252 Linnean Society. [June 3, 



Esq., Professor of Zoology in King's College, London ; Bracy Clark, 

 Esq. ; Edwin John Quekett, Esq. ; and Richard Horsman Solly, Esq. 



June 3. 



Edward Forster, Esq., V.P., in the Chair. 



Read a paper entitled " Descriptions of some unpublished species 

 of Plants from North- Western India." By M. Pakenham Edgeworth, 

 Esq., F.L.S., Bengal Civil Service. 



This paper contains characters and descriptions of 142 species of 

 Phsenogamous plants presumed to be new to science. Several are 

 described as forming new genera, which are characterized as fol- 

 lows : — 



Ord, UMBELLIFER^. 



Trib. AmminejE. 



Gen. Acro7iema, Falc. MSS. 



Calych margo obsoletus. Petala lanceolata, in apiculum filiformem rec- 

 tum acuminata. Stylopodium bifidum, dilatatum. Styli divergentes, 

 apice deflexi. Fructus subovatus, a latere compressus, subdidymus ; 

 mericarpia basi gibba, apice angustata, jugis 5 sequalibus tenuiter fili- 

 formibus, omnino evittata ; carpophorum liberum, integrum, apice bi- 

 dentatum. Semen teres convexum, antice plaiiiuscuhim. 



A. tenerum. — Sison?tener, Wall. List; Helosciadium ? tenenun, DeC. 

 Prodr, iv. p. 1 06. 



Gen. Petrosciadium. 



Calycis limbus obsoletus. Petala ovata, integra ; lacinula inflexa. Fruc- 

 tus a latere compressus, oblongus, stylopodio pidvinato stylisque diver- 

 gentibus reflexis coronatus; mericarpia 5-juga, jugis filiformibus aequa- 

 libus, valleculis 1-vittatis, commissura bivittata; carpophorum biparti- 

 tum, adnatum. Semen planum, oblongum, basi angustatum. 



P. ccespitosum. 



Trib. Angelice^. 

 Gen. Oreocome. 



Ca///C2s limbus 5-fidus, laciniis subulatis. Petala ovata, apiculo inflexo 

 plus minus emarginato. Fructus a dorso compressus, stylopodio sty- 

 lisque reflexis coronatus ; mericarpia 5-juga, jugis alatis marginantibus 

 amplis, valleculis univittatis, marginalibus quandoque bivittatis, com- 



