. Carnegie Institution of Washington publication. BIOTYPES AND HYBRIDS. 17 : Another original culture which now seems to belong to B. bf>. hctcris was the offspring of a very robust plant collected in a dooryard near Cold Spring Harbor, Long Island, April, 1906. This plant was taken up and potted in the greenhouse, where its pollination was guarded. The earlier leaves of this plant were recognized as resembling B'. bf>. /ie/eris, ex- cept in the less sharp attenuation of the primary lobes, but later leaves— the climax-leaves—were large, and, in addition to the secondary lobes chara
. Carnegie Institution of Washington publication. BIOTYPES AND HYBRIDS. 17 : Another original culture which now seems to belong to B. bf>. hctcris was the offspring of a very robust plant collected in a dooryard near Cold Spring Harbor, Long Island, April, 1906. This plant was taken up and potted in the greenhouse, where its pollination was guarded. The earlier leaves of this plant were recognized as resembling B'. bf>. /ie/eris, ex- cept in the less sharp attenuation of the primary lobes, but later leaves— the climax-leaves—were large, and, in addition to the secondary lobes characteristic of B, dp. keteris, they had somewhat quadrangular secondary. FIG. 6.—Bursa bursa-pastoris heteris. Offspring of sib of plant shown in fig. 5. lobes in the proximal axils of the primary lobes, and these square lobes were sometimes almost cut off from the primary lobes, giving the leaf the peculiar form usually described as interruptedly pinnate (fig. 7). The seeds of this plant were sown May 23, 1906, and produced 352 offspring. These were badly damaged by the thrips, 81 being killed and 57 so stunted as to make an estimation of their characters uncertain. The remaining 214 formed a consistent group unlike its parent and also unlike any other. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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