10 Botanisches Centralblatt. 



Viehoever, A. 1913. Botanische Untersuchung harnstoffspaltender 

 Bakterien mit besonderer Berücksichtigung der speziesdiagnostisch 

 verwertbaren Merkmale und des Vermögens der Harnstoffspal- 

 tung. (Cbl. Bakt. 2. XXXIX. p. 209-359. 2 T.) 



XV^. Lichenes. 



Howe Jr., H. 1913. North American species of the genus Ramalina. 



(Bryologist. XVI. p. 65-74. 3 f. 3 pl.) 

 Merrill, G. K. 1913. Notheworthy Lecideaceae from Knox Countv, 



Maine. (Bryologist. XVI. p. 77—79.) 



XVI. Bryophyten. 



Cavares, A. et F. Beiträn. 1912. Flora briologica de la Sierra de Gua- 

 darrama. (Trabajos Mus. Sc. nat. Madrid, 1912. 12.) 



Ingham, W. 1913. A. census catalogue of British Hepatics, compiled 

 for the Moss Exchange Club. 2. edit. (Darwen, Western, 1913. 3ö pp.) 



Loeske, L. 1913. Die Laubmoose Europas. I. Grimmiaceae. (Berlin- 

 Schöneberg, M. Lande. 1913. XVI, 206 pp. 66 A.) 



Roll. 1913. lieber Sphagnum intermedium (Hoffm.) Rl. (Sp. pseudo- 

 molluscum Rl.). (Allg. bot. Zschr. XIX. p. 169-171.) 



Schiffner, V. 1913. Bryologische Fragmente, LXXIV— LXXVII. (Oesterr. 

 bot. Zschr. LXIII. p. 453—456.) 



Schiffner, V. 1913. Ueber einige kritische Arten der Gattung Radula. 

 (Oesterr. bot. Zschr. LXIII. p. 441-445.) 



Stephani, F. 1913. Species Hepaticarum. Fase. 56—59. (Bull. Soc. bot. 

 Geneve. V. p. 225—416.) 



XVn. Pteridophyten. 



Jimenez, 0. 1913. Un helecho arborescente nuevo para la ciencia 



Cyathea gemmifera Christ, nov. sp. (Bol. de Fom. San Jose, Costa 



Rica. III. "p. 661 667. 6 f.) 

 Palmer, W. E. 1913. Azolla in Norfolk. (Nature. XCII. p. 233.) 

 Rosenstock, E. 1913. Filices novae a cl. Dr. O. Buchtien in Bolivia 



coUectae. (Rep. Spec. nov. XII. p. 468—477.) 

 Sampaio, G. 1913. Lista das especies representados no herbärio por- 



tugues. Pteridöfitas e spermafitas. (Porto, 1913. 16<^. 146 pp.j 

 Wuist, E. D. 1913. Sex and development of the gametophyte of 



Onoclea Struthiopteris. (Physiol. Res. I. p. 93—94.) 



XVIII. Floristik, Geographie und Systematik der Phanerogamen. 



Cf. XVIL Sampaio. 



Coker, W. C. 1912. The plant life of Hartsville, S. C. (Pee Dee hist. 

 Soc. 1912. p. 129. 15 pl.) 



Fernald, M. L. and K. M. Wiegand. 1913. Calamagrostis Pickeringii, 

 var. debilis. Rhodora XV. p. 135 — 136 ) [A new combination is 

 formed, as follows: Calamagrostis Pickeringii Gray, var. debilis 

 (C. breviseta debilis Kearney). — J. M. Green man.] 



Fernald, M. L. and K. M. Wiegand. 1913. The variations of Luzula 

 campestris in \orth America. (Rhodora XV. p. 38 — 43.) 



Fernald, M. L, and K. M. Wiegand. 1913. Two new Carices from New- 

 foundland. (Rhodora XV. p. 133—134.) [Includes descriptions of 

 two new varieties of Carex nameh' Carex gracillima Schwein., 

 var. macerrima and C. lenticularis Michx. var. eucycla. — J. M. 

 Greenman.] 



Ferrari, T. 1913. La vegetazione nel territorio di Le3'^ni (Torino) nei 



