PLATE 1630. 
ADIANTUM BALFOURII, Baker. 
-Finices, Suborder Potypopiacea, Tribe Preripea. 
Adiantum Balfourii, Baker in Proc, Royal Soc. Edinb. inedit. ; candice 
breviter repente paleis parvis linearibus castaneis dense vestito, stipiti- 
bus contiguis elongatis castaneis nudis, frondibus lanceolatis glabris 
orbiculatis basi integris late deltoideis vel truncatis margine exteriore 
Has, Mountains of the island of Socotra, Balfour, 198; Schwein- 
furth, 544, 774. 
Stipites 4-6-pollicares. Lamina 4-8 poll. longa, 9-18 lin. lata. 
Pinne 6-12 lin. lates : 
This is the most remarkable new fern which was discovered during 
the recent exploration of the island of Socotra by Professor Isaac 
Balfour and Dr. Schweinfarth. It is nearest to A. lunulatum, but the 
pinne are opposite and nearly sessile.—J. G. Baker. 
Fig. 1. Whole plant, life size. 2. A pinna. 3, Portion of a pinna, Both enlarged. 
