14 APPENDIX. 



brous. It makes . its appearance at least a month or six weeks 

 later in the season than the two following species *. 



cma 



orientalis. Physoclaina orientalis, G. Don, he. 

 cit. Hyoscyamus orientaUs, Bieb. Fl. Taur. i. 164 ; Sims, Bot. 

 Mag. tab. 2414;— viscoso-pubescens, foliis fusco-viridibus, 

 deltoideo-ovatis, acutis, in petiolum sublongum attenuatis, 

 demum subglabris; floribus corymbosis, corolla obscuriore, 

 purpurea, staminibus atro-violaceis, styloque sequilongo longe 

 exsertis, calyce florifero tubuloso, fructifero cylindrico, mem- 

 branaceo, reticulato, capsulam minorem includente. — Caucasia 

 prope Narzanam : v. s. in herb. Hook. (Caucasus, Steven) et in 

 hart. Kew. cult. 



This plant grows in the open air in Kew Gardens to the height 

 of 12 or 18 inches, its numerous stems being annually deci- 

 duous ; it is altogether covered with short viscous pubescence, 

 which, as well as the foliage, is of a dark fuscous hue, becoming 

 greener after the fall of the flowers. The leaves are 2i inches 

 long, 1^ inch broad, upon a flesh>^ channeled petiole of finch in 

 length, the nervures and stem being of a purphsh hue : the calyx 

 is 3 hnes long, the corolla 6 hnes, the stamens and style being 

 exserted to a length of 3 lines : the capsule is 3 Hnes in diameter, 

 inclosed m the calyx of equal diameter, and of nearly double 

 Its length, which is pilose, reticulate, submembranaceous and 

 m no degree swelling in the middle : the lower valve of the cap- 

 sule 18 somewhat membranaceous, greenish, and marked with 



nervures 



persistent base of the style, is of a blackish violet hue, soft, of 

 thm texture, and quickly shrivels up in drying : the seeds are few 

 proportionately rather large, yellowish brown, scrobiculated, oval' 

 reniform and compressed : the embryo is arched in a semicircular 

 fonn ; the radicle, about the length of the cotyledons, points to 

 the basal angle below the lateral hilum, 



Var. ^. affinis. Hyoscyamus orientalis. Sweet, Brit. Fl. Gard. i. 

 tab. 12 ;— glanduloso-pubescens, foliis ovatis, acutis in pe- 

 tiolum sublongum attenuatis, venis pilosulis, demum sub- 

 glabris ; corolla purpurascente, lobis subalbidis, staminibus 

 mclusis, stylo longe exserto, calyce fructifero inflato.— t; v 

 cult in hort. Keuj. 



grows by the side of the former 



± -^ Y ^^ x"»^ti aiicuies, ana iiitie 



or no difference IS to be seen between them in the size and shape 

 of the leaves : they are however less fuscous, and do not become 

 so thick and dark m drying, the pubescence is less dense, and the 



* A drawing of this species with analytical details wiU he given in a sup- 

 plementary plate at the end of this volume. ^ ci lu u su|, 



