Page:Manual of the New Zealand Flora.djvu/971

Hymenophyllum.] broadly rhomboid, divided half-way down, cuneate at the base; valves broad, rounded.—''Hook. Sp. Fil. i. 101; Hook. f. Fl. Antarct. i. 105; Fl. Nov. Zel.'' ii. 12; ''Handb. N.Z. Fl. 353; Hook. and Bak. Syn. Fil. 58; Benth. Fl. Austral.'' vii. 705; ''Thoms. N.Z. Ferns,'' 38. H. semibivalve, ''Hook and Grev. Ic. Fil. t. 83; A. Rich. Fl. Nouv. Zel. 94; A. Cunn. Precur. n.241; Raoul, Choix,'' 39. H. imbricatum, ''Col. in Tasm. Journ. Nat. Sci.'' (1845) 27.

2. H. polyanthos, ''Swartz, Syn. Fil.'' 149; var. sanguinolentum ''Hook. Sp. Fit.'' i. 107.—Forming matted patches on the trunks or branches of trees or on rotten logs. Rhizome rather stout, creeping, much branched, usually bristly with reddish-brown hairs. Fronds erect or decurved, somewhat opaque, dull olive-green, reddish-brown when dry, 2–9 in. high, broadly ovate or oblong, 3-pinnatifid, glabrous or the stipes and rhachis with scattered red-brown hairs when young. Stipes rather stout, narrowly winged above; rhachis broadly winged throughout, stout, flexuose. Primary pinnæ close or rather distant, spreading, rarely decurved; secondary short, deeply pinnatifid. Segments narrow-linear, obtuse, flat or the margins undulate. Sori mainly in the upper part of the frond, usually terminating short somewhat contracted lateral segments, quite free or very slightly sunk at the base. Indusium broader than the segment, broadly ovate or suborbicular, 2-valved to the base; valves obtuse, entire or slightly sinuate, often crested on the back.—''Hook. f. Fl. Nov. Zel.'' ii. 14; ''Handb. N.Z. Fl. 354; Hook, and Bak. Syn. Fil. 60; Thoms. N.Z. Ferns, 38; Field, N.Z. Ferns, 58, t. 28, f. 7. H. sanguinolentum, Swartz, Syn. Fil. 148, 376; A. Rich. Fl. Nouv. Zel. 93; A. Cunn. Precur. n. 234; Raoul, Choix,'' 38. H. lophocarpum, ''Col. in Trans. N.Z. Inst.'' xvii. (1885) 255. Trichomanes sanguinolentum, ''Forst. Prodr.'' n. 465.

3. H. villosum, ''Col. in Tasm. Journ. Nat. Sc.'' (1845) 25.—Forming dense matted patches on the trunks of trees or amongst moss. Rhizome much branched, wiry, creeping. Fronds erect or