Thomsoniane. N. O. Filices. 
DCCCCLXXV. 
ACTINIOPTERIS RADIATA, Link. 
84, ¢. 25. 
\crostichum dichotomum, Forsk. Fl. AEgypt.-Arab. p. 184. 
pt 
Blechnum radiatum, Presi, Tent. Pterid. p- 102. 
8. frondibus magis elongatis, segmentis paucioribus vix 
radiatis, apicibus fere omnibus integerrimis subulatis. (See 
Tas. 976, for synonyms and remar 8). 
Has. Arabia, Forskal. Upper Egypt and Cordofan, oo 
Stocks. Bombay, Dr. Gibson. Old walls, Madras, common, 
Dr. Wight. (n. 109.) Mr. Gideon Thomson. Old wall, foot 
of the Limestone hills, near Segain, Northern India, 
. Tho 
rather large ferruginous scales at the very base, slender, 
; : 8} : 
urid colour, their ultimate segments linear, 2-3. toothed: 
the fertile fronds tt but not always jonger ess spreading; 
‘ eeply divided segment 
snarp point and entire or nearly so. The involucre is naITow, 
linear, fixed to a marginal nerve (which bears the sorus al 
aoe Inwards). Nerves strong, dichotomous, following 
the divisions of the frond. 
Fig. 1.-2. Plants, nat. size. : 3. Segments of a fertile 
frond :— magnified. f 
K 
