294 SCROPHULARIACE^E. Gerardia. 



and slightly clavate, rather fleshy, less than an inch long : pedicels mostly from an inch 

 to half inch long: calyx-teeth short, triangular-subulate : corolla an inch or three-fourths 

 long. Gen. ii. 48; Ell. Sk. ii. 11(3; Benth. 1. c. (excl. var.); Chapm. 1. c. Low pine 

 barrens, S. Georgia, Alabama, and Florida. 



H- -w- All or most of the cauline (or even the rameal) leaves opposite, and few or none fascicled in 

 the axils, 



= Blackening more or less in drying: capsule globular, hardly surpassing the calyx. 



G. setacea, W^alt. Mostly scabrous, at least the setaceous-filiform leaves, and loosely 

 and paniculately much branched: inflorescence more or less paniculate: pedicels ascend- 

 ing, from half to an inch and a half long: calyx-teeth subulate, from minute to a fourth 

 of the length of the tube : corolla three-fourths to about an inch long, often pubescent out- 

 side; the margins of the lobes thickly lanose-ciliate : anther-cells short-aristate. Car. 

 170; Pursh, Fl. ii. 422, excl. hab. ; Nutt. Gen. ii. 47; Ell. 1. c. ; not Benth., nor Chapm. 

 <T. Jilifolia & tenuifolia, var. Jiliformis (leptophy/la in Comp. BoL Mag. i. 209), Benth. 1. c. in 

 part. G. tenuifolia, var. Jiliformis, Chapm. Fl. 300. Pine barrens, &c., South Carolina to 

 Florida and Texas. 



Var. longifolia ( G. lonyifolia, Nutt. Trans. Am. Phil. Soc. n. ser. v. 180, G. flifolia. var. 

 longifolia, Benth. in DC. I.e.) is described from simple-stemmed specimens, collected on the 

 "banks of the Arkansas," Nuttall, which have long (but not "2 inch ") leaves, setaceous- 

 subulate calyx-teeth about half the length of the tube (not "nearly its length") as in 

 some Texan specimens, and corolla barely three-fourths inch long. 



G. tenuifolia, Valll. Smooth or usually so, about a foot high, paniculately much 

 branched, but the inflorescence racemose : leaves mostly narrowly linear and plane, equal- 

 ling the lower but mostly shorter than the uppermost (half to inch long and commonly spread- 

 ing) pedicels : calyx-teeth very short : corolla about half inch long, nearly glabrous outside, 

 except the minutely ciliate margins of its nearly equal lobes : anther-cells cuspidate- 

 mucronate at base. Symb. iii. 70, excl. syn. Pluk. ; Pursh, 1. c. ; Nutt. 1. c. ; Bart. Fl. 

 Am. Sept. iii. t. 82. G. purpurea, L. in part (as to peel, filiformibus, &c.). G. erecta, Walt. 

 1. c.} ; Michx. Fl. ii. 20. Low or dry ground, Canada and Minnesota to Georgia and Louis- 

 iana. This sometimes has very narrow leaves, approaching filiform : it varies on the other 

 hand into 



Var. macrophylla, Benth. Stouter: larger leaves Ii to 2 inches long and 

 almost 2 lines wide, scabrous : pedicels ascending : calyx-teeth usually larger : corolla 

 little over half inch long. Comp. Bot. Mag. i. 209. Western Iowa to Colorado and 

 W. Louisiana. 



G. Strictiflora, Benth. Obscurely scabrous, excessively paniculate-branched, rigid, a 

 foot or more high : leaves filiform-linear passing on the branches into subulate ; these 

 erect and half to quarter inch long, rigid, shorter than the erect or ascending (half to 

 three-fourths inch) pedicels: calyx-teeth short but conspicuous, subulate, very acute: 

 corolla half inch long or more: anther-cells aristulate at base. Comp. Bot. Mag. & 

 Prodr. 1. c. Texas, Drummnnd, &e. 



G. divaricata, Chapm. Smoothish throughout, very slender, a foot or so high, with 

 numerous lax and long branches and elongated racemose inflorescence: leaves filiform, 

 widely spreading ; the larger over half inch long ; upper gradually reduced to small seta- 

 ceous bracts : pedicels opposite, divaricate, capillary, about inch long: calyx-teeth minute: 

 corolla barely half inch long ; the " two posterior lobes shorter, truncate, and erect : " 

 anther-cells abruptly aristulate at base. Fl. 299. G. Mettaueri, Wood, Class Book, 1861. 

 Low sandy pine barrens, W. & S. Florida, Chapman, &c. 



= = Herbage drying green. 



G. Skinneriana, "Wood. Somewhat scabrous : stem simple or paniculately branched, 

 strongly striate, a span to 18 inches high, slender: leaves mostly filiform, ascending; the 

 larger an inch long ; those of the branches much smaller, the uppermost reduced to small 

 bracts : pedicels racemose-paniculate, ascending, 4 to 8 lines long : calyx-teeth mostly 

 minute : corolla a third to half inch long, glabrous outside, delicately ciliate, usually rose- 

 color. Class Book, 1847, excl. syn. G. setacea, Benth. in Comp. Bot. Mag. & DC. 1. c. ; 

 Gray, Man., &c., not of Walt., nor of Chapm. G. parvifolia, Chapm. Fl. (1860) 200. Sandy 

 low ground, coast of Massachusetts ( W. E. Davenport, Mm. Piper, but rare north-east- 

 ward), and Penn. to Iowa, and south to Florida and Louisiana. 



