rOLYGALA FAMILY. 115 



•t- -(- Kepi inimitoUj /»• inconspicnnm^lu crested; true petals not loncjer 

 {mostly shorter) than the wings. 



P. sanguluea, Limi. Stem 4'-8' high, leafy to the top ; leaves oblong- 

 linear ; tiowcrs bright rose-purple (sometimes pale or even vi^hite), in a 

 thick, globular at length oblong head or spike, without pedicels. Sandy, 

 damp ground. 



P. fastigiita, Nutt. Slender, 4'-10' high, with smaller narrow-linear 

 leaves, and oblong dense spike of smaller rose-purple flowers on pedicels 

 as long as the pod ; bracts falling off with flowers or fruits. Pine bar- 

 rens I'rdin X, J., S. 



P. Nutt^Uii, Torr. & Gray. Lower than the foregoing ; flowei-s rather 

 looser in more cylindrical spikes, greenish-purple ; awl-shaped bracts 

 remaining on the axis after the flowers or fruits have fallen. Sandy 

 soil, coast of Mass., S. and W. 



* * * Annuals with at least the lower leaves in whorls o/4, sometimes in 

 5'.s- ,- sjjikes terminal ; flowers shimmer and axdumn. 



t- Spikes short and thick (4"-9" diameter) ; bracts persisting ; flowers 

 rose or greenish-purple ; crest small. 



P. cruci^ta, Linn. Stems 3'-10' high, 4-angled, and with spreading 

 branches ; leaves linear or spatulate ; spike nearly sessile ; wings of the 

 flower broad-ovate or heart-shaped, bristle-pointed. Low grounds. 



P. brevif6lia, Nutt. Stems slender; leaves narrower, those on the 

 branches alternate ; spike stalked ; wings of the flower lance-ovate and 

 nearly pointless. Sandy bogs R. L, S. 



-1- +- Spikes slender (2" diameter) ; bracts falling ; flowers {all summer) 

 greenish-white or scarcely tinged with purple, very small. 



P. verticillita, Linn. Stem 6'-10' high, nnich branchtd ; all the 

 leaves of the main stem whorled. Dry soil, common. 



Var. ambfgua, \Yats. More slender ; only the lowest leaves whorled ; 

 flowers more scattered and often purplish-tinged, in long-peduncled spikes. 

 N. Y. to Mo. and S. 



*- * * * Biennials or annuals ; flowers yellow, some turning green in dry- 

 ing, in dense spikes or heads ; leaves alternate. Growing in loio or loet 

 places in pine barrens, S. E. Flowers summer. 



■*- Short and thick spike or head single ; mot leaves clustered. 



P. Ititea, Linn. Yellow Bachelor's Bitton of S. Stem 5'-12' 

 high ; lower leaves spatulate or obovate, upper lanceolate ; flowers bright 

 orange. N. J. and S. 



-t- -I- Numerous short spikes or heads in. a cyme. 



P. ram6sa, Ell. Stom ()'-12' high, more brauched ; lowest leaves 

 obovate or sputulatf, upin r ones lanceolate; a caruncle at base of seed. 

 Del. and S. 



P. cym6sa, Walt. Stem 1 ^'-3° high, branching at top into a compound 

 cyme of s]iikes ; leaves linear, acute, the uppermost small ; no caruncle 

 to the seed. From Del. S. 



§ 2. Shrtil>hy species of the conservatory, from the Cape of Good Hope. 



P. oppositifdiia, Linn. Leaves opposite, sessile, heart-shaped and 

 mucronate, of a pale hue ; flowers large and showy purple with a tufted 

 crest. 



P. myrtifdiia, Linn. Leaves crowded, alternate, oblong or obovate, on 

 short petioles : sliowy purple flowers 1' long, with a tufted crest. 



