280 42. R. TUBERCULATUS. 



42. R. tuberculatus Bab. 



R caule arcuato-prostrato subangulato sparsim 

 brevi-piloso et -setoso, aculeis crebris ingequalibustenui- 

 bus e basi ohlonga tuherculiforme patentibus, foliis ter- 

 natis vel quinatis, foliolis subduplicato-dentatis subtus 

 in venis pilosis utrinque viridibus inferioribus foliorum 

 ternatorum bilobatis infimis foliorum quinatorum sub- 

 sessilibus intermediis incuiiibentihus, foliolo terminali 

 rotundo-cordato subcuspidato, paniculse foliosse ramis 

 axillaribns racemosis apice corymbosa aculeis a medio 

 usque ad apicem paniculae et pedunculorum tenui- 

 bus quam reliquis longioribus, sepalis ovato-acuminatis 

 aciculatis setosis fructui laxe adpressis. 



R. tuberculatus Bab.! Fl. of Camb. 306 (I860); Man. 

 ed. 6. 119. Syme's Eng. Bot. iii. 194. 



B. nemorosus S ferox Leight. ! Shrop. Kubi (sp.). Bab. ! 

 Man. ed. 3. 104; ed. 4. 107. 

 ■ E. dumetorum Blox. ! Fasc. Bub. (sp.). 



R. scabrosus Miill. Mon. 196. 



Stem very bluntly angular, with scattered short hairs 

 and setae, reddish. Prickles many, conical, slender, rising 

 rather abruptly from large oval depressed tubercles which 

 are often purplish, patent. Leaves ternate or rarely quinate. 

 Leaflets irregularly and somewhat doubly dentate-serrate, 

 dull green, rugose and pilose above, pale green, hairy on the 

 veins, and very finely or slightly felted beneath; basal of the 

 ternate leaves bilobed, lower lobe usually rounded and blunt 



