126 ^U I . BOT. 



tis petiol. tenuis concolcjr acutis Snervis- reticul. 

 levigatis niargine scabris — West Kentucky,very 

 distinct by many flexible bristles instead of 

 prickles, leaves very thin, well cordate, 2 or 3 

 inches long, edges very rough. t 



926, Sm. (). caduca L. vel dichotoma R. 

 twigs dichotonne angular with strong prickles, 

 not flat, leaves ovatc acum- edge smooth, Lin. 

 says stem terete, Canada to Carol. 



927, Sm. O. platoplis Ra.f. 4angularis non- 

 nulis non omnis auct. — ramis angul. 4gonis,acu- 

 leis paucis compressis, fol. ovatis vel subcord. 

 brevi petiol. acum. cuspid. Snervis reticul. levis 

 marg. scabris, pedunc. petiolis longior 3-5fl. 

 baccis nigris globosis — PensyW. ad Kentucky 

 et Carol. easily known by the few flat prickles, 

 leaves 2 or 3 inches. 



928, Sm, O. glaucaWak. Mx. sarsaparilla 

 of bot. N. Amer. but not L. which is a Souih 

 American Plant with hooked priokles and re- 

 tuse evergreen leaves— Carol. to Kentucky — 

 subangular, prickles few strait compressed, 

 leaves uncial ovatobl. glancous beneath acute 

 mucronate trinerve peduncles longer thar pe- 

 liols, commonly 2-3flore, berries black ovate or 

 obovate. 



929, Sm.O.rotundifolia L.ramis subang.acu- 

 leis paucis rectis brcvis, fol. brevi petiol. latova- 

 tis vel subrot. cordatisque, retusis vel obt. mu- 

 cronatis, Snervis vix reticul. subtus fulvo glaucis, 

 margine fflabro, pedunc. petiolis longior multi- 

 floris umbellatis, baccis globosis cerulescerts — 

 Canada to Caroj. near last, blended by Walter, 

 leaves larger oflen biuncial, Ombels of 10 to 15 

 flowers and berries. 



930, Sm. O. reniformls Raf rotundif. nonu- 

 lis non L. — ramis 4gonis flexuosis, aculeis pau- 



