PoLYGALA. POLYGALACEiE. 131 



Texas, Drummond ! Arkansas, Beyrich! — y About a foot high, angiilar. 

 Leaves an inch or more in length, and a line wide, rather thick, mucronate. 

 Spike 1-2 inches long: flowers as large as in P. Senega, closely approximat- 

 ed, white. Wings concave. Processes of the crest 6, short. Keel nuuked 

 with 3 yellow glands below the crest. Style short, broad and saccate; ap- 

 pendage short : gland prominent, but sessile. Capsule spotted with small 

 yellow glands. 



16. P. Senega (Linn.) : spike dense, rather acute ; flowers on very short 

 pedicels; wings orbicular-obovate, concave, rather longer than the obovate 



Eetal.s ; capsule nearly orbicular ; seed somewhat hirsute with spreading 

 airs; lobes of the caruncle collateral, as long as the seed ; stems numerous, 

 simple ; leaves lanceolate, scabrous on the margin. — Willd. sp. 3. p. 894 ; 

 Walt. Car. p. 17S ; Bigel. ! med. hot. 2. p. 97. t. 30, <^Jl. Bost. p. 265 ; Bot. 

 mag. t. 1051; DC. prodr. 1. p. 330 ; Hook. ! Jl. Bar.-Am. 1. p. 85 ; Dar- 

 lingl. Jl. Cest. p. 403. P. Senega, a. albida, Michx. ! Jl. 2. p. 53 ; Pursh, 

 Jl. 2. p. 465. 

 13. latijolia : leaves ovate-oblong, acuminate at each end ; stem branched above. 

 Dry rocky woods, Saskatchawan River! to North Carolina! west to Ken- 

 tucky ! /!(. Kentucky, 6Vt07-;.' May-June. — U Root thick and rather ligneous. 

 Stems about half a foot high, somewhat inclined ; the base usually invested 

 with small oval scale-like leaves. Leaves 1-2 inches long, and 3-4 lines 

 wide (in 0. 3-4 inches lon^ and IJ inches wide), serrulatcly ciliolate. Spike 

 1-2 inches long, a little inclined : flowers greenish-white. Sepals all obtuse. 

 Crest short ; the processes iew and often partly confluent. Style short, ga- 

 leate and somewhat rostrate ; appendage wanting, but in its place a short 

 tuft of hairs. — Seneca Snake-root. 



17. P. alba (Nutt.) : spike on a long peduncle; flowers nearly sessile; 

 wings rounded, about as long as the corolla ; stem simple ; leaves linear, re- 

 volute on the margin. Nictt. gen. 2. p. 87; DC. prodr. 1. p. 330. 



Plains of the Missouri, common, the only species of the genus in that re- 

 gion. — U About 6 inches high. Leaves glabrous. Flowers white : bracts 

 lanceolate, deciduous. — Near P. Senega, but distinct. NuttaU. — We have 

 not seen this plant, but we suspect that it is a variety of P. Senega. 



18. P. Boykinii (Nutt.): spike dense, acute; flowers distinctly pedicel- 

 late ; wings orbicular-obovate, concave, rather longer than the obovate pe- 

 tals ; capsule broadly obovate ; seed very hirsute with appressed hairs ; lobes 

 of the caruncle collateral, two-thirds the length of the seed ; stems numerous 

 branching above ; leaves verticillate in fours and fives, obovate-oblong and 

 lanceolate. — Nutt.! in jour. acad. Philad. l.p. 86. 



Milledgeville, Georgia, Dr. Boykin! Near the Apalachicola River, Flo- 

 rida, Croom! June-Sept. — Root like that of P. Senega. Stems 1-2 feet 

 high. Leaves about an inch long ; the lower ones nearly obovate ; upper ones 

 gradually narrower. Spikes 2 inches long, tapering to a narrow point. 

 Flowers resembling those of P. Senega: crest minute. Style short; appen- 

 dage subulate : gland somewhat pedicellate. — This species greatly resembles 

 P. distans, St. Hil. ft. Bras. 2. p. 24. t. 84. 



19. P. Chapmanii : spike oblong, acute, loose; wings obovate, with a short 

 claw ; exterior sepals unequal ; the posterior one broadly ovate, obtuse ; 

 lateral petals obovate, distinct from the keel ; crest almost none ; seed obo- 

 vate, clothed with spreading hairs ; lobes of the caruncle minute, diverging; 

 stems filiform, somewhat branching ; leaves linear-subulate, numerous. 



West Florida, Dr. Chapman ! — Glabrous. Stems about a foot high, 

 branching from the ba5e or only near the summit. Leaves 6-S lines Ions, 

 scarcely half a line wide. Spike 1-li inch long. Bracts minute, persistent. 

 Flowers bright rose-color, nearly as large as in P. sanguinea. Wings rather 

 longer than the corolla. Lateral petals united with the keel only at the base : 



