584 WEED FLORA OF IOWA 



0-ENTIANACEAE. 



Guerin, . Developpement et structure anatomique du tegument 



seminal des Gentianees. Compt. Ren. Acad, des Sci. de Paris, 

 vi: 136. 



GRAMINEAE. 



Bessey, C. E. Structure of the wheat grain. Bull. Neb. Agr. Exp. 



Sta. 32 

 Hanausek, T. F. Vorlaufige Mittheilung iiber der von Vogl. in 



der Frucht von Lolium temulentum entdeckten Pilz. Ber. 



Deutsch. Bot. Ges. 16 :203. 1898. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :1145-1349. 

 Hillman, F. H. The seeds of fescue grass and chess. Bull. U. S. 



Dept. Agr., Bur. PI. Ind. 25 -A. 



Holm, Theo. A study of some anatomical characters of N. A. 



Graminese. Bot. Gaz. 16 :166-171, 219-225, 275-281. 17 :358-363. 



20:362-365. 21:357-360. 22:403-406. 

 Jumelle. Sur le constitution des fruit des Graminees. Compt. Rend. 



107:285. 1888. 

 Krutizky. On some peculiarities in the structure of the caryopsis 



of wheat. Just's Bot. Jahresb. 21: (Abt. I) 571. 1893. 

 Moeller, J. Die Mikroskopie der Cerealien. Pharm. CentraUi. 25 : 



507. 1884. 



Pammel, L. H. Comparative anatomy of the com caryopsis. Trans, 

 la. Acad. Sci. 1897. 5. 



The histology of the caryopsis and endosperm of some 

 grasses. Trans. St. Louis Acad. Sci. 1898 :199-220. 

 Pammel, L. H., Weems, J. B., and Lamson Seribner, F. The 



Grasses of Iowa. Bui. la. Geol. Survey. 1 :525. 

 Winton, A. L. The anatomy and microscopic identification of the 

 fruits of darnel and chess. Rept. Conn. Agr. Exp. Sta. 1903. 

 165-174. 



Anatomy of the seed of green foxtail. Rept. Conn. Agr. Exp. 

 Sta. 1902. 352-358. 

 Anatomy of seed of yellow foxtail. Ibid. 1902: 358. 

 Ueber amerikanische Weizenausreuter. Ztschr. Unters. 

 Nahr-Genussm. 6 :433. 



LABIATAE. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :866-870. 



