Ser. RnoposPERME®. Fam. Spherococcoidee. 
Prats LXI. 
SPHAROCOCCUS CORONOPIFOLIUS, 4 
Gen. Cuan. Jord cartilaginous, compressed, two-edged, linear, distichously 
branched, with an internal rib, cellular; central cells fibrous ; medial 
polygonal; those of the periphery minute, disposed in filaments. 
Fructification ; 1, spherical tubercles (coccidia) having a thick, fibro- 
cellular pericarp, and containing a mass of minute spores on a central 
placenta; 2, ¢etraspores? (unknown). SpHarococcus (Stack.)— 
from oaipa a sphere or globe, and xéxkos, fruit. 
Spxzrococcus coronopifolius ; frond very much branched, branches alter- 
nate or subdichotomous, fan-shaped, multifid, ending in acute lacinie, 
fringed with cilia; tubercles immersed in the cilia. 
SpH£Rococcus coronopifolius, 4g. Sp. dig. vol. i. p. 291. Ag. Syst. p. 229. 
Grev. Aly. Brit. p. 138. t. 15. Hook. Br. Fl. vol. i. p. 304. Harv. in Mack. 
Fl. Mid. part. 3. p.203. Wyatt, Alg. Danm. n. 122. Harv. Man. p. 79. 
J. Ag. Alg. Medit. p. 154. Endl. 3rd Suppl. p. 52. 
GELIDIUM coronopifolium, Lamour. Ess. p. 41. 
RuyNncwococcus coronopifolius, Avitz. Phyc. Gen. p. 403. t. 61. f. 1. 
Fucus coronopifolius, Good. e¢ Woodw. in Linn. Trans. vol. iii. p. 185. Stack, 
Ner. Brit. p. 82. t.14. Turn. Syn. vol. ii. p. 288. Turn. Hist. t. 122. 
E. Bot. t. 1478. Esper, Ic. p. 60. t.138. Lamour. Dis. t. 33. 
Fucus coronopi facie, Rai Syn. p. 45. n. 23. 
Fucus cartilagineus, Huds. Fl. Ang. p.586 (not of Linn.). Desf. Fl. Atlant. 
p- 425. 
Has. On rocky sea shores, at extreme low-water mark, and at a greater 
depth; mostly cast on shore after a gale. Perennial. Summer and 
Autumn. Frequent on the southern shores of England, and southern 
and western shores of Ireland. Belfast Bay, M7. Templeton. Larne, 
Dr. Drummond. Very rare in Scotland ; Bute Dr. Greville. Ardrossan, 
Kilbride, and Arran, Rev. D. Landsborough. Jersey, Miss Turner 
and Miss White. 
Geoer. Distr. Atlantic shores of Europe. Mediterranean Sea. 
Dnscr. Root a flattish disc. Fronds from six to twelve or even eighteen inches 
in length, from two to four lines in width, very much branched, distichous ; 
the main stems compressed, thickened and two-edged below, becoming 
thinner and flatter in their upper parts, irregularly divided in a manner 
between dichotomous and alternate, the upper branches once or twice forked, 
gradually narrower, and ending in fan-shaped many-cleft lesser branches. 
Lacinie tapering to an acute point, their margins, and sometimes those of 
the older parts of the frond, fringed with slender cilia from half a line to a 
line in length, simple, acute, and spreading, in some of which ¢udercles are 
imbedded. Tubercles spherical, imbedded in the cilia below the apex, which 
