92 18. DAVALLIA, §}§ ODONTOLOMA. 



Hab. New Zealand.— Allied to £>. pulchra, but much larger in size, with broader 

 more divided segments. 



20. D. (Leucos.) ehcerophylla, Wallich ; rhizome wide-creeping, clothed with 

 broad obtuse adpressed scales ; st. 4-6 in. 1., naked ; fr. 9-16 in. 1., 4-8 in. br., 

 lanceolate-deltoid, tri- or quadripinnatifid ; lowest pinnl. 1-2 in. 1., 1 in. br., cut 

 down to a narrowly-winged rachis into deeply pinnatifid segm., ultimate lobes 

 narrow and acute in the fertile, rather broader in the barren frond ; texture 

 thinly herbaceous, rather flaccid ; sori copious, placed at the base of the teeth of 

 the segments, which they about equal in breadth. — Hk. Sp. Ml. \. p. 157. #.61. A. 

 Cystopteris squamata, Deo., Hk. ISp. Fil. 1. p. 201. D. pulchra, D. Don, oldest 

 name. 



Hab. North of India, ascending in the Himalayas to 9-10,000 ft., Cashmere, Neil- 

 gherries, Ceylon, Malayan Peninsula. 



21. D. (Leucos.) parmila, Wallich ; rhizome wide-creeping, scaly ; St. 1-2 in 1., 

 or fr. subsessile, J-f in. 1. by J in. br., deltoid in outline, hi- or tripinnate, with 

 all the divisions of the frond almost filiform and the ultimate segni. sharp at the 

 point ; texture coriaceous ; sori placed at the sinuses of the ultimate forks ; invol. 

 broader than the segments.— ^/i. /S>. 1. p. 160. Uk. S Gr. Ic. Fil. 138. 



Hab. Singapore and Borneo. — ^Placed by Mettenius in Snmala^ with which it quite 

 agrees in habit. 



22. D. (Leucos.) affinis, Hk. ; rhizome thick, densely clothed with sharp- 

 pointed ferruginous scales ; s?. 4-9 in. 1., erect, strong ; fr. 12-24 in. 1., 6-12 in. 

 br., deltoid-lanceolate, tri- or quadripinnate ; lower pinnl. with oblong rhom- 

 boidal lobes, the segm. of which are deeply and finely inciso-pinnatifid with 

 sharp teeth ; texture herbaceous ; sori 2 to 6 to a segment, small, placed at the 

 base of the teeth. — Hk. Sp. "V.p. 168. t. 52. B. D. hymenophylloides, i?&me, 

 oldest name. 



Hab. Neilgherries, Ceylon, Java, East Himalayas, and Polynesia. — Lowest pinnules 

 often 2 in. 1., 1 in. br. Probably a variety of pulchra. 



23. D. (Leucos.) nodosa, Hk. ; fr. tufted ; st. 12-24 in. I., strong, erect, scaly 

 below ; fr. 2-4 ft. 1., broadly ovate, quadripinnate ; lower ^imrecB 12-18 in. 1., 6-9 

 in. br. ; lower pinnl. lanceolate, 4-6 in. 1., 2 in. br., the segm. cut down to the 

 rachis with distant, small, rather bluntly-toothed oblong-deltoid lobes; texture 

 herbaceous ; sori small, 1 to 4 to a lobe, placed between the costa and margin. 

 — BS:. Sp. 1. p. 157. Jtew Gard. Misc, 9. *. 10. Acrophorus, Presl. 



Hab. North Hindostan, ascending in Sikkim to 7-10,000 ft., Malayan Peninsula, 

 Java. — Fronds like those of an Alsophila, but habit not arborescent. It is the original 

 Acrophorua of Presl. 



24. D. (Leucos.) ferulacea, Moore ; st. 6-9 in. 1., erect, strong ; fr. 9-18 in. 1., 

 6-9 in. br., supra-decompound ; pinnl. of the lower pinnae 2-3 in. 1., 1 in. br., 

 deltoid, their segments cut down to the rachis, and the lobes again cut down into 

 linear-filiform ultimate divisions about \ lin. 1. ; texture thinly herbaceous ; sori 

 placed at the dilated apices of the ultimate divisions ; inool, oblong. D. tricho- 

 manoides, Hk. 2nd Cent. Ferns, t. 64, not Blume. 



Hab. Fiji Islands ; gathered by Mr. Milna 



§§§ Odpntoloma. Inyol. as in Leucostegia, but mth a tendency to lecome emflumt, 

 and the pinnules pellitcido-herbaceous in texture and dimidiate {resembling a quarter 

 of a circle) in shape. Sp. 26-30. A small natural group very near the dimidiate 

 LindsaycB. All but one are inhabitants of S. E. Asia and Polynesia, one being 

 S. American, and one Mauritian. 



