692 BOTANY 



deutsch. bot. Gesellsch. vol. xxi. (1903), p. 82. KOERNICKE, Centrosomen bei 

 den Angiospermen ? Flora, vol. xcvi. 1906, p. 501. C 32 ) Cf. on the one hand 

 ALFRED FISCHER, Untersuchungen liber den Bau der Cyanophyceen und Bacterien, 

 1897, and Die Zelle der Cyauophyceen, Bot. Zeitg. vol. Ixii. 1905, p. 51, and on 

 the other F. G. KOHL, iiber die Organisation uud Physiologic der Cyauophyceeuzelle 

 and EDGAR W. OLIVE, Beihefte zum Bot. Zentralbl. vol. xviii. 1904, p. 9. ( M > 

 HUGO BE VRIES, Jahrb. f. wiss. Bot. vol. xvi. 1885, p. 465. ( w ) N. GAIDUKOV, 

 Ber. d. deutsch. bot. Ges. 1906, p. 155. ( M ) Most recently PAUL KKETZSCIIMAK, 

 Jahrb. f. wiss. Bot. vol. xxxix. 1904, p. 273. (*) FR. MEVES has given the name 

 of " chondromites " to thicker fibrils of peculiar nature which he has observed in 

 certain cases in the cells which line the pollen-sacs. Ber. d. deutsch. Bot. Ges. 

 1904, p. 284. Cf. also RUDOLF BEER, Beiheft zum bot. Zentralbl. vol. xix. 1905, 

 p. 304, and G. TISCHLER, Jahrb. f. wiss. Bot. vol. xlii. 1906, p. 568. ( 37 ) Cf. on 

 this subject especially ALFRED FISCHER, Fixierung, Farbung und Bau des Proto- 

 plasma, 1899, and ALBERT DEGEN, Bot. Ztg. 1905, Abt. I. p. 202. t 38 ) Cf. the most 

 recent works of GREGOIRE and his pupils as well as those of E. STRASBURGEU. 

 (*) BELAJEFF, Three papers on Sperm atogenesis in the Ber. d. deutsch. bot. Ges. 

 1897, p. 337 if.; IKENO, Jahrb. f. wiss. Bot. vol. xxxii. 1898, p. 557; HIRASE, 

 Journal of the College of Science Tokyo, vol. xii. 1898, p. 105 ; HERBERT J. 

 WEBBER, Botanical Gazette, vol. xxiii. 1897, p. 453, vol. xxiv. 1897, p. 16 and 

 p. 225 ; S. IKENO, Beihefte zum bot. Zentralbl. vol. xv. 1903, p. 65. K. MIYAKE, 

 Bot. Magaz. Tokyo, vol. xix. 1905, p. 98, and Ber. d. deutsch. bot. Gesell. 1906, 

 p. 78. ( 40 ) A. F. W. SCHIMPER, Jahrb. f. wiss. Bot. vol. xvi. 1885, p. 1, and Bot. 

 Ztg. 1880, p. 886. ( 41 ) L. MARCHLEWSKI, Section Chlorophyll in vol. viii. of 

 ROSCOE-SCHORLEMMER, Organ. Cheinie, 1901, p. 83 ; C. A. SCHUNK, Proceed. Roy. 

 Soc. London, vol. Ixv. 1900, p. 177, vol. Ixviii. 1901, p. 474, and vol. Ixxii. 1904, 

 p. 165 ; also A. TSCHIRCH, Ber. d. deutsch. bot. Gesell. 1904, p. 414. ( 42 ) 

 TSCHIRCH, Untersuch. lib. d. Chlorophyll, 1884. ( 43 ) L. MARCHLEWSKI, cf. in* 

 41 ; also W. KUSTEE, Ber. d. deutsch. bot. Gesell. 1904, p. 339 ; L. MARCHLEWSKI, 

 ibid. 1906, p. 146. (**) TH. W. ENGELMANN, Bot. Ztg. 1882, p. 663 ; HANS 

 MOLISCH, Bot. Ztg. 1905, Abt. I. p. 131. ( 45 ) HANS MOLISCH, in 44. C 46 ) C. A. 

 SCHUXK in the last edition of 41, p. 172 ; cf. MOLISCH, Ber. d. deutsch. bot. 

 Gesell. 1896, p. 27 ; TAMMES, Flora, vol. Ixxxvii. 1902, p. 205, and KOHL, Unters. 

 iiber d. Karotin, etc. 1902; A. TSCHIRCH, in 41, p. 417. ( 47 ) Complete literature 

 in Louis GAUCHER, Etude generale sur la membrane cellulaire chez les vegetaux, 

 1904. ( 48 ) PFEFFER, Unters. aus dem bot. Inst. zu Tiibingen, vol. i. 1885, p. .''25 ; 

 G. HABERLANDT, Sinnesorgane im |Pflanzenreich, 1901, p. 126. C* 9 ) W. ROTHERT, 

 Anzeiger der Akad. d. Wis. in Krakau, 1897, p. 11. C ) G. HABERLANDT, Die 

 Lichtsinnesorgane der Laubbliitter, 1905. Cf. also H. R. VON GUTTENBERG, Ber. 

 d. deutsch. bot. Gesell. 1905, p. 265. ( 51 ) Numerous researches of JULIUS WIESNER, 

 collected in his Anatomic und Physiologic der Pflanzen, edition ir. 1898, p. 39 if. 

 and p. 339. C 2 ) GILSON, La cristall. de la cell, in La Cellule, vol. is. 1893, p. 397. 

 ( 53 ) L. MANGIN, Journ. de Bot. vol. vii. 1893, pp. 37, 121, 325. Complete 

 literature to 1904 in Louis GAUCHER in 47. More recently FRIEDRICH CZAPEK, 

 Biochemie d. Pflanz. 1905, vol. i. p. 506. ( w ) GILSON, Rech. chim. sur la Membr. 

 cell, des Champ, in La Cellule, vol. xi. 1894, p. 7. ( M ) FR. CZAPEK in Hoppe- 

 Seyler's Ztschr. f. physiol. Cheinie, vol. xxvii. 1899, p. 141 ; Congres internal, de 

 Bot. Paris, 1900. ( M ) F. C. VON FABER, Ber. d. deutsch. bot. Gesell. 1904, p. 177. 

 ( 87 ) VAN WISSELINGH, Archives Neerland. vol. xxvi. 1892, and vol. xxxviii. 1894. 

 ( M ) Cf. especially Z. KAMERLING, Bot. Zentralbl. vol. Ixxii. 1897, p. >85. (*) 

 KLEBS, Unters. aus dem bot. Inst. zu Tubingen, vol. i. 1885, p. 582. t 60 ) Litera- 



