4 
FfiRKS OF -NATAL. 
top ; lower piuua; 2-3 in. 1., erecto-pateut, ovate or lanceolate-rhomboidal, cu 
down to a rachis whicli is very narrowly winged throughout or free below 
pinnl. deeply pinnatifid, with deeply toothed or even pinnatifid linear lobes 
texture subcoriaeeous, colour dark-green, nearly black when dry, nearly nakec 
often slightly crisped ; sori 2-12 to a pinnule, small, axillary, the tube more o 
less exserted, the mouth slightly dilated. (T. strictwn, If. and G.) Hab. 
Usually growing near running water; Kranskloof; the Inanda ; Great Noods 
berg ; near source of Umhlasine ; Attcrclilfe. 
Oen. 18. — Davalija, Smith. 
Sori intra- or suhmarginal, globose or elongated, either laterally or vertically 
Invol. terminal on the veins, various in shape, united or free at the sides 
the apex always free. Caps, stalked. 
13. I), clegans, Swartz ; rhizome stout, creeping, densely clothed with woollj 
fibres ; st. firm, erect, 4-8 in 1. ; fr. 1-2 ft. 1., 9-15 in. br., deltoid, tripinnatifid 
main rachis slightly winged towards the apex ; pinnl. of the lower pinna; 2-3 
in. 1., 1 in. br., deltoid-lanceolate, cut down quite to the rachis in the lower part , 
with oblong-deltoid segm., which arc slightly toothed and obliquely truncate at 
the base on the lower side, texture coriaceous ; venation close, prominent, 
irregular ; sori several to a segment, marginal, but the sharp teeth projecting 
beyond them at the edges ; invol. half cup-shaped. Hab. : — Hear Umzinyati 
Palls, Inanda ; on rocks. 
14. D. nitidula, Kunze ; rhizome stout, creeping fibrillose ; st. G-8 in. 1., 
firm, but rather slender ; fr. 12-24 in. 1., 9-15 in. br., deltoid, quadripinnatifid ; 
pinnl. of the lower pinna- deltoid, cut down to the rachis into rather distant 
deltoid segm., the lobes of which are again deeply pinnatifid ; texture between 
herbaceous and coriaceous ; sori half cup-shaped, two-liorned, occupying the 
whole of the end of the ultimate teeth. Jlab. : — On trunks of old trees in eoast 
bush, Durban. 
15. D. Speluncce, Baker ; st. strong 12-18 in. 1. ; fr. 3-6 ft. 1., 12-24 in. br., 
deltoid tri- or quadri-pinnatifid lower pinna- (5-12 in. 1., 3-4 in. b., ovate lanceolate ; 
pinnl. lanceolate, cut down to flic rachis below into oblong deeply-toothed 
lobes ; texture herbaceous ; rachis and under surface hairy ; veins beneath 
neither prominent nor rigid ; sori 2-20 to a segment, placed one or more toge- 
ther at the base of the lobes. (Microlepin polirpodiohles, Presl.) Hab. : — In 
marsh, under bush ; Bay of Natal. 
16. D. concinna, Schrad. ; st. tufted, 3-4 in. 1., erect, naked ; fr. 6-9 in. 1., 
2-3 in. br., oblong-acuminate, bi pinnate, lower pinna; e recto-] intent, ; 1.1-2 in. 1., 
i in. br., with simple or forked branches equalling the rachis in breadth, 2-3 lin. 
1., i lin. br. ; texture stoutly herbaceous, surfaces naked ; sori half cup-shaped, 
1 lin. br., sunk in the dilated apices of the segments. (D. Campi/loplera, lvze.) 
Hab. : — Trees, Town Hill, Maritzburg ; Richmond Nottingham ; Cathkin. 
