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Ernst, Adolf in addressee 
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From:
Charles Robert Darwin
To:
Adolf Ernst
Date:
16 Jan 1878
Source of text:
State Darwin Museum, Moscow (GDM KP OF 8971)
Summary:

Thanks AE for his book [Estudios sobre la flora y fauna de Venezuela (1877)].

Asks whether glaucous plants in Venezuela are more common in drier areas.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Adolf Ernst
Date:
5 Jan 1880
Source of text:
State Darwin Museum, Moscow (GDM KP OF 8972)
Summary:

Has read AE’s paper in Nature [21 (1880): 217] on Melochia, a new family of heterostyled plants, and suggests some crosses to be carried out to determine the fertility of illegitimate seedlings.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Adolf Ernst
Date:
4 Apr 1880
Source of text:
State Darwin Museum, Moscow (GDM KP OF 8973)
Summary:

Thanks for interesting letter; is sure it would be worth while to test fertility of illegitimate offspring of heterostyled plants.

Would welcome any information on occurrence of bloom-covered leaves on dry plains.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Adolf Ernst
Date:
11 Sept 1880
Source of text:
State Darwin Museum, Moscow (GDM KP OF 8974)
Summary:

Thanks for seeds of Cobaea;

was much interested in AE’s article ["On the fertilisation of Cobaea penduliflora", Nature 22 (1880): 148–9] opposing G. E. M. Bonnier’s view ["Les nectaires", Ann. Sci. Nat. (Bot.) 6th ser. 8 (1879): 6–212].

Case of Lisianthus is an excellent one of structure and movement of parts adapted to cross-fertilisation.

Asks whether worm-castings are found in the area.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Adolf Ernst
Date:
3 Apr 1882
Source of text:
State Darwin Museum, Moscow (GDM KP OF 8975)
Summary:

Edmond Perrier of Paris would be pleased to receive earthworms collected in Venezuela.

CD fears that he exaggerated the importance of worms in forming ledges on hillsides [see Earthworms, p. 278 ff.].

Contributor:
Darwin Correspondence Project