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1662. Meehan, Thomas. Contributions to the life histories of plants VIH. — Pro- 

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1663. — — On the relations between insects and the form and character of flowers. 



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1664. — - Heliauthus mollis. — The Botanical Gazette. XVI. 1891. Nr. 11. 

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1665. — — On Self-pollination in Amsonia Ta bernaem on tana. — Annais and 

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1666. Contributions ... Nr. IX.— A. a. 0. 1893. — 1. Populus tremuloides. A mo- 

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1667. — — The occasional cross. - Bot. G. XVII. 1892. p. 420-421. — Ref.: B. 

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1668. — — The Significance of Cleistogamy. — Gard. Chron. 1892. p. 398. — Ref.: 

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1669. — — Notes on Mpnarda fistulosa. - Proc. Acad. Nat. Sc. Philadelphia 

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1670. — — Contribution to the life histories of plants. Nr. X. — A. a. O. 1894 The 

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1671. — — Contributions ... Nr. XI. — A. a. 0. 1894. - On Bees and Honey- 

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1672. — — Contributions to the life histories of plants. Nr. XII. — Proc. Ac. Nat. 

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1673. Meetkerke, C. E. Insects and flowers. — Pharm. .Tournal and Transact. XVI. 

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1675. Memminger,E. R. Humble-bees and Rhodod e n d r o n nudiflorum. — 

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1676. Merritt, Alice J. Notes on Fertilization. — Zoe III. 1893. p. 311—312. — 

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1677. — — Notes on the poUinisation of some Californian mountain flowers — 

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1678. Mesuard, E. Recherches sur le mode de production du parfum dans les fleurs. 



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1679. — — La mesure de I'intensite des parfums des plantes. (Paris) 1894 8". 

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1680. Meyer. W. Befruchtung der Ol) st bäume im Treibhaus durch Bienen. - Die 

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1683. Mezard. Considörations generales sur la fecondation artificielle. — Ann. de 

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