192 Baker . — A Summary of the new Ferns 
but the habit of the plant is entirely different. Matonia ought 
clearly to form a tribe by itself, not to be united with the 
Cyatheaceae. 
HYMEN OPHYLLACEAE. 
Genus 16. Hymenophyllum Smith . 
3*. H. Armstrongii, Kirk ; Baker, in Hook. Ic., tab. 161^ — H. me - 
lanocheilos , Colenso, in Trans. New Zeal. Instit. XVII, 255, is 
the same as Trichomanes Armstrongii , Baker, Syn. Fil. edit. 2, 
465- 
5*. H. Balfourii, Baker, n. sp. Rhizome filiform, wide-creeping. 
Stipe filiform, very short. Frond deltoid, glabrous, -J-J in. long, 
cut down to a narrow wing into 3-6 erecto-patent lobes, the 
upper simple, the lower forked. Sorus one to a frond, immersed 
in the end of a lobe ; indusium with a cuneate tube and orbi- 
cular lips. Bourbon, Balfour. Near the American H. ab- 
rupium, Hook. 
8*. H. vincentinum, Baker, Ann. Bot. V, p. 164, Plate X. St. 
Vincent, H. H and G. W. Smith, communicated by F. Ducane 
Godman, F.R.S. 
8*. H. terminale, Philippi, in Linnaea, XXXIII, 306. Chili. Near 
H. rarum . 
10*. H. paniculiflorum, Presl ; V.D. B. Hymen. Jav. tab. 39. Japan. 
Appears to be a distinct species, intermediate between gracile 
and polyanthos. 
14*. H. Thuidium, Harringt., in Journ. Linn. Soc. XVI, 23. Panay, 
Philippines, Steere. 
15*. H. ooides, F. M. & Baker, in Journ. Bot. 1890, 103. High- 
lands of New Guinea, Sir W. Macgregor. 
16*. H. dejectum, Baker, in Trans. Linn. Soc. N. S. Bot. II, 289. 
Summit of Mount Roraima, im Thurn. 
18. H. polyanthos, Sw. I cannot separate H. lophocarpum, 
Colenso, in Trans. New Zeal. Instit. 1884, 233. 
18*. H. villosum, Colenso; Kirk, in Trans. New Zeal. Instit. X, 
393. Midway between polyanthos and demissum , more deltoid 
in outline than the former, with narrower segments and smaller 
sori. New Zealand. 
18*. H. trichomanoides, Bailey, in Queensl. Flora, Suppl. 3, p. 90, 
