Genus 4. 



PEA FAMILY. 



2. Baptisia tinctoria (L.) R. Br. Wild 



Indigo. Yellow, Indigo or Clover Broom. 



Horsefly-weed. Fig. 2454. 



Sophora tinctoria L. Sp. PI. ^y^^ 1753- 

 B. tinctoria R. Br. in Ait. Hort. Kew. Ed. 2, 3 ; 6. 

 1811. 



Glabrous, erect, succulent, much branched, 

 2-4 high. Leaves petioled, 3-foliolate; leaflets 

 obovate or oblanceolate, 4'-ii' long, sessile or 

 nearly so, obtuse, cuneate at the base, entire, 

 turning black in drying; stipules minute, cadu- 

 cous ; racemes numerous, few-flowered, terminal ; 

 bracts minute, deciduous; pedicels i"-2" long; 

 flowers bright yellow, about *' long ; pods ovoid 

 or nearly globose, 3"-s" long, tipped with the 

 subulate style. 



In dry soil, Maine to Vermont, Ontario, Minne- 

 sota, Florida and Louisiana. June-Sept. Indigo- 

 weed. Shoofly. Rattle-bush. Horse-fleaweed. 



4. Baptisia bracteata Ell. Large-bracted 



Wild Indigo. Fig. 2456. 



Podalyria bracteata Muhl. Cat. 42. Without de- 

 scription. 181 3. 

 B. bracteata Ell. Eot. S. C. & Ga. i : 469. 1817. 

 Baptisia leucophaea Nutt. Gen. i : 382. 1818. 



Erect or ascending, low, bushy-branched, 

 villous-pubescent throughout. Leaves sessile 

 or short-petioled, 3-foliolate, dark green or 

 brownish in drying; leaflets oblanceolate or 

 spatulate, narrowed or cuneate at the base, 

 obtuse or acutish at the apex, iJ'-3' long, 

 4"-8" wide, thick, reticulate-veined ; stipules 

 lanceolate, or ovate, persistent ; racemes usu- 

 ally few, mainly lateral, sometimes 1 long, 

 reclining, many-flowered ; flowers white or 

 cream-color, about i' long, very showy; pedi- 

 cels slender, 6"-i5" long, spreading, some- 

 what secund ; bracts large and persistent ; 

 pods ovoid, mostly narrowed at the base, r-2' 

 long, pubescent, tipped with a long at length 

 deciduous style. 



Prairies, Illinois, Michigan and Minnesota to 

 South Carolina, Georgia. Louisiana and Texas. 

 April-May. Yellowish false-indigo. 



3. Baptisia villosa (Walt. ) Nutt. Hairy 

 Wild Indigo. Fig. 2455. 



Soplwra villosa Walt. FI. Car. 134. 1788. 



Baptisia villosa Nutt. Gen. i : 281. 1818. 



Erect, branched, 2''-4 high, more or less 

 pubescent throughout, especially when young. 

 Leaves very short-petiolcd or sessile, 3-folio- 

 late, turning dark in drying ; leaflets oblong, 

 oval, or obovate, obtusish at the apex, nar- 

 rowed or cuneate at the base, 2'-4' long, entire ; 

 stipules lanceolate or subulate, much longer 

 than the petioles, persistent or the upper decid- 

 uous ; racemes lateral, sometimes 10' long, 

 loosely many-flowered; pedicels 3"-4" long; 

 flowers yellow, about i' long; bracts caducous 

 or deciduous; pods oblong-ovoid, about i'' 

 long, finely appressed-pubescent, long-stalked 

 in the calyx, tipped with the subulate style. 



In dry soil, Virginia and North Carolina to Flor- 

 ida, west to Arkansas. June-July. 



