72 Botanisches Centralblatt. 



Christ, H. 1908. Spicilegium Filicum Philippinensium novarum aut 

 imperfecte cognitarum. IL (Phipppine Journ. Sc. C. Bot. III. p. 

 269 -276.) 



Christ, H. 1907. The Philippine species of Dryopteris. (Philippine 

 Journ. Sc. C. Bot. II. p. 189—217.) 



Cleveland, G. T. 1908. Ferns of the Upper Susquehanna Valley. 

 (Fern Bull. XVI. p. 101—103.) [Notes on the distribution of certain 

 Pteridophyta in the south-central portion of New York State, with 

 brief reference to physiographic and geological features. — Maxon.] 



Clute, W. N. 1907. Rare forms of Ferns, VI. (Fern Bull. XV. p. 71—72. 

 1 fig.) [A deeply pinnatifid form of Polystichum acrostichoides 

 (Michx.) Schott, from Connecticut, is described and figured as 

 forma multifidum Clute, forma nova. — Maxon.] 



Clute, W. N. 1908. Rare forms of Ferns, VII. A slender-leaved 

 Cystopteris. (Fern Bull. XVI. p. 75—77. 1 fig.) [Describes as a 

 new subspecies a large plant from Carr canyon, Huachuca Moun- 

 tains, Arizona, as Cystopteris fragilis tenuifolia. It is known also 

 from Conservatory canyon, Arizona. — Maxon.] 



Clute, W. N. 1908. Rare forms of Ferns, VIII. An abnormal Cin- 

 namon fern. (Fern Bull. XVI. p. 107 — 109. 1 pl.) [Osmunda cinna- 

 momea forma cornucopiaefolia Clute, forma nov. , is described from 

 specimens collected in Ohio. — Maxon.] 



Clute, W. N. 1908. The check-list of North American fernworts. 

 (Fern Bull. XVI. p. 81-84.) 



Clute, W. N. 1908. The Grass-like Polypodium: Polypodium gra- 

 mineum. (Fern Bull. XVI. p. 99 — 101. 1 pl.) [Descriptive notes, 

 together with an illustration, of this tropical American species, 

 described from Jamaican specimens. — Maxon.] 



Copeland, E. B. 1907. A revision of Tectaria, with especial re- 

 gard to the Phillippine species. (Philippine Journ. Sc. C. Bot. II. p. 

 409-418.) 



Copeland, E. B. 1908. A. revision of the Philippine species of 

 Athyrium. (Philippine Journ. Sc. C. Bot. III. p. 285—300.) 



Copeland, E. B. 1908. Ferns of Southern China. (Philippine Journ. 

 Sc. C. Bot. III. p. 277—284.) 



Copeland, E. B. 1908. New or interesting Philippine Ferns. III. 

 (Philippine Journ. Sc. C. Bot. III. p. 31—37.) 



Copeland, E. B. 1907. Notes on the Steere collection of Philippine 

 Ferns. (Philippine Journ. Sc. C. Bot. II. p. 405—407.) 



Copeland, E. B. 1907. Pteridophyta Halconensia. A list of the ferns 

 and fern-allies collected by E. D. Merrill on Mount Halcon, Min- 

 doro. (Philippine Journ. Sc. C. Bot. II. p. 119-150. 4 pl.) 



Greene, F. C. 1908. Ferns of Bloomington, Indiana. (Fern Bull. 

 XVI. p. 68—69.) 



Jewell, J. H. 1908. Polypodium vulgare auritum. (Fern Bull. XVI. 

 p. 85-86.) 



Kümmerle, J. B. 1909. Species nova generis Ceterach. (Bot. Közlem. 

 1909. 6. p. 286—290. Magyar, m. deutsch. Resume.) 



Plitt, Ch. C. 1908. Notes on Equisetum hyemale. (Fern Bull. XVI. 

 p. 113—116.) [Notes upon sporiation and upon the production of roots 

 and branches in E. hyemale under artificialconditions. — Maxon,] 



Rosendahl, H. V. 1909. Bidrag tili Sveriges ormbunks flora. I. 

 [Beiträge zur Farnflora Schwedens. I]. (Svensk. bot. Tidskr. III. 

 p. 332-338.) 



Slosson, Margaret 1908. Notes on some hybrid Ferns. (Fern Bull. 

 XVI. p. 97—99.) 



