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X.—The Genus Primula: Section Petiolares

Published online by Cambridge University Press:  06 July 2012

W. Wright Smith  and
H. R. Fletcher
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Extract

The establishment of Primula petiolaris and its allies as representing a distinct section of the genus was the work of Pax in Engler's Bot. Jahrb., x, 173 (1889). His definition of the section was reasonably adequate, allowance being made for the scanty material available to him. The main information at his disposal came from Wallich's diagnosis (1) of P. petiolaris in 1824 and Hooker's treatment (2) of that species and its varieties in 1882. The chief diagnostic marks instanced by Pax were the membranous leaves with very broad midrib and with sharply and closely erose-denticulate margin, the great variability in leaf-shape and in the degree of development of the scape, the rose-coloured flowers and the globose capsule. Very apposite were his comments on the difficulty in distinguishing the component species and his conviction that the many varieties of P. petiolaris may quite well represent individual species, although the lack of careful observations on living material compelled him to leave within that aggregate even such plants as P. Tanneri. Pax's conception of the confines of his section was better exemplified by his choice of its components than by his diagnosis.

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 61 , Issue 2 , 1947 , pp. 271 - 314
Copyright
Copyright © Royal Society of Edinburgh 1947

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References

References to Literature in Introduction

(1)Roxb. Fl. Ind. (ed. Carey and Wall.), II, 22 (1824), and Waffich's Tent. Fl. Nep., t. 31 (1826).Google Scholar
(2)Hooker's, Fl. Brit. Ind., III, 493 (1882).Google Scholar
(3)Journ. Roy. Hort. Soc., xxix, 295 (1904).Google Scholar
(4)Engler's, Pflanzern. Primulaceae, 39 (1905).Google Scholar
(5)Journ. Roy. Hort. Soc., xxxix, 148, 186 (1913).Google Scholar
(6)Notes Roy. Bot. Gard. Edin., ix, 174 (1916).Google Scholar
(7)Notes Roy. Bot. Gard. Edin., vi, 257 (1917).Google Scholar
(8)Notes Roy. Bot. Gard. Edin., xi, 179 (1919).Google Scholar
(9)Notes Roy. Bot. Gard. Edin., xvi, 5, 35 (1928).Google Scholar
(10)Cytological Studies in Primula (Symbol. Bot. Upsal., 1), 43 (1932).Google Scholar
(11)Gardening Illustr., LXIII, 275, 283, 295 (1941).Google Scholar
(12)Engler's, Bot. Jahrb., X, 173 (1889).Google Scholar

References to Literature

(1)Bull. Mus. Hist. Nat. Paris, I, 64 (1895).Google Scholar
(2)Engler's, Pflanzenr. Primulaceae, 30 (1905).Google Scholar
(3)Le Monde des Plantes, ix, 14 (1907).Google Scholar
(4)Journ. Roy. Hort. Soc., xxxix, 146 (1913).Google Scholar
(5)Notes Roy. Bot. Gard. Edin., xi, 179 (1919).Google Scholar
(6)Notes Roy. Bot. Gard. Edin., xvi, 35 (1928).Google Scholar

Literature

(1)Journ. Roy. Hort. Soc., xxxix, 146 (1913).Google Scholar
(2)Notes Roy. Bot. Gard. Edin., ix, 174 (1916).Google Scholar
(3)Notes Roy. Bot. Gard. Edin., xi, 179 (1919).Google Scholar