244 Blackman and Tans ley. 
[P. illinoisensis Kofoid, Bull. Illinois State Lab. Nat. Hist., 1898, 
Vol. v., p. 27. PI. xxxvi.and xxxvii. Reprinted 
in Ann. and Mag. Nat. Hist., 1900, Ser. 7, 
Vol. vi, p. 139 PI. v. and vi.] 
Plcurodiscus. Lagerheim, Videnskabs-Selskabets Skrifter. Matli- 
naturv. Klasse, 1895, No. 5, fig. 1. 
Plcurothainnion. Borzi, Studi Algologici, Fasc. ii., Palermo 1895, 
p. 318, Pis. xxvii and xxvii. 
Polychloris. Borzi, La Nuova Notarisia, 1892, p. 51. 
[.Polytoma . France, Jahrb. f. wiss. Bot. 1894, Bd. 26. p. 295.] 
Prasinoclcidus. Kuckuck, Wiss. Meeresuntersuchungen, Kiel, 
N.F., 1896, Bd. I, Heft. I, p. 261, fig. 28 
Protosiplion. Klebs, Die Bedingungen der Fortpflanzung bei einigen 
Algen und Pilzen, 1896, p. 169, Taf. I. 
Pscudocodium. Weber van Bosse, Journ. Linn. Soc., Bot., 1896, 
Vol. xxxii., p. 209, pi I., figs. 1-9. 
Pseudendoclonium. Wille, Videnskabs Selskabets Skrifter, Math- 
naturv. Klasse, Christiania, 1900. No. 6, 
p. 29, Taf. iii. 
Pyxispora. West and G. S. West, Journal of Botany, 1897, Vol. 35, 
P- 39 » p l* 37 °i fi g s - 3 4 - 
Radiojiluin. Schmidle, Flora 1894, p. 47, pi. vii. 
Ricliteriella. Lemmermann, Hedwigia, 1898, Bd. 37, p. 305, Taf. X. 
Figs. 1-7. 
Roy a. West and G. S. West, Journ. Roy. Micr. Soc., 1896, 
p. 152. PI. iii. Figs. 23-24. 
Schroederia. Lemmermann, Hedwigia, 1898, Bd. 37, p. 31 t. 
Selenoderma. Bohlin, Bihang till K. Svenska Vet-Akad. Hand- 
lingar, 1897, Bd. 23, Afd. iii, No. 7, p. 21. 
Taf. i. 
Splicerocystis. Chodat, Bull, de PHerbier Boissier, 1897. Tome, v., 
pp. 119 and 292, PI. 9, figs. 1-13. 
Stapda. Chodat, Bull, de PHerbier Boissier, 1897. Tome v., p. 939. 
Pi. xxiii. 
Stipitococcus. West and G. S. West, Alga-Flora of Yorkshire, 1901. 
p. 127. 
Temnogametum. West and G. S. West, Journal of Botany, 1897. 
Vol. 35, p. 37. Tab. 370, figs. 5-9. 
Tetracoccus. West, Journal Roy. Micr. Soc., 1892, p. 735, pi. x. 
Tetragonium. West and G. S. West. Journal Roy. Micr. Soc., 1896, 
p. 160, pi. iii., figs. 1-13. 
Tetrasporidium. Mobius, Ber. d. Deutsch. Bot. Ges., 1893, Bd. xi., 
p. 122, Taf. viii. 
Tctrastrum. Chodat, Bull, de PHerbier Boissier, 1895., Tome iii., 
pp. 113 and 114. 
Willea. Schmidle, Ber. d. Deutsch. Bot. Ges., 1900, Bd. xviii., p. 157. 
[End of Vol. /.] 
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