APR 4 1899 



THE HISTOLOGY OF THE CARYOPSIS AND ENDO- 

 SPERM OF SOME GRASSES.* 



L. H. Pammel. 



Quite a number of botanists Iiave given good accounts 

 of the structure of the caryopsis of the economic grasses. 

 Of the writers we may mention Harz,i Hunt,'^ Goodale,^ 

 Hackel,* Jumelle,^ True,^ Blyth/ Tschirch and Oesterle,^ Van 

 Tieghem,'^ Sachs,^° Schenk," Morris and Brown,^^ Trelease,^^ 

 Harshberger,^* Tschirch/* Bessey/^ Nageli/^ Haberlandt/* 

 and Zimmermann.i^ 



* Presented by title to The Academy of Science of St. Louis, Dec. 5, 1898. 



1 Harz. Landwirthschaftliche Samenkunde. Berlin. 2:1235. pi. 135- 

 201. 



2 Hunt, F. L. A Kernel of Indian Corn. Prairie Farmer. 58: 196. — 

 Rep. Board of Trustees of University of 111. 13: 196. 1886. 



3 Goodale, G. L. Physiological Botany. 181. 



■* Hackel, Edward. The True Grasses. (Eng. Trans, by F. Lamson- 

 Scribner and Effle A. Southworth.) 24-25. 



6 Jumelle. Sur la constitution du fruit d. gramin^es. Soc. d. sci. Nancy. 

 Stance 23 Juillet, 1888. (According to Knoblauch. Just. Bot. Jahresb. 16: 

 432. — Also abstr. Bull. Soc. bot. de France. 36. Rev. Bibl. 5. 1889.) 



« True. On the Development of the Caryopsis. Bot. Gaz. 18: 214. pi. 

 24-26. 



7 Blyth. Foods, their compositions and uses. 216. (4th ed.) 



8 Tschirch, A. und Oesterle, 0. Anatomischer Atlas der Pharmakognosie 

 und Nahrungsmittelkunde. 9. pi. 41, 42, 48, 44, 4.5. 11. pi. 52, f. 5. pi. 



53 f. 5-7 . 



9 Ann. Sc. Nat. Bot. V. 16: 246. i" Sachs. Bot. Zeit. 1862: 146. 



11 Schenk. Anatomisch-physiologische Untersuchungeu. AVien. 1872. 



12 Jour. Royal Chem. Soc. 67:458. 



13 Bull. Univ. of Wis. Agrl. Exp. Sta. 5: 7-10. /. 1-3. 1885. 

 1* Contr. Bot. Lab. Univ. Penn. 1: 85. 1893. 



15 Angewandte Pflanzenanatomie. Wien u. Leipzig. 543. /. 1-614. 1889. 



16 The structure of the wheat grain. Bull. Neb. Agrl. Exp. Sta. 100-114. 

 f. 1-15,116}. 1894. 



" Die Starkeki)rner. Pflanzenphys. Unt. Nttgeli u. Cramer. Ziirich. 2: 

 10 + 624. iOjoL 1858. 



i« Physiologische Pflanzenatoraie. 358, 211. (2nd ed.) 



19 Ueber mechanische Einricbtungen zur Verbreituog der Samen und 

 Friichte mit besouderer Beriicksichtigung der Torsion^erscheinungen. In- 

 augural-Dissertation. Pringsh. Jahrb. f. w. Bot. 12: 542-577. pi. 34-36. 



1881 Separate 41. 



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