9 
. Mey aie ahaa fter fecunda- 
terminal cells ; they are furnished with a long neck, anda 
tion are distinctly surrounded by two cells, after the manner of the 
shell th 
C. bicularis, Pringsh. Cooke’s Freshwater Alge, 197; Plate 
UXXX., Fie. 1. Di 
4 ab.: Burpenga , Thos. L. Baneroft. 7 d New 
Ds Thie plant is oe with in many parts of Europe, North America, an 
Zealan Prof. Moebius adds Siberia and Hawaii. 
od : : : tous 
3 ornely connate in one stratum, forming a kind of parenchyma 
oS Orbi uar disc; cells quadrangular, nearly equal o naked duloe: 
. ‘sag subglobose, peripherical, corticate above, na 
wie: Cells -02.:022 mm. ; ed & 
OF this species Prof. Moebius remarks that he only observ: 
sterile Specimen in the collection sent to him. — anand 
anit 18: 8: a; plant x 200 ; 4, portion with oogonia; ae Sapeabs of 
antheridia cells ; d, zoospore active and at rest; e, de 
mung plant, th 
ngary, Thos. L. Bancroft. Also in Wurope, North and Sou 
» Brazil, and New Zealand. 
: CHETOPELTIS, Berth. — See sss 
_)_ rhe thallus is dise-shaped or orbicular, and 1s of PS ia i 
sor It is adherent, occurs in water, is epiphytic, . age 
Ke Coleochete in appearance ; the contents of the ce 
