ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 201 



and Fern Allies," of what has been recently discovered as to the re- 

 lationships of the various groups of Pteridophyta to one another and to 

 other groups of plants ancient and modern. P. Dowell* publishes 

 notes on some ferns found during 1909, and principally at Stamford, 

 New York. M. A. Marshall f records the finding of Lycopodium in- 

 undatam in the White Mountains of New Hampshire. F. T. PemberJ 

 gives some notes on fern collecting in Southern California, and in- 

 dicates tlie conditions under which the few native species may be found. 

 C. T. Druery§ writing of Poly podium vidyare, shows how easily the 

 variant forms may be perpetuated by cultivation, and made known by 

 distribution. E. J. AVinslow || gives a description and figures of a new 

 hybrid fern, Dryopteris JiUx-mas x marginalis, discovered in Vermont. 

 R. (J. Benedict If describes another specimen, raised artificially, which 

 must be regarded as the same hybrid, Dryopteris filix-mas x margi- 

 nalis. F. Gr. Floyd ** publishes some critical notes upon Pohjpodium 

 vulyare L. var. auritum Willd., in which he cites authorities and defines 

 the plant. W. E. Safford ff publishes notes of a journey across the 

 Isthmus of Panama in April 1881, and descril)es the ferns met with 

 at various points of the route. 0. E. Jennings %% gives an account of 

 a visit to the Isle of Pines near Cuba, in May 1910, of the physical 

 geography of the island, and of the ferns collected and observed. H. W. 

 Pretz§§ gives an account of the finding of the rare AspUnium Bradley i 

 in Pennsylvania, and discusses the other stations at which it has been 

 collected. E. J. Winslow || || cites W. H. Blanchard's arguments for sepa- 

 rating L. flabelliforme off from L. complanatum, and adds his own obser- 

 vations of the plants. W. N. Clutef If gives an account of Drymoglossum 

 carnosnm and its affinities. W. R. Maxon*** publishes some notes on 

 American ferns under the following headings : — Another Alabama station 

 for Trichomaiies Pefersii; Pteris lo/iyifolia at New Orleans; Another 

 New Jersey station for Asplenium ebenoides ; Azolla caroliniana in 

 Alaska ; An additional Asiatic fern in the United States. E. W. Graves ttt 

 gives some notes on the present condition of a colony of tlie rare hart's- 

 tongue fern at a station in Tennessee. W. N. Clute XXX writes of the 

 effect of habitat on Ophioylossi/m. He had received many specimens of 

 0. vulgatwn collected by W. A. Poyser at Middletown, Pa., on a hillside 

 sloping down to a boggy meadow. They show a remarkable variation 

 of forms in regular gradation according as they were collected from the 



* American Pern Journ., i. (1910) pp. 12-14. 

 t American Fern Journ., 1. (1910) p. 15. 

 t American Fern Journ., i. (1910) pp. 17-19. 

 § American Pern Journ., i. (1910) pp. 19-21. 

 ii American Peru Journ., i. (1910) pp. 22-3 (figs.). 

 ^ American Peru Journ., i. (1910) p 24. 

 ** American Fern Journ., i. (1910) pp. 25-7. 

 tt American Pern Journ., i. (1911) pp. 121-9 (1 pi.). 

 \X American Peru Journ., i. (1911) pp. 129-36. 

 ^§ American Fern Journ., i. (1911) pp. 137-41 (1 fig.). 

 II ll American Pern Journ., i. (1911) pp. 141-3. 

 tt Fern Bull., xix. (1911) pp. 65-7 (1 pi.). 

 *** Pern Bull., xix. (1911) pp. 67-70. 

 ttt Fern Bull., xix. (1911) pp. 70-1. 

 ::t Pern. Bu 1., xix. (1911) pp. 71 2. 



