Fiowort Family. 125 



frequent; Muscatine, Johnson, and Henry counties; reported from Winne- 

 shiek, Scott, Lee, and Story counties. 



* * * * Perennial; flowers in spicatc racemes. 



V. serpyllifolia L. Glabrous or puberulent; stems slender, decumbent, the 

 branches 2-10 inches high, erect; leaves opposite, petioled, or the uppermost 

 sessile, ovate, oval, or oblong', entire or crenulate; flowers in short spicate 

 racemes, corolla pale blue or whitish; capsule broader than long, notched at 

 the summit. Fields; April-August; reported from Johnson county. 



SYNTHYKIS Benth. Ours a pubescent perennial herb, with ovate or orbic- 

 ular petioled basal leaves, sessile bract-like alternate cauline leaves, and 

 greenish yellow flowers in a terminal brafateate spike. Calyx 4-5-parted, 

 bracts oblong or linear. Corolla usually 2-lobed, sometimes 3-4-lobed. Sta- 

 mens usually 2, sometimes 4. Ovary 2-3-celled; style slender; stima capitate. 

 Capsule compressed, emarginate, many-seeded. 



S. houghtoniana Benth. Stem 1-2 feet high, basal leaves truncate or 

 cordate at the base, crenulate, f>-7-nerved, cauline leaves small, somewhat 

 clasping, crenulate. Sandy open woods; May-July; infrequent or rare; Mus- 

 catine county; reported from Fayette and Scott counties. ( Wulfenia houuh- 

 toniana (Benth.) Greene.) 



GERARDIA L. Annual or perennial erect and branched herbs, with oppo- 

 site or alternate leaves, and showy racemose paniculate or solitary and 

 axillary rose-purple varying to white or yellow flowers. Calyx campanulate. 

 5-toothed or 5-lobed. Corolla tubular, varying to campanulate or funnel- 

 form, limb 5-lobed, the 2 upper lobes usuall3 r smaller and somewhat united. 

 Stamens 4, didynamous, included. Style slender, thickened at the apex. 

 Capsule globose or ovoid, pointed, many-seeded. 



* Corolla yellow, the tabe woolly; anthers awued at the bane; leaves rather large, 

 more or lens Incised nr pinniitijul; perennials. 



G. grandiflora Benth., Stem minutely downy, 2-4 feet high, branched; 

 leaves ovate-lanceolate, incisely cut or pinnatifid; pedicels about the length 

 of the calyx; corolla about 2-inches long, yellow. Open woods; July-August; 

 frequent; Muscatine, Henry, Van Buren, Jefferson, and Appanoose counties. 

 (Dnsystomn grandiflora (Benth.) Wood.) 



G. flava L. Downy grayish; stem 2-4 feet high, usually simple; leaves 

 lanceolate, ovate-lanceolate, or oblong, entire or the lower sinuate-toothed or 

 pinnatifid, short-petioled or the upper sessile. Woods and thickets; July- 

 Auo-ust; forms from Clinton, Jones, Johnson, and Henry counties have been 

 referred to this species. (Dasy stoma flava (L.) Wood.) 



* * Anthers awnless; flowers pedlcelied, purple or pink; annuals. 

 f Pedicels shorter or scarcely longer than the calyx and capsule. 



G. aspera Dougl. Stem somewhat branched, 1-2 feet high, hispidulous- 

 scabrous; leaves narrowly linear, rough-hispid; pedicels equaling or about 

 twice the length of the calyx; calyx-lobes triangular-lanceolate, shorter than 

 the tube; corolla 1 inch long, purple. Prairies; August-September; infre- 

 quent; Delaware, Henry, Decatur, and Lyon counties; reported from Fayette, 

 Scott, Story, and Emmet counties. 



G. purpurea L. Stem 1-2 feet high, glabrous, branched; leaves narrowly 

 linear, rough-margined; flowers racemose, purple, pedicels usually shorter 

 than the calyx. Fields and meadows; August-September; infrequent; Em- 

 met county; reported from Fayette and Hamilton counties. 



