"334 SUMMARY OF CURRENT RESEARCHES RELATING TO 



CRYPTOGAMS. 



Pteridophyta. 

 (By A. Gepp, M.A., F.L.S.) 



'Bailey, C. — The British Horsetails. 



[A simple account of the structure of Equisetum.'] 



Proc. Manchester Field Club, I. ii. (1905) pp. 316-21. 



■Real, W. J. — Michigan Flora: a list of the fern and seed-plants growing without 

 cultivation. Reprinted from Fifth Rep. Michigan Acad. Sci. 



(Lansing, 1904) 147 pp. 

 Christ, H. — Filioes Cadierianae. 



[Ferns collected by P. L. Cadiere in French Annam. Contains 

 some new species.] 



Journ. de Bot., xix. (1905) pp. 58-68. 



„ „ Primitiae Florae Costaricensis. Filices et Lycopodiaceae. III. (First- 

 fruits of the flora of Costa Rica. Ferns and Lycopods.] 

 [Conclusion, with an appendix and corrections.] 



Bull. Herb. Bois., v. (1905) pp. 248-60. 



"Cheistensen, C. — On the American species of Leptochilus, sect. Bolbitis. 



[The author criticises Underwood's resuscitation of certain 

 old generic names for ferns, and shows that Leptochilus 

 Kauif. (1824) Las precedence of Anapausia Presl, re- 

 vived by Underwood for the group of Acrosticha with 

 irregularly netted veins. The section Bolbitis contains 

 eight tropical American species, for which a key is given ; 

 it is followed by detailed descriptions and critical notes 

 and figures.] 



Bot. Tidskr., xxvi. (1904) pp. 283-97 (figs.). 

 „ „ A new Elaphoglossum from Brazil. 



[_E. didymoglossoides, with proliferous sterile leaves, and very 

 thin texture.] 



Tom. cit., pp. 299-300. 

 •Co pel and, E. B. — Ferns in Perkins' Fragmenta Florae Philippines. 



[Contains descriptions of 1 new genus (Christopteris), 38 new species, and 

 3 new varieties of ferns, collected by the author.] 



Borntraeger (Leipzig, 1905) pp. 175-94 (1 pi.). 



Diels, L. — Die primitivste Form von Lygodium. (The most primitive form of 

 Lygodium.) 



[This is not L. articulatum, but the little-known L. hians Fourn., which is 

 simpler in its branching and less differentiated.] 



Hedwigia, xliv. (1905) pp. 133-6 (1 fig.). 

 Fischer, H. — Die Fame in Hohen Venn. (Ferns of the Hohe Venn.] 



Verh. Naturh. Ver. pr. Rheinlande, etc., lxi. (1905) pp. 1-9. 



Hieronymus, G. — Einige Berichtigungen zu der Abhandlung: "Plantae Lehman- 

 nianae in Guatemala, Columbia et Ecuador regionibusque finitimis collectae.additis 

 quibusdam ab aliis collectoribus ex iisdem regionibus allatis determinatae et 

 descriptae. Pteridophyta," in Engler's Bot. Jahrbuchern, Bd. xxxiv. pp. 417-582. 

 (Some corrections of the paper, " Plants collected by Lekmann in Guatemala, 

 Columbia, Ecuador, and the neighbouring regions, determined and described, 

 together with some additions brought from the same regions by other collectors. 

 Pteridophytes.") Hedwigia, xliv. (1905) pp. 179-80. 



Maxon, W. R. — On the names of three Jamaican species of Polypodium. 



[An identification of the true P. myosuroides ot Swartz, Schkuhr's plant beinc 

 re-named P. delitescens. Also P. saxicola Sw. is maintained as distinct 

 from P. saxicolum Baker, here re-named P. induens.'} 



Bull. Torrey Bot. Club, xxxii. (1905) pp. 73-5. 



