301 



corymbosis v. ihyrsoiJeis : calycibus rarius aculeolatis : pe- 

 talls subrolundis, rosels v. albis- 



c. — — aculeis submajoribus curvalJs, turion. sub- 

 procumbentibus angulatis subpruinosis, stlpulis lanceolalis, 

 folils lernalis, foliolis late-ovalis siibrotundisque levisslme 

 lobalis dentatis, pedunculls corymbosis, calycibus fruclus 

 reflt;xis, semlnibiis ovalis superne obliquls. 



Variat: foliolis sublus albis subpubescenti-lomenlosis 

 V. basi relusis v. infefioribus saepius 2 lobis. 



Subspec. 2. R. a caesio-candicante a. glandulis bi- 

 formibus, aculeis mediociibus subinaequalibus curvalis, 

 turionibus procumbenlibus angulatis glabris vix pruinosis, 

 stipulis lanceolalis, foliis subdigilato-quinalis, foliolis sub- 

 rolundis obovalisque fere integris dentalis acuminalis un- 

 dulalis, sublus albidis pubescenti- tomenlosis, peduuculis 

 paniculalis, laciniis calycinis ovalis cuspidalis tomenlosis 

 fruclus glaberrimi reflexis, petalis subrotundo- ovalis un- 

 gue brevi, seminibus ovalis oblique -acutis. 



Variat: glandulis oblongis v. subrotundis raris: turio- 

 nibus tereliusculis: folils pedalo-quinatis, foliolis ad basiii 

 oblusis, acutis v. relusis, inferiorlbus sessilibus v, petiolu- 

 latis: pedunculls corymbosis: calycibus glandulis bispidis 

 raris v. interdum subaculeolatis: petalis roseis v. albidis: 

 fruclu acido v. magis dulcl. 



h. aculeis rectiusculls, turionibus subarcuatls, slipulls 

 angustiorlbus, folils digllalo-quinatis foliolis fere crenatis 

 applanalis, seminibus ovalis aculis. 



Variat: aculeis submajoribus, saepius pllosis: turioni- 

 bus sparsim piiosis v. aplce radicantibus: folils pedalls v. 

 foliolis subtus incanis: pedunculls paucillorls: calycibus 

 subtus glandulis rarissimis. 



Subspec. 3. R. a caeslo el candlcante a. (R. tlliae- 

 folius:) glandulis biformibus, aculeis medlocribus subinae- 

 qualibus recliusculis, turionibus deilexis angulalis glabres- 



