Ser. RHODOSPERME. Fam. Corallinec. 
Prats CCCXLVII. 2. 
MELOBESIA MEMBRANACEA, Lamour. 
Gen. Cuar. Frond attached or free, either flattened, orbicular, sinuated or 
irregularly lobed, or cylindrical and branched (never articulated), 
coated with a calcareous deposit. Fructification: conical, sessile 
ceramidia, scattered over the surface of the frond, and containing a 
tuft of transversely parted, oblong ¢e¢raspores—Named from one of 
the Sea-nymphs of Hesiod. 
MeELoBESIA membranacea; minute, dot-like, very thin, pale purple, circu- 
lar, at length confluent, attached to other Algz ; ceramidia one or 
two, depressed. 
MELOBEsSIA membranacea, Lamour. Cor. Flex. p. 315. pl. 12. f.2,3. Harv. 
Man. ed. 2. p. 109. 
Has. Common on the leaves of Zostera, the fronds of Chondrus crispus, 
&c. All round the coast. 
Groer. Distr. Atlantic and Mediterranean coasts of Europe. 
Descr. Frond from half a line to a line in diameter, very thin and filmy, circular 
at first, then, from several becoming confluent, more or less lobed or irre- 
gular. Ceramidia one or two, depressed. 
4. Fig. 1. MeLoBesia MEMBRANACEA, growing on a leaf of Zostera :—the na- 
tural size. 2. A portion magnified. 
Prate CCCXLVII. 2B. 
MELOBESIA FARINOSA, Zamour. 
MELoBEsIA /arimosa ; minute, irregular in outline, rather thin, pallid, with 
two or three prominent ceramidia. 
ME Loses!IA farinosa, Lamour. Cor. Flex. p.315. pl. 12. Harv. Man. ed. 2. 
p- 109. Kitz. Sp. Alg. p. 696. 
Has. On various Alge. 
Descr. Rather larger and thicker than the preceding, with more prominent 
fruit. In other respects similar. 
B. Vig. 1. Menopesia FARINOSA, growing on Phyllophora rubens :—natural 
size. 2. A portion magnified. 
