232 DECADES OF FUNGI. 



Var. aspidia ; pustulis latiusculis sparsis piceis ; ascis elongatis sur- 

 sum attenuatis ; sporidiis hyalinis subellipticis. 



Hab. On leaves of Mcus repens, Ceylon. (G. H. K. Thwaites, Esq.) 



This has more pretension to be considered as a species ttan the last ; 

 but it seems that on each species of Ficus a different form prevails, 

 and it is more convenient to collect them under one species than to 

 make a multitude of species, scarcely differing from each other. 



A form occurs also in Ceylon on TetrantJiera tomentosa, which I 

 should willingly unite. In this the pustules are more minute; the asci 

 much elongated, but still broader below ; and the sporidia more oblong. 

 This I have distributed under the name of Sphceria tetr anther ce . 



498. BotUdea incarceratay n. s. i pustulis minutis piceis; stromate 

 pallida cervino ; cellulis paucis irregularibus ; ascis oblongis ; sporidiis 

 hyalinis subellipticis, 



Hab. On the upper sides of the leaves of Umria, Guatieria, and 

 other AnonacecB, Ceylon. (G. H. K. Thwaites, Esq.) 



Pustules punctiform, variable in size, but scarcely attaining i of a 

 line in diameter, slightly raised, pitch-brown. Stroma pale fawn-co- 

 loured. Cells few, irregular, entirely immersed in the stroma. Asci 

 oblong, rather short, pointed or obtuse. Paraphyses linear, about the 

 same length as the asci. Sporidia hyaline, subelliptic, inclining to 

 oblong, sometimes slightly attenuated at either end, varying from y^V^y 



to 2-^00 ^^ ^^ i^*^^ i'^ length, but more commonly 



This species varies a little on different leaves, being sometimes seated 

 on an arid patch, sometimes on the unaltered leaf; sometimes there 

 are one or more distinct ostiola ; sometimes the pustules are quite even. 

 All will however be found to agree in essential structure. Specimens 

 have been distributed under the name of S. Guatterice^ from a notion 

 that they were distinct from those on Uvaria ; but a fresh examination 

 has forced me to unite them. 



499. D,filicina^ Mont. MSS., var. nervisequia; peritheciis elongatis 

 subpunctiformibus aggregatis subnervisequiis depressis; ascis brevibus 

 latis ; sporidiis clavseformibus centro subconstrictis uniseptatis. 



Hab. On the under side of fern-leaves, Ceylon. (G. H. K. Thwaites, 



Esq.) 



Perithecia elongated, subpunctiform, slightly depressed, disposed m 

 simple and forked lines, following more or less the direction of the 

 nerves, so as to form little, pinnate, black patches. Asci short, very 



1500' 



