303 
turionibus arcualis angulatis subpruinosis glabrescentibus, 
stipulis subulatis, foliis digitato- quinalis, Toliolis obovatis 
ovatisque leviter lobalo-ineisis dentalis sensim acuminatis 
subundulatis, subtus incanis breviter pubescentibus, pedun- 
enlis paniculalis, lacinlis calycinis ovatis acuminatis tomen- 
tosis fructus glaberrimi reflexis, petalis subrotundo - ovatis 
emarginatis ungue breyi, seminibus ovatis subinflexo- 
aculis. 
Variat: aculeis rectis: turionibus procumbentibus v. 
tereliusculis, apice saepius radicantibus: foliolis oblongo- 
ovatıs v. inciso-dentatis v. subius leviter iomenlesis v. 
fere concoloribus glabrescentibus v. superioribus basi saepius 
eordatis: pedunculis corymbosis y. ihyrsoideis: laciniis 
ealyeinis ovatis euspidatis fruclus incurvis v, subtus iner- 
mibus v. aculeolatis: pelalis passim integerrimis, dilule 
xoseis v. albis: fructu mediocri v. minori acido: seminibus 
vvatis oblique aculis. 
Subspec. 5. v. R. caesio-fruticosus: glandulis biformi- 
bus, aculeis majoribus aequalibus fere rectis, turionibus 
arcnalis obtusangulis leviter pruinosis glabris, stipulis Ian- 
eeolatis, foliis pedato-quinatis, foliolis ob- et late-ovalis 
levissime lobatis acuminatis undulalis gubtus fere concolo 
tibus pubescentibus, pedunculis composite - corymbosis, 
lacinlis calycinis ovatis .cuspidatis sabtus subtomentoso- 
pubescentibus fruetus glaberrimis erectis, pelalis ovalis 
subintegerrimis ungue breviusculo, seminibus oblongulo» 
ellipticis. 2 
Variat: glandulis oblongulis raris: aculeis mediocribus 
Y. valde confertis v. subeurvalis: turionibus leretiusculis v. 
subpilosis: foliolis subtus glabriusenlis v. superioribus cor- 
datis v, inferioribus semper sessilibus: calyeibus patenli- 
bus, ineurvis v. subtus echinatis: petalis elliptieis integer- 
timis v. relusis, incarnatis v. albis v, ungue brevi: fructu 
mediocri v. minori. 
