File:American Journal of Botany Volume IV Plate XIX Elliott Alternaria and Macrosporium N540 w1150.jpg

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American Journal of Botany. Volume IV, Plate XIX. Elliott: Alternaria and Macrosporium.

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English: American Journal of Botany.

Volume IV, Plate XIX. Elliott: Alternaria and Macrosporium. Lancaster, Pa. :Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens,1914- https://biodiversitylibrary.org/page/47142704 Plate XIX All drawings were made with camera lucida to scale shown on the plates.

1. Alternaria brassicae var. nigrescens (now Alternaria brassicae f. nigrescens) on leached agar.

2. Alternaria brassicae var. nigrescens (now Alternaria brassicae f. nigrescens) spores showing stages in secondary development.

3. Alternaria solani from Datura on leached sugar.

4. Alternaria solani from Datura, spores from bean agar culture.

5. Alternaria solani from potato on leached agar.

6. Alternaria tenuis (now Alternaria alternata) spores two weeks and six weeks old showing secondary development due to age.

7. Alternaria tenuis (now Alternaria alternata) on leached agar.

8. Alternaria dianthi on leached agar.

9. Alternaria dianthi spores from colony on acid agar.

10. Alternaria dianthi spores from colony on bean agar at 10°, showing enlarged size and secondary development.

11. Alternaria fasciculata (now Alternaria alternata) on leached agar.

12. Alternaria fasciculata (now Alternaria alternata) spores showing echinulation.

13. Alternaria fasciculata (now Alternaria alternata) showing development of a spore.

14. Alternaria brassicae var. microspora on leached agar.

15. Alternaria brassicae var. microspora on bean agar, 10°, showing reduced size of spores and lack of color.

16. Macrosporium sarcinaeforme (now Stemphylium sarciniforme) on leached agar.

17. Macrosporium sarcinula on leached agar.
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Source https://www.flickr.com/photos/biodivlibrary/50720436466/
Author Biodiversity Heritage Library
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13 October 2023

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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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