188 
POLYPODIUM. (See “Ferns of Southern India,” p. 55.) 
۲۱1۷۲0011 THWAITESI. (Bedd.) Caudex creeping, clothed with lanceolate scales, fronds sessile rigidly membra- 
naceous, perfectly glabrous 2-4 inches long 1 inch wide, lanceolate deeply almost to the costa pinnatifid segments 3-6 lines long 1-2 lines 
broad sinuato-pinnatifid lower ones gradually smaller, veins pinnate, veinlets simple or rarely forked, where simple soriferous at the apex j 
or: a little below it, where forked the superior veinlet is soriferous, 
1 received this specimen from Ceylon where it has just been detected by Mr, Thwaites, who considers it the true P. parvulum of 
Bory ; on comparing it however with authenticated specimens of that species from the Mauritius, I find that it wants the warty stipes 
of that plant, the venation is different, and the segments of the frond are generally distinctly sinuato-pinnatifid instead of entire. Mr. 
Thwaites informs me it is very sweet scented, 
(Note.—Plate No. CLXVI of “the Ferns of Southern India,” is P. subfalcatum Bl. but the description that of P, parvulum): 
Hab. Ceylon, Central Provinces. (C. P. 3,900.) | ۱ ۱ 
PLATE No. CLXXXVIII. 
