307 



bus teretibus pruinosis glabris, stipulis lanceolatis, foliis 

 ternatis^ foIioHs late-ovatis subellipticisque leviter lobatis 

 dentatis acurainatis applanatis, siibtus concoloribus pilosu- 

 lis, pedunculls corymbosis, laciniis calycinis oblongo-ovatis 

 cuspidatis subtus leviter tomenlosis fructus pruinosi ere- 

 clis, petalis ellipticis emarginalls ungue brevi, scminibus 

 oblongo-ovatis obliqiie aculis. 



Variat : glandulis hispido-pediccllalis raris: aculeis 

 passim rarissimis v. subcurvatis: turionibüs apice radican- 

 tibus; stipulis angustioribus: foliolis subrhombeis v. acutis> 

 basi obtusis, acutls v. retusis V. inferioribus bilobist pedun- 

 culis paucifloris: lacinis calycinis ovatis v. lato- lanceolatis, 

 subtus eglandulosis, inermibus v. rarius aculeolatis: petalis 

 (semper albis) ovatis: fructu mediocri v. minori. 



b. turionibüs subpubescentibus, stipulis subulatis, folio- 

 lis magis lobato-incisis, subtus pallidioribüs pubescentibuS) 

 pedunculis paucifloris, laciniis calycinis ovatis glabriusculis, 

 petalis obovatis subintegerrimls. 



Variat: turionibüs arcuato - deflexis fere inermibus 

 Cglandulosisque. 



Ci erectus: cäule erecto, turionibüs adscendentibus, 

 foliolis minoribus subrotundo-rhombeis ovatisque subtus 

 pubesCentibus, petalis oboVato- lanceolatis subintegerrimls. 

 Variat: glandulis hispidis rarissimis: foliolis lobato- 

 incisis, basi obtusis v. aculis. 



11. Rub. caeslo-ldaeus a. (R. Pseüdo-Tdaeus Lej.) 

 glandulis biformibus, aculeis minoribus inaequalibus recllus- 

 culls, turionibüs arcuatis pruinosis subpubescentibus, stipu- 

 lis subtilatls, foliis ternatls pinnato-quinalisque, foliolis 

 ovatis oblongisque leviter lobato-incisis acumlnatis undu- 

 lalis subrugosis, subtus albidls leviter tomcntosis, pedun- 

 culis corymbosis, laciniis calycinis lato -lanceolatis elongalo- 

 cuspidatls tomentosis fructus pubescenlls palentibus, peJalis 

 obcordato-cuneatls, semlnibus oblongo-ovatis rccurvato-aculis. 



20 * 



