1897] MICROSCOPICAL JOURNAL. 313 



row, mucilage cells; third row, thick-walled cells; fourth row, aleurone cells; 

 lower row, cells of embryo. Figures on right of plaite, mucilage cells when 

 moistened. 

 All the figures were drawn to the same scale. — X320. 



A Partial Bibliography on Mustard Seeds. 



The writer wishes to express his obligations to Prof. 

 Wm, Trelease of the Missouri Botanical Garden, who 

 allowed free access to the library of the garden for the 

 purpose of completing this list. 



1. Abraham, Max; Bau und Btwickelungsgeschichte 

 der Wandverdickungen in den Samenoberhautzellen ein- 

 iger Cruciferen. Inaugural Dissertation. Separate from 

 Pringsheim'a Jahrbuecher fur wissenschaftliche Botanik, 

 vol. xvi. pp. 45. 



2. Arbaumont, J. D., Nouvelles observations sur les 

 cellules a mucilage des graines de Cruciferes. Ann. des 

 sciences naturelles Ser. 7, 1893, 'Vol. II. Separate, pp. 

 60. One plate (9). 



2a. Baillon. Histoire des plantes. Vol. Ill, p. 220. 



3. Behrens, The Microscope in Botany. English 

 translation by A. B. Hervey, Boston, 1885, pp. 327-367. 



4. Berg. Anatomischer Atlas zur pharmaceutischen 

 Waarenkunde, Berlin, 1865. 



5. Caspary, R., G-enera Plantarum, Flor. Germ. xvii. 

 Bonn, 1853. 



6. Caspary, R., Bot. Zeit, 1852, p. 663. 



7. Caspary, R., Bot. Zeit. 1854, p. 390. 



8. Dahmen, Max, Anatomische und Physioiogisclic 

 Untersuchuug uber den Funiculus der Samen. Inagu- 

 ral Diss. Erlangen. Separate from Priiig.sjieim's Wiss. 

 Bot. Vol. xxiii, Heft 3, pp. 38- PI- xx, x.xi, xxii. 



8a. DeCandoUe. Memoire sur la Famille des Cruci- 

 feres, [). 39. 



9. Detmer, W., Physiologische chemische Uiiter- 

 suchuu"' uber die Keimun^: oelhaUiy;er Samen und die 



