— 226 — 



. ; ì: 1'. W. — On fhe fior,'/ Biology <>f « Episcia Maculata »; Ref.: B. Jb. 

 B90, I. p. 503. 

 Pammbl L. II. — Perforation of flowers ; Trans, of. the St. Louis Acad. ot* 



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 Paxdian] A. — / fiori e gl'insetti; Genova, Cimìnago, 1904. 

 Pasquale 1'. — Svila impollinazione nel • 1'' ntstemon gentianoides Lindi. »; Atti 



•. internaz., Genova, L892. 

 Penzig • ». — NoU di Biolog. vegetale ;Malpigbia Vili, pp. L66-476; Ref.: B. Jahrl». 



LS94, I. 2, p. 286. 

 Ponzo A. — L'auto//amia nelle piante fanerogame; Bull. Soc. Bot Italiana, 



12 marzo 1905; III. 1. e. Giug. 1906. 

 Prunei A. — Contributions '<> Vètude des relations entre les pianti* ,t les in- 



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 Rathay E. — Uéber nectarabsondernde Trichome einiyer Melampyrum-Arten; 



Sitzb. d. K. Akad. d. Wissensch. Bd. LXXXI, I Abt., Febr. Eeft, Jahrg. 

 30. 

 bd Minmk. — Cross-fertilisation of Petunias; Bot. Gaz XIX. 1894, p. 836; 



Ref.: B Jb. 1894, I, 3, p. 289. 

 Ric< \ L. Osservaz. sulla feconda-:, incrociata dei vegetali alpini e subalpini; 



Atti Soc. it. .li Se. nat., v. XIII. 3; XIV, 3. 

 Rizzattj F. — La Calceolaria; Natura ed Arte, Vallardi, Milano, fase. 16, V, 



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 >1. 

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— The philosophy of fiower seasons and the phaenological relations <</' ^"' ''"- 



tophilous Flora and the antophUous insect /duna. Am. Naturàlist XXIX. 

 2, L895, pp. i)7-ll7: ìlei.: B. Jb. 1896, 1, p. L02. 



\ Wirt. — .1 Trip after « Papilio homerus >: Entomol. News XIV, 

 1903, pp. L7-21. 

 Rydeb J. A. — Bees gathering Honey frani the Catalpa; Am. Nat. XIII, LO, 



1879, p. 648. 

 Schnrck .1. — Proterogyny in * Datura meteloides ••> ; Bot. Gazette, XII, L887. 

 54. 



— Mutilation of Flowers />;/ hisrcts : Bot. <;a/.<ttr. XIII, p. 89. 



Further notes <m mutilation of flowers by Tnsects; Bot. Gaz. XVI, il. p. 312. 

 ScnROTTKì ' '. — Biolog. Notizen solita rer Bienen fan si. l'aula Brasilien : 

 Allg Zeitschr.f. Entom. VI, L901, N. 14-16, pp. 209-216; Ref.: B. Centralbl. 

 Bd. 88 (1901;, p. 

 Sem i/ A.— Beitr. .ur Kenntniss der Bestdubungseinricht. \ind Oeschlechters- 

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 17 [1890). 

 Schumann K. — * Bignoniac< . Engl. a. Prant, Nat. Pflanzef; IV,:!';. 1894; 

 Bot. Jahresb. 1894, I. B, p. 



n G V - Omithophilous Flowers in South-Afrika ; Ann. of Bot, 

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— Notes "a the Fertilization of South-Afrikan and Madagascar flowering 



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 ■ Q — The fertilization af fin- Trumpei < Tecoma radicans » ; 



VI. 



