomonadineae. 



4. Fischer, Fixinmg Farbung und Ban des Protoplasnias 

 Leipzig 1899, presents a critique of the methods of cytological 

 research and the justification of the conclusions based thereon. 



5 . The most recent analysis of conspicuous activities of the 

 plant cell is that of Strasburger Ueber Rcductiojistheilung, 

 Spindelbildiing Centrosomen und Cilienbildner im Pflanzen- 

 reicJi, Histologische Beitriige VI, 1900.^ 



Section L Structure of the Plant Cell. 



It is customary to apply the term cell in Botany not alone to 

 the protoplasmic units of organization but also to the enclosing 

 wall that generally surrounds the protoplasm. Indeed these 

 walls alone when entirely emptied of protoplasm in specialized 



1 To this list should be added an excellent concise review by Koernicke entitled 

 "Der heutige stand der pflanzlichen zellforschung " ^^r. d. deut. bot. Gesell 21, 

 (66), 1904. This article appeared too late to be quoted in the earlier papers of 



