Some plants were described by me several years ago, in a series of papers read
before the Linnean Society, the individuals of which exist under two or three
forms, differing in the length of their pistils and stamens and in other
respects. (Introduction/1. "On the Two Forms or Dimorphic Condition in the
Species of Primula, and on their remarkable Sexual Relations" 'Journal of the
Proceedings of the Linnean Society' volume 6 1862 page 77. "On the Existence of
Two Forms, and on their Reciprocal Sexual Relation, in several Species of the
Genus Linum" Ibid volume 7 1863 page 69. "On the Sexual Relations of the Three
Forms of Lythrum salicaria" Ibid volume 8 1864 page 169. "On the Character and
Hybrid-like Nature of the Offspring from the Illegitimate Unions of Dimorphic
and Trimorphic Plants" Ibid volume 10 1868 page 393. "On the Specific
Differences between Primula veris, Brit. Fl. (var. officinalis, Linn.), P.
vulgaris, Brit. Fl. (var. acaulis, Linn.), and P. elatior, Jacq.; and on the
Hybrid Nature of the Common oxlip. With Supplementary Remarks on Naturally
Produced Hybrids in the Genus Verbascum" Ibid volume 10 1868 page 437.) They
were called by me dimorphic and trimorphic, but have since been better named by
Hildebrand, heterostyled. (Introduction/2. The term "heterostyled" does not
express all the differences between the forms; but this is a failure common in
many cases.
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