IOWA acadf/my of sciences. 1()5» 



the lower petioled, ovate or ovate-lanceolate in outline, 

 1 — 2-pinnatifld, the segments incised or crenate-dentate; 

 pedicels ascending, usuall}' longer than the calyx; calyx- 

 lobes oblong, foliaceons; usually incised or pinnatifid; cap- 

 sule 5—6 lines long, pubescent, with a flattened beak. 



This species ranges from Maine to Ontario and Minne- 

 sota, south to Florida and Missouri, growing in dry woods 

 and thickets and blooming during August and September. 

 Type locality as given by Linnoeus being: "Habitat in 

 Virginia, Canada." 



We have not seen any specimens from Iowa. The s[ e- 

 cies may be expected to occur near the Mississippi river, 

 and doubtless does, as it is found in Minnesota and Mis- 

 souri. Dr. Parry reported that it occurred on dry prairies 

 in Iowa. His locality probably being Davenport, Scott 

 county. 



Parry, Owen's Rep. Geol. Sur. Wis la. and Minn., p. 616. 



GERARDIA L. Sp. PI. 610. 175B. 



Annual or perennial, erect or branching herbs, with 

 opposite or alternate leaves and showy raceuiose panicu- 

 late or solitary and axillary rose purple or whitish 

 flowers. Calyx campanulate, 5-toothed or 5 lobed. Co- 

 rolla tubular, varying to campanulate or funnelform, limb 

 5-lobed, the 2 upper lobes usually smaller and somewhat 

 united. Stamens 4, didynamous, included. Style slender, 

 thickened at the apex. Capsule globose or ovoid, pointed, 

 many-seeded. Ours annuals, 



* Anthers nearly aivnless; flowers pedicelled , purple or pink. 

 Pedicels shorter or scarcely longer than the calyx and capsule. 

 Leaves very scabrous, filiform; capsule oblong. G. aspera. 

 Leaves slightly scabrous, linear; capsule globose. C . purpurea. 

 Pedicels slender, 2 — G times as lopg as the calyx. 



Leaves linear, spreading or ascending; capsule globose. 



Leaves Yz — lYz inches long, % — 1 line wide. G. tenuifolia. 

 Leaves l}4—3 inches long, 1 2 lines wide. G. besseyana. 

 Leaves subulate, short, nearly erect; capsule oblong. G. skinneriaria. 

 ** Flowers sessile; anthers pointless, those of the two shorter stamens 

 smaller. G, auriculata. 



