298 



berrimi rcflexis, pelalls clllpticis Inlcgerrlmis ungue brc- 

 viusculo, scminlbus scmiorblculatis. 



Variat: aculcls sublnaequalibus v. curvalis; lurlonibus 

 arcualo-dcflcxis v. procumbenlibus saepJus apiceradicantibus: 

 sllpulls siiblanceolatis: foliolis ovafis v. elliplicis, subtus 

 pallide viridibus pubcscentibus v. tomcnloso-villosis, basl 

 oblusis V. relusisjinfcrioribusbrcviterpctiolulalis: pedunculis 

 racemosls v. dlvarlcalo-paiiiculalis: calyclbus multiaculco- 

 latis, rarlus incrmibus: petalis ovatis, albis, frequentius 

 veroroseis, inlerdumrelusis: fructu minor! acido v. medlocri 

 subdulci. 



Spec. 4. Riibus caesius L., glandulis uniformibus sub- 

 roliindls hlspidls, aculcis minorlbus inacquallbus rectis, 

 turionibus procumbenlibus terelibus pruinosis glabris, sti- 

 pulis lanceolalis, foliis lernatis, foliolis subrotundo-ovalis 

 levilcr lobatis dentalis acuminatis planiusculis, subtus pal- 

 lidioribus pubesccnlibus, pedunculis corymbosis laciniis 

 calycinis ovalis cuspidatis leviter tomcnlosis fructus prui- 

 Hosi creclis, pelalis late- ovatis cmarginatis, seminibus 

 ovalis oblique -aculis. 



Variat: glandulis obovalis rarissimis: aculeis mcdio- 

 cribus subaequalibus v. curvatis, raris v, conferlissimis: 

 turionibus arcualis v. scandcnlibus v. flagcllilorniibus v. 

 subangulalis, pilosis v. apice radicantibus: loliolis elliplicis, 

 oblonge -ovatis, infcrioribus bilobis v. sublus fcrc concolo- 

 vlbus glabris, basi oblusis aculis v. cordalis: pedunculis 

 pauciflorls v. divaricato-paniculatis: calycibus subtus gla- 

 briusculis v. valdc hispido-glandulosis v. aculeolalis: pe- 

 lalis (sempcr albis,) elliplicis: fruclu majori v. raediocri. 



p. argillaceus, aculeis subaequalibus curvatis, foliolis. 

 subrolundo-rbombcis plicatis rugosissimis, sublus incanis 

 densius villosulo- pubcscentibus, seminibus acuimnalis. 



Variat: foliolis crcbriori-serratis, supra cliam pubes- 

 ccnlibus, sublus vcuio ücrvisquc purpurasceiUibua. 



