1897] MICROSCOPICAL JOURNAL. 313 



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

 lower ro\^, cells of embryo. Figures on right of plate, mucilage cells wheu 

 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 uud Btwickelungsgeschichte 

 der Wandverdickungen in den Samenoberhautzellen ein- 

 iger Cruciferetj. Inaugural Dissertation. Separate from 

 Pringsheim's 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 uaturelles 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. Anatomiscber Atlas zur pharmaceutischen 

 Waarenkunde, Berlin, 1865. 



5. Caspary, R., Genera 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 uud Physiologische 

 Untersuchong uber den Funiculus der Samen. Inagu- 

 ral Diss. Erlangen. Separate from Pringsheim's Wiss. 

 Bot. Vol. xxiii. Heft 3, pp. 38. PI. xx, xxi, xxii. 



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

 feres, p. 39. 



9. Detmer, W., Physiologische chemische Unter- 

 suchung uber die Keimung oelhaltiger Samen uud die 



