374 A. E. Verrill on New Corals. 
Leptogorgia robusta sp. nov. 
posi 
sides, and 5 to 1 inches apart. The branchlets are curved at 
base, then ascend at an aig of about 45°; they are rarely coa- 
lescent, stout, rigid, obtuse, 1 to 3 inches long, a little com- 
pressed, with a broad band of polyp-cells on each side, with 
narrow, depressed, sterile median bands, often with a distinct 
groove. The polyp-cells are numerous, close, rather large, 
oblong or oval, usually at the summit of large, low, round 
verrucs, sometimes scarcely raised; they form about 4 to 6 
irregular alternating vertical rows on each side of the branch- 
lets, and 8 to 12 on the main branches, and are usually separa- 
ted by distances about equal to their own diameter. Ccenen- 
chyma moderately thick, finely granulous. Axis stout, round 
or a little compressed, nearly smooth and brownish black in 
the larger branches, the axils flattened; in the branchlets firm 
and rigid, tapering, dark reddish brown, slightly translucent; 
base thick, spreading, yellowish wood-brown. ; 
Color of ecenenchyma dull dark yellow, tinged with purplish 
brown on the verruce. Height 12 inches; breadth 5; diame- 
ter of main branches ‘22 to ‘25; of axis ‘12 to 15; diameter of 
terminal branchlets 18 to 16; of their axis at base ‘04 to ‘05; 
diameter of verruce ‘04 to 05; height ‘01 to 03; diameter of 
cells 02 to ‘03 of an inch. 
come 
double-spindles, regularly tapering to each end, with three or four 
well separated whorls of warts on each half; some shorter and 
oe es and double-spindles. Small, rounded, closely warted 
ouble-heads occur sparingly. pe 
Ssebib soingin measure ‘216™™ by ‘072™, 
04 by “060, “180 by -072, -168 by 060, “168 by 066, “156 by 
048; the purple spicula 216 by 086, 204 by “018, ‘192 by 
180 by 024, 156 by 030, 144 by 036. | 
ro Island,—Prof. A. Hurd. Two specimens attached to 
y ta 
ches. The spicula and verruce are 
color of Z. rigida is almost always uniform 
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