72 SUMMARY OF CURRENT RESEARCHES RELATING TO 



ing four species constitute a relative majority which, according to the 

 author, are entitled to retain the name Nephroilium. 



Anonymous — Rare Ohio Grape Ferns. American Botanist, vi. (1904) p. 35. 



Bernatsky, J. — Die Fame des Deliblater Sandes und ihre pflanzengeographische 

 Erklarung. (The Ferns of the Deliblat Sand, and their explanation from a 

 botanico-geographical point of view.) 



Ann. Mus. Nation. Hungarici, 1904, pp. 313-19. 

 Briquet. J. — Note sur deux rares Fougeres duJura savoisien: Polypodium serratum, 

 Aspidium angulare. (Note on two rare ferns of the Savoy Jura.) 



Arch. Flore Jurats., v. (1904) pp. 41-3. 



Christ, H. — Primitiae Florae Costaricensis. III. Filices et Lycopodiaceas. (First- 

 fruits of the Flora of Ccsta Rica. III. Kerns and Lycopods.) 



[Continuation.] Bull. Herb. Boissier, iv. (1904) pp. 1089-1104. 



Druery, C. T.— Devonshire Ferns. 



[List of 15 species; conditions under which they grow.] 



Gard. Chron., xxxvi. (1904) pp. 233-4. 

 Eastman, H. — New England Ferns and their common allies. 



[An illustrated non-technical field book.] Boston, 1904, 160 pp. 



Ford, S. O. — The anatomy of Psilotum triquetrum. 



[Anatomical details, with some deductions as to the affinities of the genus- 

 with the Sphenophyllales and other fossil plants.] 



Ann. Bot., xviii. (1904) pp. 589-605 (1 pi.). 



Goeze, E. — Die Baumfarne. (Tree-ferns.) 



Wiener III. Gart. Zeit., xxix. (1904) pp. 3S2-90, 420-7, 



Hill, T. G. — On the presence of a Parichnos in recent plants. 



[The Parichnos of Lepidodendron, etc., may be represented by the degenerated 

 mucilage-canals found at the base of the sporophylls of Isoetes hystrix, etc. 



Ann. Bot., xviii. (1904) p. 654. 



Lang, W. H.— On a prothallus provisionally referred to Psilotum. 



[Description of the structure of a specimen found imbedded among the roota 

 covering the stem of a tree-fern in Perak.] 



Tom. cit, pp. 571-7 (1 pi.). 

 Ma kino, T. — Observations on the Flora of Japan. 



[Contains descriptions of 7 ferns, Woodsia and Isoetes, with a new species and 

 a new variety.] Tokyo Bot. Mag., xviii. (1904) pp. 129-138. 



Nicolai, W. — Bilder aus der Heimat der Baumfarne. (Pictures from the home of 

 tree-ferns.) Gartenivelt, ix. (1904) pp. 25-26 (4 pis.) 



Porter, T. C. — Catalogue of the Bryophyta and Pteridophyta of Pennsylvania. 



Boston, 1904, 66 pp 



Robinson, J. F. — Lastraea Thelypteris Presl. in East Yorkshire. 



Naturalist, 1904. p. 34& 

 Robinson, C. B. — The Ferns of Northern Cape Breton. 



[On this island occur about 26 species of ferns, some of which are rare on the 

 Nova Scotia peninsula.] Torreya, iv. (1904) pp. 136-8.. 



Sommier, S. — A proposito di un esamplare di Osmunda regalis proveniente dalle 

 foreste del Caucaso. (Concerning a specimen of O. regalis brought from the forests 

 of the Caucasus.) 



[A specimen with a huge trunk of great age, but surpassed in size by some 

 that were growing till recently in the Italian island of Giglio.] 



Bull. Soc. Bot. Ital., 1904, p. 305. 

 Underwood, L. M. — The early writers on Ferns and their Collections. III. W. J. 

 Hooker, 1785-1865. 



[A short critical account of the influence exerted by Sir William Hooker, and 

 some of his contemporaries, upon the systematic study of ferns ; with a 

 chronological tabic showing the longevity and period of publication of the 

 chief fern authorities of last century.] 



Torreya, iv. (1904) pp. 145-50., 



