530 ALGÆ NOVÆ ZELANDIÆ, 
Our specimens are abundantly covered with the larges 
cushion-like blotches of fructification, which are very irre- 
gular in form and size. They do not appear to differ in 
any essential respect from Canary Island specimens also 
before us. 
37. Zonaria Sinclairii, nobis ; cæspitosa, caule gracili filiformi 
flexuoso villoso ramoso, ramis setaceis elongatis in frondes 
pusilas anguste cuneatas fissas basi longe attenuatas 
abeuntibus. 
Has. New Zealand, Dr. Sinclair. 
Root a widely spreading mass of stupose fibres, from 
which rise numerous slender filiform stems 4-5 inches long 
and scarcely thicker than hog's bristle, flesuous, branched, 
and every where clothed with short woolly hairs. The 
branches terminate in very marrow wedge-shaped cloven 
fronds. Colour a greenish-olive. 
38. Dictyota dichotoma, Lam. 
Has. New Zealand, plentiful. Lyall, &c. 
39. Dictyota Kunthii, Grev. Zonaria Kunthii, Ag. Ic. t. 16. 
Has. New Zealand, Sinclair. 
EcrTocARPEX. 
40. Sphacelaria hordeacea, Harv. in Hook. Ic. PI. t. 614. 
Has. Bay of Islands, Sinclair, Colenso, Lyall, Hooker, &c. 
41. Sphacelaria virgata, nobis; scoparia, basi stupposo, cau- 
libus tenuibus, ramis basi sæpe nudis elongatis virgatis — 
simplicibus circumseriptione lineari-lanceolatis, ramulis 
 quadrifanis crebris brevibus pinnatis circumsoriptione - 
obovatis, pinnis creberrimis elongatis erectis simplieibus 
fureatisve vel secunde ramulosis fastigiatis apice sphace- — 
Has. Bay of Islands, Davis, Lyall. 
Stem 8-9 inches long, in the lower part thickish and 
covered with dense woolly hairs, naked above and very 
slender; branches long and simple, setaceous, naked below, 
. Tough with the bases of broken ramuli, densely clothed’ 
.. with quadrifarious branchlets above, which are 4-3 inch 
