Vascular Crj^togams. 



520 



6700 



Beer, R. Development of the spores 

 of Helminthostachya zeylanica. Ann. 

 Bot., Oxford, 20, 1906, (177-186, pis. 

 11-12). 



Berry, E. W. Mesozoic flora of the 

 Atlantic coastal plain. New York, 

 N.Y., Bull. Torrey Bot. CI., 33, 1906, 

 (163-182, with 3 pi.). 



Bertrand, P. Caracteristiques du 

 stipe de VAclelopliyton Jut'teri. Paris, 

 C.-R. Acad, sci., 142, 1906, (1445-1447). 



Bissell, C. H. The fern flora of 

 Connecticut. Fern Bull., Binghamton, 

 N.Y., 14, 1906, (1-11). 



Bock, W. Die Gefasskryptogaraen 

 des Bromberger Kreises. Posen, Zs. D. 

 Ges. Wiss. natw. Abt., 12, 1906, (74- 

 76). 



Bouygues, H. Systeme libero-lignenx 

 des Cryptogames vasculaires. Bordeaux, 

 Actes soc. linn., (ser. 7, 9), 59, 1904, 

 (125-141). 



Brainerd, E. Nephrodium Filix-mas 

 in Vermont. Rhodora, Boston, Mass., 8, 

 1906, (22-23). 



Britton, E. G. TheJenman collection 

 of ferns. New York, N.Y., J. Bot. Gard., 

 4, 1903, (85-86). 



Britton, N. L. Flora of the Bahama 

 islands. New York, N.Y., Bull. Bot. 

 Gard., 4, 1906, (137-143). 



Bruchmann, H. Prothalliym und 

 Spqrenjjflanze von Botvych'ium Lunar la 

 Sw. Flora, Jena, 96, 1906, (203-230, 

 niit 2 Taf.). 



Busch, N., Marcowicz, B. B. et Woro- 

 Jiow, G. N. Schedae ad Floram Caucasi- 

 cam exsiccatam, ab Horto Botanico 

 Imperiali Petropolitano editam. St. 

 Peterburg, Acta horti Petr., 26, 1, 1906, 

 (61-69). 



Calegari, M. 'UAsplenium Seelosn 

 Leybold al monte Campo dei Fioii a 

 nord di Varese (Loml)ardia). Malpighia, 

 Genova, 19, 1905, (121). 



Campbell, D. H. Germination of the 

 spores of Ophioglossnm. Ann. Bot., 

 Oxford, 20, 1906, (321). 



The structure and develop- 

 ment of mosses and ferns. (Archego- 

 niatae). New York and London, 1905, 

 (vii + 657, with text fig.). 



,. Cardiff, 1. D. Development of 

 sporangiimi in BotrycMum. Bot. Gaz., 



Chicago, 111., 39, 1905, (.340-347, with 

 pL). 



Cbauyeaud, G. Developpement de 

 I'appareil conducteur dans la racine des 

 Equisetacees. Paris, Bui. soc. philom., 

 (ser. 9), 4, 1902, (26-45). 



Christ, H. Aspidium {Polystichum) 

 lobofo X vuinitumnovAiyhr. A. Arendsii 

 V. Wirtg. mss. Allg. bot. Zs., Karls- 

 ruhe, 12, 1906, (4-5). 



Die BotrycMum- kriew des 



australeii Amerika. Ark. Bot., Stock- 

 holm, 6, No. 3, 1906, (6, with pi.). 



Loxso',noj)sis costaricensis 



nov. gen. et spec. (Typus in herb. 

 Christ Basileae.) Geneve, Bui. Boissier, 

 (Ser. 2), 4, 1904, (393-400, 1 fig.). 



Filices Faurieanae. V. 



Filices Formosae. VI. Filices Taponicae. 

 t.c. (609-618). 



Primitiae Florae Costari- 

 censis. Filices et Lycopodiaceae. III. 

 t.c. (936-951, 957-972, 1089-1104). 



Filices Brasilienses aiispi- 



ciis Musaei Goeldiani Paracusis secus 

 fluminis Purus ripas Brasiliae interioris 

 ab ill. Dom. A. Goeldi et J. Huber 

 lectae. Hedwigia, Dresden, 45, 1906, 

 (190-194). 



Deux fougeres nouvelles 



du caucase. Tiflis, Monit. Jard. bot., 6, 

 1906, (24-25). 



Christensen, C. Index Filicum, sive 

 enumcratio omnium generum specie- 

 rumque Filicum et Hydropteridum ab 

 anno 1753 ad finem anni 1905 descrip- 

 torum, adjectis synonymis i^rincipalibus 

 areageographica, etc. Hafniae, 1906, 

 (LX + 744). 



Clute, W. N. What constitutes a 

 species in the genus Isoetee? Fern 

 Bull., Binghamton, N.Y., 13, 1905, (41- 



47). 



The round-leaved maiden 



hair. Adiantum reniforme. t.c. (49- 

 50, with pl.J. 



Species and varieties 



among tlie ferns, t.c. (65-74). 



A walking shield fern, 



Polysticlium Plafichnichnickimnim. t.c. 

 (78-79, with pL). 



A check list of the North 



American fernworts. t.c. (109-120) ; 

 14, 1906, (56-58, 118-121). 



