194 NOTES ON JAPANESE DESMIDS. 
2. E. orbiculare Wallich. Yokohama. 
ponte, 
Subsp. africanum Nordst. Yok rig 
Subsp. inermius Nordst. Yokoham 
4, EF. oblongum “he bi “oi Farida D numa. 
5. E. ansatum i Sai Sarat 
6. — elegans (eb. Kite tz. Yok 
FE. sibiriewm Boldt oe Sibviens -lcbecijdldphpesse p. 99. 
Tab. v., fig. 2). Junsai n 
III. Cosmarrum Corda. 
granules each; at the bet of the base of each aie is & 
e without granules, but punctate. Isthmus one- 
e semicell, smooth, side and end views 
tarch-granules in pairs. Long. and lat. 82-95 p; 
Fig. 16. 
] 
triangular space at the base. The number of the 
rows of granules, besides other points, — it still more widely 
from C. m 8, and C. latum & 
; Oe ‘scsi Ralfs. Yokoham 
3. C. latum Breb. kohama. 
- C. margaritatum (C. latum, B. margaritatum Lundell). Yoko- 
a 2, Sls enigma Wille. 
ornatum Wille. Junsai numa. 
6. C. Botrytis re Menegh. Yokoham 
1c, 8 —— — hues one- -seventh longer 
" minute crenatures; in the mi 
al above the base, is a pretty large granulated 
circular oh daecmmtl with about 22 
d7 
crenature ; ud verpaed i ee rows of 6-7 ules from each 
lated ie i iew ‘aaa ace y — with a prominent granu- 
inflation on ; isthmus narrow, oes one-fourth of 
