FERNS OR NATAL. 
* 
base cuneate, the valves rounded. Hab. : — Baviue, Fort Buckingham ; 
intzkop. 
.. II. Tunbridgense, Smith ; st. 4-1.} in. 1. ; fr. oblong-lanceolate 1-3 in. 1., 1-1 
br., pinnate throughout ; pinnae distichous, flabellato-pinnatifid ; the lobes 
ar 1-3 lin. 1., and, as well as tho usually solitary axillary suborbicular com- 
nd invol., conspicuously spinuloso-serrated ; the racliis and upper part of the 
n stem winged. Hab.: — Damp rocks, Krantzkop; Krantzkloof; Town 
I ; Great Noodsberg ; Karkloof. 
Gen. 17. — Trichomanes, Smith. 
R Receptacle generally exserted. Involucre tubular, subcylindrical, generally 
entire. 
. T. pusillum, Swartz ; rhizome wide -creeping, tomentose ; fr. nearly sessile, 
in. 1., 4-1 i«. hr., oblong or obovatc, cuncate-attenuate below, once deeply 
■ natifid down to a broadly -winged racliis ; lobes linear or oblong, toothed or 
ply pinnatifid, texture membranaceous ; a central costa in each pinna, with 
oerous erecto-patent secondary veins and spurious venules ; sori 1 to 4, round 
apex of the frond, tube exserted, mouth with two largo rounded lobes. The 
al plant is the var. T. quercifolium, Hk. & Gr. Hab. : — Krantzkop ; 
i irtkop, on moist rocks or on trees ; Town Hill ; Great Noodsberg ; Not- 
; ;ham. 
0. T. Filicula, Bory ; rhizome wide-creeping, tomentose, rather slender ; st. 
in. 1., naked, slightly-winged above ; fr. 1-4 in. 1., 14,-2 in. br., ovate tripiu- 
fid, main racliis with a very narrow wing ; pinnae ovate-rhomboidal pinna- 
i l down to a narrow-winged racliis, with the lower pinnl. again deeply pinna- 
1 1 ; ultimate segm. linear ; texture firm, membranaceous ; a central costa in 
i segment ; spurious venules none or indistinct ; sori 1-4 to a pinna, axillary 
■ terminal on the segments ; tube sunk or somewhat exserted, the mouth 
y y distinctly two-lipped, the lips subtriangular with a rounded apex. Hab. : 
! tavincs at Fort Buckingham ; Krantzkop. 
1. T. pyxidifenm , L. ; rhizome wide-creeping, tomentose, rather slender ; 
1L-2 in. 1., naked, winged above ; fr. 1-6 in. 1., 1-li in. br., ovate oblong, tri- 
natifid, main rachis with a very narrow wing; pinna: ovate-rhomboidal, 
a natifid, down to a narrow-winged rachis, with the lower pinnl. again deeply 
natifid; ultimate segm. linear, often emarginate at the apex ; texture mem - 
i xiaceous ; a central costa in each segment ; spurious venules none or indistinct ; 
i i 1 to 4 to a pinna, axillary, tube more or less winged, mouth broadly dilated 
. scarcely two-lipped ; recept. filiform, exserted. Hab. : — On wet rocks and 
I ; nks of trees ; common from Field’s Hill to Drakensberg ; Noodsberg ; Town 
II; Nottingham; Cathkin; Field’s Hill, Pinetown ; Deepdenc, Bichmond. 
1.2. T. rigidum, Swartz ; st. tufted, erect, wiry, 2-8 in. 1., naked or very 
j htly winged above ; fr. 2-8 in. 1., 2-6 in. br., deltoid or ovate-acuminate, 
or quadripinnatifid, the main rachis usually only slightly winged towards the 
