This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ The Flora Of Richmond County, New York: A Catalogue Of The Phaenogamous And Vascular Cryptogamous Plants, With Occasional Notes On The Same, Growing In Richmond County, Independent Of Cultivation Charles Arthur Hollick, Nathaniel Lord Britton s.n., 1879 Science; Life Sciences; Botany; Botany; Science / Life Sciences / Botany

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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: By John Strong Newberry. DESCRIPTIONS OF SPECIES. PTERIDOPHYTA. Order FILICINjE. Lygodium Kaulpussi Heer. PI. LXII, figs. 1-4. Fl. Skopau; Beitr. naher Kent. Sachs. -Thuring. Braunkohl, Vol." XVIII (1861), p. 409, PI. VIII, fig. 21; IX, fig. 1. Lygodium neuropteraides Lesq. Hayden-s Ann. Rept. 1870 1872], p. 384; Tert. Fl. (1878), p. 61, PI. V, fig. 4-7; VI, fig. 1. Dr. C. A. White has collected from the Green River shales a splendid series of the fronds of a Lygodium which is apparently identical with that described by Lesquereux under the above name. These illustrate the growth of the plant far better than those he figures, and some of the more interesting and instructive ones are therefore now figured. Coming all from the same locality, indeed thickly impacted together and having the same nervation, they unquestionably represent a single species, and yet it will be seen that if diversity of form were accepted as affording specific distinctions half a dozen species might be made from them; hence we are taught by them that the fossil species of Lygodium already described are based on too insufficient material, and should have comparatively little weight until confirmed by further evidence. The number of figures now given, however, enable us to define this species in such a way that it is not liable to be mistaken. As these fronds occur in the rock, the margins seem to be undulated and the lobes considerably curved and twisted. How much of this is due Mon xxxv - 1 1 to contraction in drying before they were submerged and how much is natural it is now impossible to say; but specimens from Currant Creek, Oregon, exhibit the same peculiarity, the lobes being sometimes almost fan-shaped, the margins waved or involute, and recalling by their mode of g...