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462. Dammer. Udo. Beiträge zur Keuntuis der vegetativen Organe vonLimnobium 

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463. — — Die extrafloralon Nektarieu von Sa »ibucus nigra. — üsterr. Bot. Zeitschr. 

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464. — — Etwas über den Blütenduft. - Gartenflora. 1892. Heft 10. p. 257-261. 



465. — — Einige Beobachtungen über die Anpassung der Blüten von Eremurus 

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466. — — Pol ygonaceae. — Eugler und Prant!. d. nat. Pflanzenfonn. III. 1. a. p. 

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467. — — Batidaceae. - a. a. 0. III. la. p. 120. — Ref.: B. Jb. 1893 I. p. 340. 

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468. Darwin, Charles. On the Agency of Bees in their Fertilisation of Pai»iliona- 

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469. — — Fertilisation of Vincas. — Gard. Chron. 1861. p. 552, 831, 832. 



470. — — On the two Forms, or Dimorphie Condition, in the Species of Primula 

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471. — — On the three Remarkable Sexual Forms of Catasctum tridentatum. — 

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472. — — On Various Conlrivauces by which British and Foreign Orchids are 

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473. — — Observations sur Theteromorphisme des fleurs. — Ann. des. Sei. Nat. 

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474. — — On the Existence of two Forms and on their Reeiprocal Sexual Relation, 

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475. — — On the Sexual Relations of the three Forms of Lythrum Salicaria. — 

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476. — — The Variation of Plants and Aninials under Domestication. — London 

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477. — — Notes on the Fertilisation of Orchids. — Ann. and Mag of Nat. Hist. 

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478. — — On the Character and Hybrid-like Nature of the Offspring from the 

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479. — — On the Specific Differences between P r i m u 1 a v e r i s Brit. FI. (var. 

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480. — — Fertilisation of Leschenaultia. — Gard. Chron. 1871. p. 1166. 



481. — — Fertilisation of Fumariaceae. — Nature, Vol. IX. 1874. p. 460. 



482. — — The Effects of Cross-and Self-Fertilisation in the Vegetable Kingdnni. 

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483. — — On the Various Contrivances by which Britibh and Foreign Orchids are 

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