26 Classification and Description 
retuse. Involucre, small* globose* sub-pedicelled, solitary* 
sub-terminal in sinuses of tertiary pinnules and segments* 
numerous, scattered : Valves , large* and entire. Machis, 
winged, 8 — II inches ; margin entire. Stipe , semi-terete, 
ilattish, somewhat fleshy, brittle* winged to caudex, glabrous, 
densely fimbriated at base ; margin entire. Caudex , 
creeping. 
Hab, On reclining and prostrate trees, humid woods, 
shores of Waikare. Lake ; December, 1841. 
Ohs . This fine and very beautiful species becomes circin-. 
nate as it gets old. In affinity it somewhat approaches ID 
jftexiwsum , JR, Cunn . ; from which* however* it may at first 
sight be discriminated* by its being tripin nate, and by its 
winged stipe and raehis being destitute of undulations, &e. 
86. EL revolutum, ii. sp. Plant, small* climbing, few 
fronded* sub-erect and spreading, glabrous, epiphytical. 
Frond, ovate or oblong-lanceolate, obtuse* pinnate-pinoatifid 
or sub-bipinnate, 2 — 5 inches; dusky green. Pinnules; 
somewhat trapezio-faleate, petiolate, alternate* distant, pin- 
natifid, 3—12 lobed : lobes, linear-oblong, truncate, deeply 
serrate or sub-laciniated ; serratures acute and somewhat 
hooked ; mostly four laciniations at apex, decurrent, revolute j 
lowermost wedge-shaped and deeply bifid. Involucre , oh= 
ovate or sub-rotund, inflated, laciniated, supra-axillary, soli- 
tary, pedicelled ; pedicel, margined ; Valves, large, open : 
Receptacle, exserted. Raehis, flexuose, margined towards 
apex; margin, serrate; serratures, distant. Stipe, filiform* 
cylindrical, brittle* finely striated* tortuous, 1—1 J inches 
long. Caudex, creeping. 
Hah, On sides of prostrate and reclining trees, shores of 
.Waikare Lake ; ‘ December, 1841. 
Obs. A species possessing very dose affinity with H, 
Tunbridgense , Sm, 
31. H. atroyirens, B. sp. Plant, small, few fronded, 
erect, glabrous* terrestrial. Frond, oblong-ovate, sub-acu- 
