Ser. RooposPERMES. Fam. Gastrocarpea. 
Puate CXXIII. 
KALLYMENIA DUBYI, Harv. 
Gen. Cuan. Frond blood-red, ribless, expanded, carnoso-membranaceous, 
formed internally of three strata; the zauer, of interlacing filaments ; 
the medial, of large, roundish cells; the outer, of minute, vertical 
filaments. ructification two-fold, on distinct plants; 1, spherical 
masses of spores (/avel/idia), semi-immersed in the frond; 2, trian- 
gularly divided, scattered tetraspores. Kattymenta (J. 4g.),—from 
kadhuis, Leautiful, and ipny, a membrane. 
Kattymenta Dusyi; stem compressed, gradually expanding into an ob- 
ovate, simple, dull-red frond, wedge-shaped at base; favellidia very 
minute, densely scattered over the surface. 
HatyMEnia Dubyi, Chauv. Bot. Gall. p. 944. 
HaLyMeEnta laminarioides, Bory, sec. Lenorm. 
Nemostoma Dubyi, J. 4g. Alg. Medit. in not. p. 96. 
Ir1pxa Dubyi, Lenorm. in Hert, 
DELEssERIA Ferrarii, Bonnem. et Lamour. sec. Lenorm. 
Has. On rocks and stones, within tide-marks, in land-locked bays. 
Annual. Spring and early summer. Falmouth Harbour, Wiss Warren. 
Plymouth, Rev. W. S. Hore, and Mr. J. W. Rohloff. (Carnlough Bay, 
Miss Davison. {1833.] Belfast Bay, in ten fathoms water, Mr. WV. 
Thompson.) 
Geogr. Distr. Ailantic shores of France and Spain. 
Descr. Root a small. conical dise. Stem a line or two in length, compressed, 
soon expanding into the cuneate base of the frond. Fronds six to twelve 
inches long, three to five inches. wide, carnoso-membranaceous, oblong, 
or more or less obovate, somewhat nndulate at the margin, simple, obtuse, 
tapering at the base; rarely cloven, and never naturally so; in age be- 
coming thicker and more cartilaginous. Fructification; very minute, dot- 
like favellidia, immersed in the substance of the leaf, somewhat prominent 
on one surface, densely scattered over the whole frond, spherical, containing 
a dense mass of angular spores, surrounded by a hyaline pericarp. Colour 
a dull, deep red, becoming paler, and, finally yellowish in age. 
LOO 
In the remarks under Kal. reniformis, already figured at 
Plate XIII., I have noticed a plant as having been found at 
Falmouth by Miss Warren, which | suggested might belong to 
a different, but closely allied, species. The figure now given is 
VOL. II, B 
