584 EFFECT OF COCAINE ON GROWTH OF LUPESTUS 



3. Crocker, W. M., and Knight, L. I., Plant World, 1909, xii, 83. 



4. Crocker, W. M., Knight, L. I., and Rose, Science, 1910, xxxi, 636. 



5. Grafe, B., Ernarhrungsphysiologisches Practikum hoherer Pflanzen, Berh'n, 



1914,392. 



6. Otto, R., and Kooper, W. D., Landw. Jahrb., 1910, xxxix, 397. 



7. Shive, J. W., Physiol. Research, 1915, i, 327-397. 



8. Macht, D. I., and Bloom, W., Arch, internal. Pharmacod., 1920, xxv, 8. 



9. Kubota, S., and Macht, D. I., J. Pharmacol, and Exp. Therap., 1919, xiii, 31. 



