12 



APPENDIX. 



:» 



operculum is also much smaller, quite flat and discoid, and less 

 bony in its substance. These different features are fully suffi- 

 cient to constitute a vahd genus, which I propose to call, Phy- 

 sochlama, a name more strictly in conformity with the usual 

 orthoepy than that of Don, being derived from (pvcra, vesica, 

 X^Mtvoco, vestio, because of its capsule inclosed in a vesicular 

 calyx. I here annex its generic outline : 



Physochl^na. Physoclaina, G. Don. Belenia, Decne.— Calyx 

 cyhndricus, ssepe medio subinflatus, 10-nervis, 5-dentatus, 

 persistens et augescens. Corolla campanulato-infundibuli- 

 formis, superne ventricosa, imo constricta et cylindrica, limbo 

 vix obliquo, subaequaliter 5-fido, lobis subacutis, baud paten- 

 tibus, sestivatione imbricata. Stamina 5, subaquaha, decli- 

 nata, ssepius exserta, in constrictionem corollse inserta, fila- 

 menta ortu pilosa, superne glabra, colorata ; anthens ovatje, 

 imo dorsi ad connectivuni articulatim affixse, 2-loculare8, locu- 

 hs adnatis, margine longitudinaliter dchiscentibus. Ovarium 

 conicum, disco carnoso annulari basi cinctum, glandula parva 

 apicali vix conspicua munitum, 2-loculare, ovulis plurimis, pla- 

 centis valde incrassatis, dissepimento utrinque adnatis. Stylus 

 incurvus, exsertus. Stigma subbilobo-capitatum. Capsula tur- 

 binata, membranacea, calyce reticulato inclusa, 2-locularis, 

 apice operculatim dehiscens, operculo parvo discoideo, cori- 

 aceo. Semina plurima, placentis crassis affixa, ovata, com- 

 pressa, reniformia, testa reticulato-favosa, Mlo laterali. Em- 

 bryo teres, intra albumen subcaruosum hemicyclicus, radicula 

 incurvata, ad angulum basalem spectante, cotyledonibus semi- 

 teretibus sequilongis. — Herbse GerontogecB Orientales, radice 



. perennante, caulibus plurimis ; folia elliptica, alterna, Integra, 



rarius 



pur 



Physochlcena physaloides. Physoclaiua pbysaloides, G. Don, 

 Did. iv. 470. Hyoscyamus physaloides, Linn. Amcen. Acad. 

 vii. tab. 6. fig. 1 ; Sims, Bot. Mag. tab. 852; Sweet, Br. FL 

 Gard. i. tab. 13 ; — radice tuberoso, caulibus plurimis crectis 

 simplicibus ; foliis subcordato-ovatis, acutis, imo in petiolum' 

 canaliculatum ajquilongum attenuatis, utrinque glaberrimis 

 margine ciliatis; panicula terminali, pedicelhs calycibusque 

 dense lanato-pilosis ; corolla omnino glabra, purpurascente, 

 laciniis obtusis, albescentibus, genitalibus faucem vix exceden- 

 tibus ; calyce fructifero inflato, glabro, capsulam dimidio mi- 

 uorcm claudente.— Siberia, in montibus Altaicis, et planitiis 

 Songarise. — v. s. in herb. Hook, e locis citatis. 



This plant scarcely exceeds the height of 6 or 8 inches, and 



