12 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. 



HYMENOPHYLLACEAE. 



Genus 16. HYMENOPHYLLUM Smith. 



3*. H. Armstrong!!, Kirk; Baker, in Hook. Ic., tab. 1614 = 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, \~\ in. long, 

 cut down to a narrow wing into 3-6 e recto-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- 

 ruptum, 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. terminate, 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 

 &R&. polyanthos. 



14*. H. Thuidium, Harringt., in Journ. Linn. Soc. XVI, 25. Panay, 

 Philippines, Sieere. 



15*. H. ooides, F. M. & Baker, in Journ. Bot. 1890, 105. 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, 255. 



18*. H. villosum, Colenso; Kirk, in Trans. New Zeal. Instit. X, 

 395. 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, 



