. Miscellaneous papers on oenothera. Oenothera; Primroses. igisl BARTLETT—MUTATION IN OENOTHERA 121 grains had accidentally reached the stigmas of the mother plants. This hypothesis was tested by crossing 0. pratincola with 0. niimis- matica. As ahead}' stated, these two species were the only Onagras which the writer found at Lexington. The latter, furthermore, is. Fig. 17.—Fi progeny of G, pan 27, Oenothera pratincola; four mutations are shown, G-so and G-53, mut. nibriceiitra; G-51, mut. nilida; G-52, mut. nuni- mularia; the other plants are typical 0. pratincola. suspiciously sim
. Miscellaneous papers on oenothera. Oenothera; Primroses. igisl BARTLETT—MUTATION IN OENOTHERA 121 grains had accidentally reached the stigmas of the mother plants. This hypothesis was tested by crossing 0. pratincola with 0. niimis- matica. As ahead}' stated, these two species were the only Onagras which the writer found at Lexington. The latter, furthermore, is. Fig. 17.—Fi progeny of G, pan 27, Oenothera pratincola; four mutations are shown, G-so and G-53, mut. nibriceiitra; G-51, mut. nilida; G-52, mut. nuni- mularia; the other plants are typical 0. pratincola. suspiciously similar in several characters to mut. nummnlaria. as may be seen by comparing the characters already recorded. The cross 0. pratincola 5X0. numismatica S was conspicuously fertile; 326 seeds from one capsule gave a culture of 222 plants, consisting. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Vries, Hugo de, 1848-1935. Berlin, Leipzig, etc. , etc.
Size: 1552px × 1611px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorvrieshug, bookcentury1900, bookdecade1900, bookyear1902
