i6o MORPHOLOGY OF GYMNOSPERMS 



25. Webber, H. J., The development of the antherozoids of Zamia. Bot. 

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26. , Notes on the fecundation of Zamia and the pollen tube apparatus 



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27. Ikeno, S., Untersuchungen iiber die Entwickelung der Geschlechtsorgane 

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30. WoRSDELL, W. C., The anatomical structure of Bowenia spectabilis. Annals 

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31. Life, A. C., The tubercle-like roots of Cycas revoluta. Bot. Gazette 31 : 

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32. Webber, H. J., Spermatogenesis and fecundation of Zamia. U.S. Dept. 

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33. Coulter, John M., and Chamberlain, C. J., The embryogeny of Zamia. 

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34. Enrico, C. V., Contribuzione alia conoscenza della morphologia e dello 

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35. Matte, H., Une anomalie de structure dans I'ecaille ovulifere de Cerate- 

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36. Oliver, F. W., The ovules of the older gymnosperms. Annals of Botany 

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37. CoKER, W. C, On the spores of certain Coniferae. Bot. Gazette 38:206- 

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38. Coulter, John M., and Chrysler, M. A., Regeneration in Zamia. Bot. 

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39. Jltel, H. O., LTeber den Pollenschlauch von Cupressus. Flora 93:56-62. 

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40. Matte, H., Recherches sur I'appareil libero-ligneux des Cycadees. pp. 233. 

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41. Smith, Isabel S., The nutrition of the egg in Zamia. Bot. Gazette 37:346- 

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42. Stores, Marie C, Beitrage zur Kenntniss der Fortpflanzungsorgane der 

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43. Matte, H., Complements a la structure meriphytaire du Bowenia spectabilis 

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