1893. AYE RIDTTY IN PEANT S. 28 
vol. cxiv., 1892, p 504; Chmielevsky (Spirogyra), Bot. Zeitung, 1890, p. 773; and 
‘“Materialen zur Morph. und Phys. des Sexualprocesses bei den niederen 
Pflanzen,” Kharkoff, 1890; Cobelli (Brassica and Primula), <Abhandl. 
Zool.-Bot. Gesell. Wien, 1890, p. 161, and 1892, p. 73; Correns (Aristolochia, 
Salvia and Calceolaria), Pringsheim’s Jahrb., vol. xxii, 1890, p. 161; 
Coulteu and Kearney (cleistogamous flowers), Bot. Gazette, 1891, p. 314, and 1892, 
p. 91; Cunningham, ‘‘ Phenomena of Fertilisation of Ficus Roxburghii,’’ Calcutta, 
1889; Delpino (cross-fertilisation), Malpighia, 1890, p. 24; Delpino (pollination of 
Gymnosperms), Malpighia, 1890, p.3; Dodel, ‘‘ Beitrage zur Kenntniss der Befruch- 
tungs-Erscheinungen bei Iris sibirica.’’ Zurich, 1891; Focke (hybridisation and 
fertilisation of horse-chestnut), Abhandl. Bot. Ver. Brandenburg, 1890, p. 108, and 
Abhandl. Naturw. Ver. Bremen, 1890, p. 413; Guignard (impregnation and tinoleu- 
cites); Buil. Soc. Bot. France, 1889, p. c., and Comptes Rendus, vol.cx., 1890, Pp. 590; 
vol. cxii., 1891, pp. 539, 1074, 1320, and Anm. Sci. Nat. (Bot.), vol. xiv., 1891, p. 162; 
Haberlandt (Spirogyra), Sitzb. Akad. Wiss. Wien, vol. xcix., 1890, p. 390; Halsted 
(Berberis and Portulaca), Bot. Gaz., 1889, p. 201, and Bull. Bot. Deptmt. Agric. Coll. 
Iowa, 1888; Harvey and Armstrong (Physianthus), Proc. Canadian Inst., 1890, pp. 
226 and 230; Hansgirg (sensitive stamens), Bot. Centralbl., vol. xlili., 1890, p. 409; 
Hill (cross- and self-fertilisation), Bull. Torrey Bot. Club, 1891, p. 111; Karsten 
(Gnetum), Bot. Zeitung, 1892, p. 205; Kellgren (lepidopterophilous flowers), Bot. 
Centralbl., vol. xlvi., 1891, p. 317; Kirchrer, ‘‘ Beitrage zur Biologie der Blithen,’’ 
Stuttgart, 1890; Klebahn (Oedogonium), Pringsheim’s Jahrb., vol. xxiv., 1892, Pp. 235; 
Klebs (Hydrodictyon), Biol. Centralblatt, 1889, p. 609, Flora, 1890, p. 351, 
and Bot. Zeitung, 1891, p. 789; Knuth (various papers on pollination), 
Bot. Jaarb. (Gent), 1891, and in Bot. Centralbl., 1889-92; Kronfeld (vine), 
Ber. Deutsch. Bot. Gesell., 1889, p. 42; Lindman (mistletoe) Bot. Centralbl., 
1890, p. 241; Loew (various .papers on pollination), <Abhandl. Bot. Ver. 
Prov. Brandenburg, 1889; Bot. Centralbl., 1890; Flora, 1891; Pringsheim’s Jahrb., vol. 
xxii. and xxiii., 1891; M‘Leod (Belgian and Pyrenean flora), Bot. Faarb. (Gent), 
1889 and 1891; Meehan (various papers on self-fertilisation and on cleistogamous 
flowers), Bot. Gazette, 1891, and Proc. Acad. Nat. Sci. Philadelphia, 1890-92; 
Millardet (hybridisation of vine), Mem. Soc. Sci. Phys. et Nat. Bordeaux, 
1891, p. 301; Moebius (non-sexual propagation), Biol. Centralbl., 1891, p. 129 
Moebius (influence of external conditions on flowering), 7b., 1892, p. 609; Musset 
(Gladiolus), Comptes Rendus, vol. cviii.,1889, p. 905; Overton, ‘‘ Beitrage z. Kenntniss 
d. Entwickelung und Vereinigung bei Lilium Martagon,” Zurich, 1891; Rathay, 
‘‘Die Geschlechtsverhaltnisse der Reben,’’ Wien, 1889; Reed (Petunia), Bot. 
Gazette, 1892, p. 73; Ridley (Bulbophyllum), Ann. of Bot., vol. iv., 1890, p. 327; 
Riley (fig), Bot. Gazette, 1892, p. 281; Riley (Yucca), Annual Rep. Missouri Botanic 
Garden, 1892; Rimpau, ‘‘ Kreuzungsproducte landwirth. Cultur-pflanzen,” Berlin, 
1891 ; Robertson (various papers on pollination), Bot. Gazette, 1889-1892, and Tvans. 
Acad. Sci. St. Louis, 1892; Rolfe (Catasetum), Fourn. Linn. Soc. (Bot.), vol. xxvii., 
1890, p. 206; Rosen (cross- and self-fertilisation), Bot. Zeitung, 1891, p. 201; Rosen 
(staining reactions of sexual cells), Cohn's Beitrdge, vol. v., 1892, p. 443; Schottlander 
(sexual cells of Cryptogams), Ber. Deutsch. Bot. Gesell., 1892, p. 27, and Cohn’s Beitrage, 
vol. vi., 1892, p. 267; Schulz (pollination) Luerssen and Haenlein’s Bibliotheca Botanica, 
pt. 17, 1890; Schulz (sexual. organs), Ber. Deutsch. Bot. Gesell, 1892, p. 303; Scott 
Elliot (ornithophilous flowers), Ann. of Botany, vol. iv., 1890, p. 259; Scott Elliot 
(South Africa and Madagascar), i)., vol. v., 1891, p. 335; Terraciano (Nigella), 
Bull. Soc. Bot. Ital., 1892, p. 46; Treub (Casuarina), Ann. Fard. Bot. Buitenzorg, vol. 
x., 1891, p. 145; Van Tieghem (tinoleucites), Morot’s Fourn. de Bot., 1891, p. 101; 
Voegler (antherozoids of Cryptogams), Bot. Zeitung, 1891, p. 641; Warming 
(Scrophulariaceez), Bot. Tiddsky., 1889, p. 202; Warming (Caryophyllacez), Bot, 
Foren. Festky. (Copenhagen), 1890; Wildeman (tinoleucites), Bull. Acad. Roy. Sci. 
Belgique, 1891, p. 594; Wilson (Albuca), Bot. faarb. (Gent), 1891; Buchenau 
(Juncaceze) Pringsheim’s Fahrb., vol. xxiv., 1892, p. 363; Jordan (Echium), Ber. 
Deutsch. Bot, Gesell., 1892, p. 583. 
ALFRED W. BENNETT. 
