Page:Manual of the New Zealand Flora.djvu/1011

Pteris.] inner one often very inconspicuous.—''Hook. Sp. Fil.'' ii. 196, t. 141; ''Hook. f. Handb. N.Z. Fl. 363; Hook. and Bak. Syn. Fil. 162; Benth. Fl. Austral.'' vii. 731; ''Thoms. N.Z. Ferns, 60; Field, N.Z. Ferns,'' 92, t. 14, f. 1, 1a. P. esculenta, ''Forst. Prodr.'' n. 418; PI. Escul. 74; ''A. Rich. Fl. Nouv. Zel. 79; A. Cunn. Precur. n. 200; Raoul, Choix,'' 38. Pteridium aquilinum, Kuhn.

2. P. scaberula, ''A. Rich. Fl. Nouv. Zel.'' 82, t. 11.—Rhizome wide-creeping, rigid, wiry, clothed with chestnut-brown scales. Stipes 4–12 in. long, rigid, erect, yellow-brown or chestnut-brown, scabrous, glandular-pubescent and usually more or less bristly. Fronds 9–18 in. high, rarely more, 4–9 in. broad, ovate or ovate-lanceolate, acuminate, rigid, coriaceous, pale yellow-green, usually copiously glandular-pubescent on both surfaces, rarely almost glabrate; rhachis scabrous, flexuous. Primary pinnaæ numerous, the lowest pair often distant, lanceolate or ovate-lanceolate, 3–9 in. long; secondary lanceolate. Ultimate divisions small, $1⁄10$–¼ in. long, stipitate, acute, entire or the barren ones toothed or incised, often lobed or pinnatifid at the base; veins obscure. Sori copious, when mature usually covering the whole segment except the costa and the extreme tip and base.—''A. Cunn. Precur. n. 204; Raoul, Choix, 38; Hook. Sp. Fil. 174, t. 93a; Hook. f. Fl. Nov. Zel.'' ii. 25; ''Handb. N.Z. Fl. 364; Hook. and Bak. Syn. Fil. 163; Thoms. N.Z. Ferns, 61; Field, N.Z. Ferns, 94, t. 19, f. 5. P. microphylla, A. Cunn. Precur. n. 206; Raoul, Choix,'' 38. Allosurus scaberulus, Presl. Poesia scaberula, Kuhn.

3. P. tremula, R. Br. Prodr. 154.—Rhizome short, stout, suberect, putting up numerous tufted erect fronds. Stipes 1–2 ft. long, stout, erect, quite glabrous, smooth and polished, bright chestnut-