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Jepson Field Book Transcriptions · Jepson Herbarium
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51_74 Cambridge, England of variations, or a complicated cross-webbing. It is my experience that in each family I find a different phase or kind of variation, mostly too subtle to express in any formal terms. Then I spoke of my intensive work on Ribes in California, familiarizing myself with all the subtle phases of variation; that in the case of the species Ribes Menziesii I had discovered that along the Californian coast each climatic and topographic area has its own form, chiefly marked by peculiarities of the glands; that Douglas' specimens from California carried no locality labels but that I had able to place them all geographically and some of them with great accuracy, that his specimen of the form we now call Ribes hystrix must have been obtained at Point |
51_75 Aug. 18, 1930 Lobos at the Carmel River which locality he could scarcely have missed when at Monterey, that his specimen of what we now call Ribes hesperium McCl._ is the particular form of that species which occurs at Santa Barbara but which does not occur easterly in the Santa Monicas or San Gabriels where "hesperium" is perhaps mainly found. Douglas, we know, was at Santa Barbara. This matter interested Dr. Anderson very much, he said that Ribes has uniformly 12 chromosomes and that in hybridizing it segregates out into just such foms as I had described as geographical. - J. H. Priestley, Prof. Botany, Univ. of Leeds, meets me and recalls his visit to California. He is most pleasant. Cont. p. 195. _ or variey of Menziesii |
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