170 
Classijicatloti and Description 
Pinnules ; primaries, rhombic-ovate, obtuse, petiolate ; pe¬ 
tioles long; alternate, very remote ; uppermost pinnatifid : 
secondaries, fan-shaped or obovate, cuueate at base deeply 
crenate or slightly lobed, petiolate, alternate, distant; lobes, 
2, 3, 4, in a segment, cmarginate obtuse or slightly acute ; 
glaucescent. Sori , oval, very thick ; lowermost 2—3, up¬ 
permost 1, ou each segment. Involucre , membranaceous. 
Rachis , Stipe, and Petioles , dry and somewhat chaffy. 
Stipe, 1 1 —2£ inches long, fimbriated at base ; whitish. 
Root, fibrous. 
Hab . Under volcanic conglomerate rocks, valley of 
II itinera, between Tauranga (Bay of Plenty) and the River 
Waikato ; January, 1842. 
Obs . I have done myself the very great pleasure of naming 
this graceful Fern in commemoration of J. D. Hooker, Esq., 
M. D., &c\, &c., who, as assistant-surgeon and botanist, 
visited this island in H. M. S. Erebus, in the winter of 1841 
ami with whom l had the unalloyed gratification of botanizing 
in the woods of New Zealand. 
10. A. Co LENS II, n. sp. Plant, small, sub-erect, csespi- 
tose, terrestrial. Frond, lanceolate or (when old) oblong- 
lanceolate, bi- or sub-tripinnate, floccosely-villous, especially 
underneath, 3—5 inches. Pinnules; primaries, oblong- 
lanceolate, acute, petiolate, alternate or sub-opposite, some¬ 
what remote; lowermost bipinnate ; secondaries, pinnatifid, 
acute, bifid, entire, alternate, rather distant; lowermost pin¬ 
nate, 14—4 on a petiole ; uppermost confluent, decurrent; 
sub ^divisions, oblong-ovate, bi-tri- and quadrifid, 5 —9 lobed ; 
lobes, ovate or linear-lanceolate ; light green. Sori, oblong- 
lanceolate, lowermost 3—4, uppermost 1—2, on a sub-divi¬ 
sion. Involucre , membranaceous. Rachis, Stipe, and 
Petioles, very villous. Stipe, 1—2 inches long; whitish. 
Root, fibrous. 
Hab. In clefts and on shaded rocks, dry places, on the 
borders of Waikarc Lake ; Dec., 1841. 
