€12 SUMMARY OF CURRENT RESEARCHES RELATING TO 



extinct plant. Christ's paper is the most important monograph we have 

 on Chinese ferns. 



Christ, H. — Filices Mexicans. (Mexican ferns.) 



[Ligt of the more interesting ferns collected by Munch in the 

 S. Pablo district. Among them are described seven new. 

 species and two new varieties.] 



Bull. Herb. Boissier, v. (1905) pp. 725-34. 



„ „ Quelques mots sur l'Article de Mr. Underwood: "A much-named 



Fern." (Some words on Mr. Underwood's article.) 

 [A defence of certain changes of plant-names.] 



Torreya, v. (1905) pp. 123-6. 



Christensen. C. — Index Filicum sive enumeratio omnium generum specierumque 

 Filicum et Hydropteridum. (Index of Ferns or enumeration of all genera and 

 species of Ferns and Hydropterideae.) 



[Gives the name, original reference and date, and synonymy of every species 

 since 1753.] Copenhagen: Hagerup, 1905. Fasc. ii. pp. 65-128. 



Gilman, C. — Two Ferns new to the Flora of Vermont. 



[Contains critical notes on Nephrodium spinuhsum var. fructuomm.~\ 



Bhodora, vii. (1905) pp. 103-5. 



M axon, W. R. — A New Speoies of Fern of genus Polypodium from Jamaica. 



[P. nesioticum.'] Smithsonian Miscell. Coll., Washington, 



xlvii. ii. (1905) pp. 410-11 (1 pi.) 



Ostenfeld, C. H. — .A List of Plants collected in the Raheng District, Upper Siam, 

 by Mr. E. Lindhard. 



[Contains four ferns and three Selaginellas, two of which are new. and arc 

 described in great detail by Hieronymus.] 



Bull. Herb. Boissier, v. (1905) pp. 709-2* 



Paul, D. — On the Ferns, especially the Filmy Ferns, of Jamaica. 



[Field Notes.] Trans. Bot. Soc. Edinburgh, xxii. (1901) pp. 1-12. 



Sodiro, A.— Sertula Florae ecuadorensis. (A selection from the Ecuador flora.) 



[Descriptions of 13 new species of Acrostichum, of the section Elaphoglossum.] 

 Quito, 1905, 12 pp.; Hedwigia, xliv. (1905) Beibl. p. 154. 



Tutcher, W. J. — Descriptions of some New Species, and Notes on other Chinese 

 Plants. 



[Contains one new species, Polypodium (Phymatodes) Matthewii, and two new 

 varieties of ferns.] Journ. Linn. Soc. {Bot.), xxxvii. (1905) pp. 58-70. 



Underwood, L. M. — A much-named Fern, 



[Gives the history of Microstaphyla Moorei — a Peruvian 

 fern, which in the space of nine years has been de- 

 scribed under three specific names and placed in four 

 genera.] Torreya, v. (1905) pp. 87-9. 



„ „ Botrychium silaifolium Presl. 



[With this is now united B. occidentale Underw., and the 

 species ranges from British Columbia to Washington 

 State; and several Californian specimens are sepa- 

 rated off as a new species, B. Valifornicum.~] 



Tom. cit., pp. 106-7. 



