47 
 C.licheniforme, Kwetz. Prof. Moebius gives the following note: 
_ —In small irregular-shaped layers. Vegetative cells 3-4 p thick, 4-5 p 
; heterocysts 7 thick, 10-14, long; spores (single near the 
or) 14-16 p thick, 25-30, long. Known from Europe and 
razil.” ; 
Hab.: Dalby, Darling Downs ; collection, May, 1893, Dr. Thos. L, Bancroft. 
(Plate XI., Fig. 22.) 
| MICROCOLEUS, Desmazieres. 
_ Trichomes rigid, articulate, crowded together in bundles, enclosed 
M4 common mucous sheath, either closed or open at the apex; sheath 
_ Ample, colourless, more or less lamellose, rarely indistinet=Chthono- 
 blastus, Kuetz.—Cooke’s Freshwater Alge, 254. 
omes enclosed in a transparent sheath from which they 
Filaments growing in scattered, creeping, erect, or floating wick-like 
_ bundles.— Thur. ef Cooke lic 
4. tenerrimus, Gomont. Prof. Moebius says :—‘‘ The sheaths 
are 20-96 pt 
; constricted at the septa; the end-cell is pointed. According to Gomont 
(Mon graphie des Oscillariées), the filaments are only 1'5-2 p thick, so 
4 h it also has in common the habitat in salt water. IL. tener- 
_ mus has been found on the coast of France and Guadeloupe, and 
q ‘Upon salt pastures of Bohemia.” 
Hab: Salt marsh, Burpengary, May, 1892, Dr. Thos. L. Bancroft. 
(Plate XII., Fig. 5-6.) 
2 baludosus (Kuetz.), Gom. Prof. Moebius says :—“‘ Separate 
2 Sheath 
aed ,88 long; end-cell pointed. Known from Europe and Nort 
i Hab. : Glasshouse Mountains, September, 1892, Dr. Thos. L. Bancroft. 
(Plate XII. Fig. 7-8-9.) 
LYNGBYA. 
reely constricted; sheaths pellucid hyaline, becoming 
» at first scarcely lamellose, at length when old becoming 
h Y lamellose. Size: Trichomes *025-°03 mm. diam., without 
-— Cooke l.c. 
. the following j J ‘ption :—“ Filaments 16 
: g is Prof. Moebius’ description :—~“ Filame s 
ce ells 12-5 u thick, 2 as long, not coneicell at the septa; ee 
ia ree I have not in this instance been able to distinguish a 
=~ ickening of the membrane at the end, as Gomont mentions. 
Securing inland this species seems hitherto to have been only 
