64. SCI1IZ.EA, LOPHIDIUM. 429 



5. S. fistulosa, Labill. ; st. dense, chesnut-brown, passing gradually into the 

 fr., which is 4-12 in. 1., rigid, rush-like, subte.rete, simply channelled in front; 

 fertile segm. suberect, unilateral, \-l in. 1., with 10-20 close slender erecto- 

 patent spikes on each side, the lowest \ in. 1. Lai. Fl. Nov. Boll. t. 250. /. 3. 

 S. valdiviana, Phil. S. propinqua, A. Ounn. (in part). 



Hab. Australia, Tasmania, New Zealand, New Caledonia, Chili, and sent lately by 

 Lady Barkly from Madagascar. S. propinqua, is in part this, and in part unbranched 



S. bifida. 



6. S. robusta. Baker ; st. not very dense, dark-chesnut, passing gradually into 

 the fr., which is 6-10 in. 1., rigid and rush-like in texture, with a broad central 

 midrib and two narrow thick revolute edges, the whole under lin. thick ; 

 fertile segm. suberect, unilateral, J-f in. 1., with 4-6 stout erecto-patent spikes on 

 each side, the lowest in. 1. S. australis, Brack, p. 302 ? 



Hab. Sandwich Isles, Eillebrand. This may be a tropical form of S. australis, as 

 Brackenridge seems to consider it. If his plant be the same, it grows also in the Society 

 Isles. 



7. S. pectinata, Sm. ; st. very dense, chesnut-brown, passing gradually into 

 the fr., which is 4-8 in. 1., rigid and rush-like in texture, with a broad central 

 midrib and two narrow thick revolute edges, the whole under ^ lin. thick ; 

 fertile segm. nearly horizontal, |-f in. 1., -f in. deep, with 10-15 slender vertical 

 spikes on each side. Schk. t. 136. 



Hab. Cape Colony. 



** Fronds forked. Sp. 8. 9. 



8. S. incurvata, Schk. ; st. dense, chesnut-brown, passing gradually into the 

 fr., which is 6-18 in. 1., forked below the middle and sometimes forked again, 

 very wiry and rush-like in texture, smooth, subterete, simply channelled in 

 front, the whole J lin. thick ; fertile segm. erect, f-1 in. deep, with 10-20 slender 

 spreading spikes on each side, the lowest 2-2f lin. 1. Schk. t. 137. S. bifida, 

 Meyer (non Sw.). r 



Hab. Guiana and North Brazil. Very near the next, but more slender, with a panicle 

 like that of S. fistulosa. 



9. S. bifida, Sw. ; st. dense, chesnut-brown, passing gradually into the fr., 

 which is 6-18 in. ]., forked generally below the middle, sometimes forked again, 

 casually simple, very wiry and rush-like in texture, with a prominent scabrous 

 midrib and two narrow thick wings, the whole ^ lin. thick ; fertile segm. sub- 

 erect or recurved, unilateral, 4r-f in. 1., with 10-20 slender erecto-patent spikes 

 on each side, the lowest - in. 1. 



Hab. New Zealand and Temperate and North Australia. 



Lophidium, Rich. Fertile segment pinnate ; frond flattened ; caps, biserial. 

 Sp. 10 -14. 



10. S. (Loph.) rupestris, R. Br. ; st. lax, about 1 in. 1., subterete, passing 

 gradually into the fr., which is grass-like and flattened, almost fleshy in texture, 

 3-4 in. 1., 1 lin. br., with a slender midrib ; fertile segm. solitary, suberect, 

 \-% in. 1., with 6-10 slender spreading serrated spikes on each side. Hk. & Gr. 

 t. 47. G. F. t. 42. 



Hab. Temperate Australia. 



11. S. (Loph.) fluminensis, Miers ; st. passing gradually into the fr., which is 

 4-12 in. 1., slender, wiry, naked, once forked at the top, and each fork bearing 

 usually two stalked fertile segm., which are \-\ in. 1., the rachis slightly curved, 

 with 6-10 close-spreading slender spikes on each side, the point either not at all 



