72 Botanisches Centralblatt. 



Evans, A. W. 1910. Notes on New England Hepaticae. VIII. (Rho- 



dora. XII. p. 193—204.) 

 Flora exsiccata Bavarica. 1910. Bryophyta, hrsg. v. d. kgl. botan. 



Ges. in Regensb. Lfrg. 31--32. N". 767—800. (Regensburg, 1910.) 

 Paris, E, G. 1910. Collatio nominum Brotherianorum et Indicis 



Bryologici. (Parisiis, 1910. 8'^ 37 pp.) 

 Timm, R. 1910. Einige Moosexkursionen ins Lüneburger Gebiet. 



(Jahrhefte natw. Ver. Lüneburg. XVIII. p. 69—110.) 



XVn. Pteridophyten. 

 Cf. XVin. Willis. 



Benedict, R. C. 1909. The fern collections of the New York bota- 

 nical Garden. (Journ. New York bot. Gard. X. p. 75— 81. 1 pl. 2 fig.) 

 Christensen, C. 1910. On some Species of Ferns coUected by C. 

 Skottsberg im temperate South America. (Ark. för Bot. 1910. 32 pp. 

 1 pl. 9 fig.) 

 Clute, W. N. 1910. Rare forms of fernworts. XIV. (Fern Bull. XVIII. 

 p. 47—49. ill.) [Several unusual forms of Polypodium vulgare are 

 illustrated from specimens collected at a Single locality in Maine. — 

 Maxon.J 

 Clute, W. N. 1910. The arrow-leaved Hemionitis: Hemionitis ari- 

 folia. (Fern Bull. XVIII. p. 76—78.) [H. arifolia is described and 

 figured. — Maxon.] 

 Clute, W. N. 1910. The Philippine pedate Bracke: (Doryopteris 

 ludens. (Fern Bull. XVIII. p. 43—45.) [A populär account of Dory- 

 opteris ludens, with an Illustration. — Maxon.] 

 Dodge, R. 1910. Variation in Botrychium ramosum, (Fern. Bull. 

 XVIII. p. 33—43.) [A record ot extended Observation upon the 

 occurrence, habitats and relative abundance in New England ot 

 several species of Botrychium commonly regarded as distinct, but 

 held by the writer to be in all probability only phases of Botry- 

 chium ramosum. — Maxon.] 

 Dutton, D. 1910. Habitat of Botrychium simplex. (Fern Bull. XVIII. 

 87.) Notes upon the habitat of Botrychium simplex and B. tene- 

 brosum. — Maxon.] 

 Frickhinger, H. 1910. Gefässkryptogamen- und Phanerogamenflora 

 des Rieses, seiner Umgebung und des Hesselberges bei Wasser- 

 trüdingen. (Nördlingen 1910. 8». 403 pp. 1 Karte.) 

 Hill, E. J. 1910. Fern notes. (Fern Bull. XVIII. p. 65— 76 ) [Notes 

 on distribution, habitat, etc., etc.; of Woodwardia virginica, Dryo- 

 pteris spinulosa, Dennstaedtia punctilobula, and two forms of ter- 

 nate Botrychia. — Maxon.] 

 Kundt, A. 1910. Die Entwicklung der Micro- und Macrosporangien 



von Salvinia natans. (Diss. Berlin 1910. 8*^. 30 pp.) 

 MüUer-Knatz, J. 1910. Die Farnpflanzen in der Umgegend von 

 Frankfurt a. M. (Abh. Senckenberg. natf. Ges. XXXI. 1. p. 25—72.) 

 Nash, G. V. 1909. The tropical fern collection. (Journ. New York 

 bot. Gard. X. p. 256—261. 2 pl.) [A brief account of the collection 

 of tropical ferns in cultivation in the conservatories of the New 

 York Botanical Garden. The species and genera are said to be 

 arranged mainly by groups for convenience in comparative 

 studv. — Maxon.] 

 Prescott, A. 1910. Botrychium ramosum. (Fern Bull. XVIII. p. 86.) 

 [Notes on the occurrence of this species near New Hartford, New 

 York. — Maxon.] 

 Prescott, A. 1910. Juvenile ferns. (Fern. Bull. XVIII. p. 45—47.) 



