16 
PERNS OF NATAL. 
ccolate, with numerous pinna;, the lower ones spreading, lanceolate, 3-6 in. 
1-1£ in. br., cut down to a compressed winged rachis into lanceolate or ovat 
rhomboidal pinnl., which are again deeply inciso-piunatifid ; texture, thin 
herbaceous ; rachis naked, slender ; veins pinnate in the lobes ; sori lines 
oblong, the lower ones often curved. Hab. : — Rocks, Lyndoch ; common 
bush, Cathkin. 
68. A. asp idio ides, Schleelit. ; st. tufted, 6-12 iu. 1., stramineous, slend 
naked, except at the base ; fr. 1-2 ft. 1 ., 8-12 in. br., ovate-deltoid, tri-pinnatifl 
lower pinnae 6-8 in. 1., lanceolate-deltoid ; pinnl. lanceolate, cut down belt 
nearly to the rachis into inciso-piunatifid ovate segm. 2 lin. br. ; texture, Ik 
baceous ; colour, dark-green ; both surfaces naked ; rachis stramineous, slende 
sori copious, oblong, the lower ones curved. Hab. : — A ery wet places ; Fc 
Nottingham ; Krauz-Kop ; Noodsberg ; Richmond ; Maritzburg. 
Gen. 42. — DiDYMOCHLjEXA, Dcsv. 
Sori elliptical, terminal on a veiulet, but distinctly intramarginal. luv 
elliptical, emarginate at the base, attached to the linear receptacle, free 
round the edge. 
69. I). lunulata, Desv. ; eaud. erect, subarboresccnt ; fr. densely tufted, -1 
ft. 1., bipinnatc ; pinnl. ^-1 in. br., dimidiate, subquadrangular, entire 
slightly sinuated ; texture, subcoriacoous ; venation, subfiabellato ; sori 2-6 t< 
pinnule. (T) dmidiata, Kze.) Hab.: — Moist places in bush ; Inanda; Tor 
hill, Maritzburg. 
Gen. 43. — As I’IDU'. m, Sw. (Shield-fern). 
Sori subglobose, dorsal or terminal ou the veinlcts. Invol. orbicular, fixed 
the centre. 
70. A. aculeatum, Sw. (Prickly Shield-fern) ; st. tufted, 6-12 in. 1., more 
less clothed with ovate-lanceolate and fibrillose pale-brown scales ; fr. 1-2 ft. 
8-12 in. br., ovate-lanceolate ; lower pinna; close, lanceolate, 4-6 in. 1., J-J 
br. ; pinnl. ovate-rhomboidal, unequal-sided, auricled on the upper side at 
base ; teeth aristate ; texture, subcoriaceous ; rachis straw-coloured, more 
less scaly ; under surface slightly fibrillose ; sori principally iu two rows nea 
the midrib than the edge. ( Polgslichum angulare, Presl.) Hab. : — In bus 
Noodsberg ; Kranz Kloof ; Kranz Kop ; Townliill, Pietermaritzburg ; abund 
from Ivarkloof to Drakensberg. 
71. A. pungeus, Kaulf. : rhizome, stout, wide-creeping ; st. scattered, 1 ft 
stramineous, scaly only below; fr. 2-3 ft. 1., 9-12 in. br. ; lower pinna; 6-12 
I., 1-2 in. br. ; pinnl. ovate-rhomboidal, unequal-sided, often deeply pinnati 
the teeth awned ; texture, subcoriaceous ; both surfaces naked ; sori prineipi 
in two rows nearer the midrib than the edge. Best distinguished from aculeat 
by its creeping rhizome. ( Polgstichum pungens, Presl.) Ilab.: — In bu: 
common from Inanda to Drakensberg. 
