NOTES ON FRESHWATER ALGE 2938 
Grunow’s Sti of Nordstedt’s description of the front 
view of E. polare :— 
nutum, quasi prioris [E. ‘“‘ F, parvum, duabus partibus 
Ralfsi li ‘Ra Seek ji infans ; semicell- longius quam lating, sinu lineari- 
ulis trilobis, lobis basalibus brevibus angusto ; semicellula subhexagone 
integris vel margine crenato-bilobu- triloba, lobi lateralibus brevibus, 
latis, lobo polari porrecto subcune- leviter sinuato-bilobulatis, lobo po- 
ato, apice truncato, leviter inciso- lari sursum attenuato, apice leviter 
emarginato, cytiodermate levi.’ emarginato, & lobis lateralibus 
: i parvo instructs, 
The dimensions given for EF. Pokor ca are those given for 
C. angustatum; and the habitats : 
locis paludosis”’ and ‘‘inter muscos madidos,”’ are precisely the 
o% 
~~ 
oO 
Be 
er 
o 
os 
or 
Go 
oO 
Ait 
oO 
a 
SS 
— 
& 
i=] 
st 
Gutwinski, by referring a form of C. angustatwn to E. Poko ‘lee ia 
6. Si ARIUM SUBEXcAvaTUM nob. [Syn. C. oe Nordst. 
var, linen Wille in Ofver ers. af K. ie Ala Férh. 1879, no. 5, 
. Willei West in Journ. 
rs 
B. 
me 
Q 
MS 
o* 
= 
a & 
So 
= 
yee 
wm 
et 
a distinct pcan Schmidle evidently arrived at the 
clusion, but pla ced it under the genus a ws a 
already a species ‘saul precang Willei 
Var. ORDINATUM, — Syn. D. Willei ‘Schmidle —_ 
chmidle, l. c. p. 95, t. vi. ‘f 2.) Var. paullo longius quam 
typica ; granulis ne bes in seriebus verticalibus et horizontals 
ordinatis. Long. 29-87 p»; lat. 17-21»; lat. isthm. 11°5-18'5 
ig. 8 
‘Tab Ingleton, W. Yorks, on dripping rocks. 
In the plants examined there were about six horizontal and 
about — vertical series of gine on each semice 
Var, ZQUINOCTIALE nob. [Syn. C. oe Ferien est & G. S. West, 
: Welw. Attia: Freshw. Alg.,’ Journ Bot. 1897, p. 44, t. — i, a1.) 
On further consideration we are inclined . dds 
a variety of C. subexcavatum 
17. Cosmarium suseuncruzatum Nordst. in Botan. Notiser, me 
P. 161; Kongl. Sv. Vet.-Akad. Handl. Bd. 22, no. 8, 1888, 
.v. £.8. Zygospora globosa, verrucis magnis ornata ; Ci 
