95 
stipe. Veins anastomosing, hidden. Sori con- 
tinuous all round. ; 
Grown in gardens. 
Distribution: Chittagong Hills up to 1,000 
feet elevation; Orissa on the Balasore Hills; 
Burma ; Malay Peninsula.—Philippine Islands. 
Genus XVII.—LitHosprocuia PRESL. 
(Deriv. Lithos, stone ; brocha, spots—from the 
areoles of the veins resembling pavement.) 
Veins copiously anastomosing with free 
included veinlets. The rest as in Pteris. 
Lithobrochta tripartita J. Sm. 
Stipe erect, straw-coloured or brownish, 
naked, polished. Frondsdivided into three parts ; 
the central division, the longest, having a termi- 
nal pinna 6-g inches long and several lateral 
pinne; pinnz cut down almost to the rachis 
into linear-oblong segments which are slightly 
toothed when barren ; lateral divisions smaller 
than the central and similar to it; sometimes 
forked again. Surfaces and rachis naked. 
Textureherbaceous. Veins fine, anastomosing, 
forming chiefly two series of areoles (parallel 
with the midrib) from which proceed free veinlets 
which fall short of the margin and terminate 
