XXVIU CONTENTS. 



PAQE 



Breidleb, J., & G. Beck — Trochobryum, a new genus of Mosses .. .. Part 5 841 

 Leitgeb, H. — Exudation of Water from the Female Receptacle of Corsinia Part G 1035 



PiiiLlBEBT — Peristome of Brijacex „ 1035 



Vexturi, G. — Spores of Pottia „ 1036 



Barnes, C. R. — Stomata of Marchantia „ 1036 



ScuLiEPiiACKE, K. — Plcuro'jceisia, a new genus of Mosses „ 1036 



MuLLER, C. — Mosses of Terra-del-Fuejo , 1036 



Characese. 

 ScHAARSCnMiDT, G. — Ccll-wall-thickcnings and Ccllulin-grains in Chara 



and Vaucheria Part 5 838 



Lichenes. 



Cbombie, J. M. — Aljo- Lichen Hypothesis Parti 103 



FCnfstlck, M. — Dccelopm^nt of the Apothecia of Lichens Part 3 499 



Habtog, M. M. — Nature of Lichens „ 500 



ZuKAL, H. — Structure of Lichens Part 4 687 



Ckombie, J. M. — Ahjo- Lichen Hypothesis „ 688 



FuNFSTLCK, M. — Formation of Thalli on the Apothecia of Peltidea 



aphthosa Part 5 843 



Mlller, J. — Mailer's' Contributions to Lichenohgy' Part 6 1042 



FOBSSELL, K. B. J. — Anatomy and Development of Lecanora granatina „ 1043 



AlgSB. 



Abdissone, F. — Floridex of the Mediterranean Parti 102 



Lagerheim, G. — Occurrence of Chromatophores in the Phycochrorriaceae „ 102 



SCHAARSCIIMIDT, J. — Gongrosira „ 103 



Lanzi, M. — Diatoms from Lago Trajano „ 103 



Kain, C. H. — Schmidt's^ Atlas der Diatomaceen-Kunde' „ 103 



Hanks, H. G. — New Diatomaceous Deposit at Santa Monica „ 173 



Cos., S. J}. —Structure of Diatoms 168 & 175 



Hansen, A., & A. TscniBCH — Chlorophyll of Fucacex Part 2 282 



Marchesetti, C. di — New Instance of Symbiosis „ 282 



Schaabschmidt, G. — Vegetative Changes of Form in Chlorosporex .. „ 283 



Will, H. — Anatomy of Macrocystis „ 284 



Schaabschsudt, G. — Hibernation of Zygnemacex „ 284 



Bates, F. — Sexuality in the Zygnemacese „ 285 



EosENWiNGE, L. K. — Parthenogenesis in Spirogyra „ 285 



WOLLNY, R. — Geminella interrupta „ 285 



Flahal'lt, C. — Lithoderma fontanum, a new Fresh'Water Phxospore ,. „ 285 



DcBKEE, R. P. H. — Structure of the Diatom Valve „ 286 



Wallich, G. C. — Structure of Diatoms „ 286 



Lagerstedt's (N. G. W.) Diatom-synonymy „ 287 



Macadasi, W. T. — Diatomaceous Deposits in Scotland „ 287 



KiTTON, F. — Asteromphalus flahellatus „ 380 



Cox, J. D. — Structure of the Diatom Shell, Siliceous Films too thin to 



show a broken edge Part 3 398 



SlRODOT, S. — Bactrachospermum „ 494 



HiERONYMUS, G. — Stephanosphasra pluvialis . . . . - „ 495 



Hansgirg, A. — Classification of the Lower Algx „ 495 



Wolle, F. — New Fresh-water Dcsmids „ 497 



KiTTON, F. — New Diatoms from the " Saugschiefer " of Dubrdvica .. ,, 497 



