126 AUT. BOT. 
tis petiol. tenuis concolor acutis Snervis retieul. 
levigatis margine 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. O. caduca L. vel dichotoma R. 
twigs dichotome angular with strong prickles, 
not flat, leaves ovate acum. edge smooth, Lin. 
says stem terete, Canada to Carol. 
927, Sm. O. platoplis Raf. 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---Pensylv. ad Kentucky 
et Carol. easily known by the few flat prickles, 
leaves 2 or 3 inches. 
928, Sm. O. glauca Walt. Mx. sarsaparilla 
of bot. N. Amer. but not L. which is a South 
American Plant with hooked prickles and re- 
tuse evergreen leaves—Carol. to Kentucky— 
subangular, prickles few strait compressed, 
leaves uncial ovatobl. glaucous beneath acute 
mucronate trinerve peduncles longer than pe- 
tiols, commonly 2-3flore, berries black ovate or 
obovate. 
929, Sm.O.rotundifolia L.ramis subang.acu- 
leis paucis rectis brevis, fol. brevi petiol. latova- 
tis vel subrot. cordatisque, retusis vel obt. mu- 
cronatis, nervis vix reticul. subtus fulvo glaucis, 
margine glabro, pedunc. petiolis longior multi- 
floris umbellatis, baccis globosis cerulescens— 
Canada to Carol. near last, blended by Walter, 
leaves larger often biuncial, Ombels of 10 to 15 
flowers and berries. 
930, Sm. O. reniformis Raf. rotundif. nonu- 
lis non L.—ramis 4gonis flexuosis, aculeis pau- 
