OF NORTH AMERICA 89 



in Arkanzas and Texas, perennial, pedal 

 slender, leaves very narrow half uncial, raceme 

 terete uncial, flowers, white small, on short pe- 

 dicels almost imbricate, bracts lanceolate : this 

 sp. may be a Muraltia, I cannot determine the 

 stamens. 



966. POLYGALA (Sexilia) MISSUIUCA Raf. 

 stem branched diffuse 4gone, leaves quatcrnate 

 and opposite broad lanceolate smooth, base 

 acute, end mucronate ; spikes terminal oblong 

 imbricate in the prairies of Missouri and Illi- 

 nois, 3 to 4 inches high, leaves larger and 

 broader than in others, flowers white, not in fili- 

 form spikes. Annual. 



967. POLYGALA (Muraltia?) RUGOSA Raf. 

 stems angular prostrate, leaves alternate rugose 

 lower cuneate obtuse,upper linear cuneate acute, 

 flowers in slender spikes on Lake Michigan, 

 humble, 3 to G inches long, leaves less than one 

 inch* flowers red, sessile in short spikes ; but 

 very imperfect in my specimen, probably a Mu- 

 raltia. 



968. POLYGALA or PILOSTAXIS HYEMALIS 

 Raf. stemless, leaves all radical obovate obtuse 

 capitule sessile squarrose oval, bracts lanceolate 

 ineuibranaceous as long as flowers this and 

 the next are blended in P. lutea var. nana of 

 MX. but quite unlike our P. lutea of New Jer- 

 sey. Found by Baldwin and Nuttal in Florida 

 and Georgia, blossoming in January, leaves un- 

 equal uncial often spatulate, heads shorter than 

 leaves, flowers greenish, root annual. 



959. Poi.YOALAor PILOSTAXIS NANA Raf. sub- 

 scapose, leaves cuneate and oblong, obtuse and 

 acute, stem short with 1 or 2 leaves lanceolate, 

 head oval squarrose, bracts subulate elongate, 

 wings lanceolate acuminate in Florida found 



