of some New Zealand Ferns. 
187 
initiate, obtuse, tripinnatifid, 2—3 inches ; colour, blackish- 
green. Lobes , linear, bifid, sub-retuse, decurrent, entire. 
Involucre , deltoid-ovate, obtuse and toothed, in pairs, ter¬ 
minal : Valves , gaping. Rachis and Stipe , margined, 
entire; Stipe, somewhat succulent, 1—1J inches. Caudex , 
creeping. 
7/a5. On rocks and stones, in low places and water¬ 
courses, in wet woods, shores of Waikare Lake ; December, 
1841. 
Obs . A species apparently very near LI. Jlexuosum, R. 
Cunn .; from which, however, it differs in the involucre, &c. 
The involucre in that species being “ orbiculate”. 
32. H. IMBRICATUM, n. sp. Plant, small, very ceespitose, 
creeping, reclining or pendulous, glabrous, glaucescent. 
Frond , sub-pinnate-pinnatifid, oblong or ligulate, very obtuse, 
8—15 lines long. Pinnules , sub-flabelliforin or cuneate, 
somewhat falcate, obtuse, sub-sessile, alternate, decurrent, 
much imbricated on each other, lower margins somewhat in¬ 
volute, lobed ; lobes , secund, 4—5 on each pinnule, linear or 
sub*cuneate, bifid obtuse or slightly emarginate, entire. In¬ 
volucre , large, orbicular, compressed, terminal oil upper seg¬ 
ments, solitary, half immersed in lobe of frond : Valves , 
large, entire : Receptacle , included. Rachis , sub-flexuose, 
margined. Stipe , cylindrical, filiform, fiexuose, glabrous, 
1—2 inches. Caudex , creeping, slightly villous. 
Hab. On edges of rocky precipices, in dry spots over¬ 
hanging water, at Pataua, near Wangarei, E. Coast; 1842. 
And on reclining timber, in woods between Wangarei and the 
Bay of Islands ; 1840. 
Obs. A small species, having close affinity with H. secun¬ 
dum, Rich., and II. semibivalve, Ilook.; differing, however, 
from the former species, in not being “ serrated,” and in not 
possessing an “ oval involucre and from the latter, in its 
frond not being “ lanceolate,” and in not having an “ urceo- 
late involucre with short lips/’ as well as from the very pe- 
