14. DEPARIA. 55 



.he apex ; pinnl. linear-oblong, J in. 1., little more than 2 lines br., pinnatifid 

 ivithin a short distance of the rachis into numerous linear lobes ; texture her- 

 baceous ; rachis and under surface glanduloso-pilose ; sori 2 to 16 to a pinnule, 

 placed at the base of the sinuses : invol. cup-shaped, globose, i line across. Hk. 

 Sp.Fil.l.p.79.t.27.C. 



Hab. Nepaul and Kumaon. This and the preceding resemble in habit Aihyrium 

 ilix-fcemina. Species 13 to 29, except 17, fall under the genus Sitolobium of /. Smith, 

 and have creeping rhizomes. 



GEN. 14. DEPARIA, Hook. & Grev. (See p. 4G3.) 



Sori protruded from the margin of the frond, or even stipitate. Invol. shal- 

 lowly-cupshaped, membranaceous, not 2-valved. Three very rare tropical species 

 with broad., ample leafy segments, which differ from Dennstsedia mainly by their extra- 

 marginal sori. Veins anastomosing in one of the species (Cionidium, Moore). 



1. D. prolifera, Hk. ; fr. once fully pinnate ; lower pinnae about 6-9 in. I., 

 l-lj in. br., pinnatifid down throughout within a short distance of the rachis ; 

 lobes oblong, slightly toothed, with often a space equalling their breadth between 

 them ; lateral veins of the lobes all simple ; texture herbaceous ; sori 4 to 12 to 

 a lobe, extra-marginal, sessile or stipitate. Hk. Sp. Fil. \.p. 85 ; Fil. Exot. t. 82. 

 D. Macraei, H. & G. Ic. Fil. 1. 154 



Hab. Sandwich Islands. 



2. D. concinna, Baker ; fr. twice pinnate ; lower pinnce more than 1 ft. 1., 

 nearly 2 in. br., cut down to the rachis in the lower part, but becoming nearly 

 entire towards the apex ; lobes blunt, entire, broadly oblong-rhomboidal, unequal- 

 sided and decurrent downwards ; lateral veins of the lobes once or twice branched ; 

 texture subcoriaceous ; sori 2 to 6 to a lobe, placed round the outer edge. Davallia 

 concinna, Presl. Hk. Sp. Fil. 1. p. 74. Deparia Matthewsii, Hk. Sp. Fil. 1. 

 p. 75. t. 30. B. 



Hab. Peru, gathered by MattheiKs and Spruce. This resembles closely Dicksonia 

 adiantoides in habit. It has the lower part of the sori included within the margin and 

 is placed by Moore in Dennstcedia. 



3. D. Hoard, Hk. ; fr. 12-18 in. 1., 6-9 in. br., cordate-deltoid in general out- 

 line, pinnate below, pinnatifid only above ; lower pinna; 6-9 in. 1., 4-6 in. br., cut 

 down to the rachis below into deeply-pinnatifid broadly-toothed lobes ; veins 

 anastomosing ; texture thinly herbaceous ; sori copious, extra-marginal or stipi- 

 tate. Hk. Exot. Ferns, t. 28. Cionidium, T. Moore. Trichocarpa, J. Smith. 



Hab. New Caledonia, gathered by C. Moore and Lenormand.A. much smaller plant 

 than the others, with thin, broad, leafy fronds aud anastomosing venation. 



TRIBE III. HYMENOPHYLLE.E (including Loxsoma). 



Sori terminal or marginal from the apex of a vein. Recept. elongated, often fili- 

 form and long, and exserted more or less, especially below clothed with sessile orbicular 

 imbricated subpeltate compressed capsules, surrounded by a complete transverse ring, 

 opening vertically. Invol. inferior, various in shape, generally of the same texture as 

 the frond. Small often epiphytal Ferns, herbaceo-membranaceous, more or less laxly 

 cellular, variously costate and veined. Caudex frequently long-creeping, and filiform. 

 (In Loxsoma the oblique ring of the subpedicellate capsule is incomplete : thefrondtt 

 are coriaceous.) GEN. 15-1 7. 



