388 



ERYSIMUM diffusum. 

 Alpine Hedge-mustard. 



TETBADTMAMIA SJLIQUOSJ. 



Nat* ord. Crucivekje. Jussieu gen. 237. Div. L Fructua siliquosus. 



Stylus nullus. 



ERYSIMUM. Siliqua tetragons. Semina emarginata. Cotyledoncs 

 incumbentes. Stigma capitatum, nunc emarginatum lobulis patentibus. 

 Cat* damns. Brotvn in Hort. Ket». ed. 2. 4. 115. 



E. diffusum* foliis lanceolatoJinearibus integerrimis r. paucidentatis; pills 

 . bipartitis, unguibus calyce longioribus; Jaminis obovato-oblcmgis, silt* 



cms erectiusculis elongatis; stigmate bilobo; stylo brevlssirao* Brotvn 



loc. cit. 

 Erysimum diffusum. Ehrh. beitr. 7. 157* Wittd. sp.pl. 3. 512, Hort. Kew. 



ed. 2.4.115. 

 Erysimum canescens. Roth cataL bot. 1. 76. 

 Cheiranthus alpinus, Linn. mant. 93. Jaca. austr. 1. 48. /. 75. Hort. Kew* 



2. 394. 



Eruca sylvestris angustifoJia. Lob. ic. 205. 



Totaplanta scabriuscula est. Rad. albida. h 3 ad IQuncias longa> 2 < 

 plures tineas crassa, lignosa $ biennis, modb recta de&cendit, modo inter saxa 

 Kiarie distorquetur, et primo anno sola promit Jblia radicalia* Caules stricti 

 eriguntur 9 cut solitarh, ant rarius pauci, ab 1 ad 3 pedes alti 9 modo simplicis* 

 simi, modo superne ramosi, subangulati* tcnues, Jinni, parum scabri. Fol. 

 sunt lanceolatO'linearia, pilis brevissimis et vis conspicuts modici exasperata, 

 sessilia, inordinate alternantia, magis minusve conniventia, acutague. Hac 

 caulem ante Jlorescentiam salts numerosa decorani; sed brevi post illam ares~ 

 cunt, pereuntque, adeb quidem ut scepe sub Jlorcscentia Jinem^ caulis vel ad 

 ramos racemosve usque foliis nudatus spectetur. In aliis autem individuis sunt 

 angustissima 9 ver% linearia, integerrima. ferm% incana, et velutl conx>oluia. 

 In aim multb sunt latiora. magts virethia, et inferiora obiter atque rariter 

 dentata. Caules et rami producuntur in racemos longissimos. Flores/mn? 

 inodori. Calych gland glabri et parum comwessifoRola 2 opposita deorsiim 

 eibba sunt. Pet. futea in unguem desinunt longitudine calycis. Stig, obso- 

 Cetitis %Jidum est. Siliquae tenues. ^gon<e t et erediuscuUs. tnodb polUcares 

 aut sesquipollicares ; modo bipollicares et JUiformes. Jacq. \. c. 



Native of the South of Europe. Cultivated by Miller, 

 in the Physic Garden at Chelsea, in 1733. 



The whole plant is roughishly furred. The hairs are 

 described by Mr. Brown as biparted. Root woody and bien- 

 nial. Sterns straight, stiff, generally solitary, sometimes 

 more than one, from one to three feet high, sometimes 

 simple, at others branching at the upper part, slightly an- 



VOL. V. N 



