PALMELLACES. 11 
rating immediately into two cells, without previously acquiring a coat 
of cell-membrane, and therefore without skinning."—Braun Rejuvenes- 
cence, p. 181. 
Schizochlamys gelatinosa. Br. in Kutz. Sp. p. 891. 
Cells globose ; contents green, granulose. 
Sizz. -01-'0135 mm, (Rabs.). 
Kutz. Tab. vol. vi.t. 70. Braun Rejuvenescence t, 2, f. 43- 
50. Rabb. Alg. iii. 32. Rabh. Exs. No. 103. 
In peaty swamps, moor pools, and boggy ditches. 
Plate IIT. fig. 6. Cells magnified 400 diam. 
Genus 6. PALMELLA. Lyngb. (1819.) 
Cells globose, oval, or oblong, surrounded with a more or less 
thick integument, generally very soon confluent into a firm or 
soft jelly. Thallus shapeless, Division of the cells alternately 
in all directions. 
* Mostly green. 
Palmella mucosa. Kutz. Phyc. Gen. p. 172. 
Thallus expanded, gelatinous, deformed, olivaceous-green ; 
cells large, nearly equal, pale green, delicately granular; tegu- 
ment very thin, soon diffluent. 
Sizz. Cells -015 mm. (Rabh.), ‘007-014 mm. (Kirch.). 
Rabh, Alg. iii. 33. Kirch. Alg. Schl. p. 110. 
Merettia mucosu, Trevis. Alg. p. 46. 
On stones in streams. 
Plate V. fig. 1. Portion of thallus with cells magnified 400 diam. 
Palmella hyalina. Bred. Alg. Fal. p. 39. 
Thallus gelatinous, irregularly expanded, green; cells very 
minute, crowded ; tegument almost homogenous with the gela- 
tinous thallus, very soon diffluent. 
Size. Cells -0005--001 mm. (Rabk.), :00075--001 mm. 
(Kirch.). 
Rabh. Alg. iii. 88. Rabh, Exs. 1525. Kirch. Alg. Schl. 
. 110. 
2 Coccochloris hyalina, Meneg. Nost. p. 66. 
In stagnant water, and bogs. 
The species called Coccochloris hyalina by Hassall (p. 315) ia Homalo- 
coccus Hassallii, Kutz., one of the Phycochromophyce@, and not the 
present. Perhaps the two may have been mixed up. 
Plate V. fig. 3. 4, part of thallus, X 400; b, portion X 800 diam. 
