304 



Subspec. 6. R. glaucus a. glandulis biformibus, acu- 

 leis submajoribus sublnaequalibus recliusculis, turlonibus 

 arcuatis oblusangulis leviter prulnosis subpilosis, stipulis 

 lanceolatis, foliis digltato-quinalis, follolis ob- et subro- 

 lundo-ovalis levissime lobatis acumiiiatls subundulatis, 

 subtus incanis dense pubescenlibus, pedunculis paniculatis, 

 laciniis calycinis ovalis cuspidalis tomenlosls fruclus levis- 

 sime pruinosi ereclis, petalis subrotundo-ovatls integerri- 

 iiiis ungue brevi, seminibus ovalis margine corculigero 

 superne reclo. 



Variat: glandulis obovaüs rarissimis: aculels mediocri- 

 bus: turionibus superne horizontalibus v. deflexis radican- 

 libus: foliolis inferioribus sessilibus v. subpetiolulatis v. 

 superiorlbus subcordalis: pedunculis corymbosis: calycibus 

 subtus inermibus v. rarissimis subaculeolalis: petalis (sem- 

 per albls) elliplicis, interdum retusis: fruclu mediocri. 



b. R. glauco-caesius: aculeis mediocribus fere reclis, 

 turionibus teretiusculis subprocumbentibus glabris, foliis 

 ternalis subquinalisque, foliolis lale- ovalis leviter lobato- 

 incisis acuminalis sublus fere concoloribus pubescenlibus, 

 petalis retusisj seminibus ovalis margine corculigero sub- 

 inflexo. 



Variat: aculels subminoribus inaequalibus: turionibus 

 procumbentibus, oblusangulis v. terelibus: foliis rarius di- 

 gllatis: foliolis senslm acuminatis y. inciso-dentatis v. ser- 

 ratis, basi acutis, oblusis et subcordatis: pedunculis pauci- 

 florls v. corymbosis: laciniis calycinis acuminalis v. fructus 

 incurvis: petalis incarnatis v. albis v. inlegerrimis. 



Subspec. 7. R. a caesio et frulicoso, a. glandulis bi- 

 formibus, aculeis mediocribus sublnaequalibus reclis, turio- 

 nibus subprocumbentibus teretiusculis subprulnosis pilosis, 

 stipulis lanceolatis, foliis pedato-qulnalis, foliolis subrolundo- i 

 ovalis leviter- lobatis acuminalis undulatis rugosis, subtus 

 incanis villosulo- pubescenlibus, pedunculis subpaniculato- 



corym- 



