33 
very > ering crowded, beep 9" sutures pera three ; 
zygospore orbicular, smooth. Size ‘3- x p (BR 2; 
diameter, 38-40 (W. ). —Cooke’s British Desuidde 29, (Plate VOUT) 
C. pe oiatam, var, «. typicum, Klebs. Desm. of East 
Prussia, p. 1 
Hab. : SS one Ipswich, W. J. Byram ; scattered. 
C. ok ego Ra ae Frond slender, 12 to 15 times as oi 
net, numerous, but not crowded; transverse sutures Bs 
more than three ; zygospore globose, smooth. Size: 0°32-0'45 mm. te 
File Me zygospore, 54 p (L.).—Cooke’s British Desmids, 29 
ate 
a alsshetane, Ipswich, W. J. Byram ; rare. 
C. Ralfsii, Bred. Frond stout, 6 to 9 times as long as broad, the 
Upper margin slightly convex, lower concave, ventricose at the middle, 
each extremity tapering into a narrow slender reddish beak, shorter 
arge gran 
conspicuous in a single series; empty frond reddish, especially near 
vag strie numerous, close and. distinct ; central suture accom- 
panied by several transverse lines. Size: 0°3 mm. X 50 p 
diameter, 42-47 » (W.).—Cooke’s British oe 32. (Plate Si 
C. Ralfsii ii, var. 6. typic me Klebs. Desm. East. Prussia, 
Plate II. , fig. 6e.. Dimensions, 500-550 Be p-—Schmidle. 
Hab.: Herston road, Brisbane, W. J. Byra 
7 Professor Schmidle adds :—“ Our forms might just_as well have been — 
with CU. 7 atum, b. sandevicense, Nordst., Alge Aque Dulcis San ray le = Ped 
z rue ren als» in Desm. Brazil, Plate II. fig. 4, fan, Rac cibors he eK EO 
; ener eu, os Frond minute, 5 to 8 times as long as b : 
: der, slightly curved, attenuated, ends blunt; endochrome - 
cling to the extremities; large granules indistinct, in a single 
Pang ae frond —— = strie 5 zygospore auth. in 
( elli iptie in end v mm. X 63 ( of fs 
Cooke's 8 Dasuide, 35. “(Plate VIL. ) 
. 1, Plate 2, . 
: u, var. Brasiliense, Bérgesen. Desm Brazi 
es 8, p. San Professor Schmidle ” says i— “The cells are somewha t 
ighter than in Bérgesen Joc. cit. Dimensions, “100 : 5p 
b. voll Park, Brisbane, W. J. paige rare. 
: Zingii, Breb. List., Plate II., Thes 
en yellowish cell- membrane, and Dysecns in awe 
a i aBokis 
imens have a 
g fine horns. 
ene Song edad, hiner: ev J. Byram; near Mount Albion, North 
ie nd, C, W. Bir ay 
1 nsions, 152 : 12 p.— 
| Sima vum, var. 8 majus, Wittr. Dime ; 
mh. Enoggera District, W. J. Byram ; rare. 
