Dt. Sth df 
20¢ Se 
18 
Ss. J ag est var. obtusum, Wille. Nov. Seml., Plate XIIL, 
fig. 56, p. 5 
Hab. : a road, Brisbane, W. J. Byram ; rare. 
= Bieneanum, var.ellipticum, Wille (ubi. sup), Plate — 
he. 47. Semi- cells “ial end view triangular with angles rounde 
Hab.: Jenkins’ Quarry, Bundamba, W. J. Byram ; rare. 
/8. dilatatum, £/r).,forma australica, W. Schmidle. Professor 
’ Schmidle says :—The cells are scarcely diminished towar ds the late 
corners. The vertical view is triangular or qua with concave 
sides and rounded corners. Dimensions, 24: 26. (Plate Il. 
Hab.: Jenkins’ Quarry, Bundamba, and Blackstone, Tpawich, W. J. Byram; 
rare. 
S. paradoxum, Meyen. Frond rough; front view with elongate 
diverging processes, which are minutely trifid at the apex; en | 
quadrangular, or sometimes triangular. Size: Length, 72 #; pri i 
50 » (D.); diameter, 40-60 p» (K.); diameter, 40-60 p (Wo) 
Cooke's British Desmids 171. (Plate XI.) | 
ab.: Herston road, W. J. Byram ; rare. 
sone 
1) in nha only above at the base of each of ie ee “radial 
hori 
side of the es ye oa construction. Dimensions, 40:5 
the arms).”” (Plate 
Hab, : ‘ Blackibihs, ae W. J. Byram. 
 S. gracile, Ralf. Segments rene elongated on ea 
slender process, which i 7 nae ed by minute rages fy vie 
radiate. jeg ength, 7 . diameter, 50 b @ ie 
diameter, 5 oe diameter, 40-50 p (W 
Desmids, be cokes XI.) 
S. gracile, var. uniseriatum, West. Alg® ot Mala th 
Plate 9, fig. 3, page, 77. Professor Schmidle’s note ai ae i. 4 
the cell with the prolongations amounts to barely 32 q 
ide in a 
chs wt 
Hab.: Herston road, Brisbane, W. J. Byram ; rare. hs : 
with 
xXangulare, Lund. Middle size or larger, ©° rf q 
broad scutesangled sinus ; semi- cae more or few iepresse ot pars 
0: es 
