Gerardia. SCROPHULARIACE.E. 291 



§ 1. Dasystoma, Gray, ]Man. Corolla more or less funnelform, yellow ; the 

 proper tube within, as also anthers ami filaments, pubescent or villous-woolly : 

 anthers all alike, hardly included; the cells aristate at base: rather tall and large- 

 flowered perennials or biennials ; with calyx-lobes sometimes foliaceous and 

 incised, and comparatively broad leaves often incised or pinnatifid. (For root- 

 parasitism, see Gray, Struct. Bot. t. 145.) — Dasystonia, Raf. in Jour. Phys. Ixxxix. 

 99 ; Benth. in DC. Prodr. x. 520. 



* Pubescence partly g:laii(lular and viscid, especially on the slender pedicels and calyx; corolla 

 pubescent outside : root biennial or annual. 



G. pedicularia, L. ranicul.ltely much branched, 2 or 3 feet high, soft-pubescent or villous 

 and viscid, or the foliaire hardly so : leaves mostly sessile, an inch or two long, oblong- or 

 ovate-lanceolate in outline, all pinnatifid ; the divisions crowded and iucisely pinnatifid or 

 toothed : pedicels 4 to 12 lines long : calyx-lobes foliaceous, from linear to oblong, equalling 

 or longer than the tube, often denticulate or incisely serrate : corolla from 1 to 14^ inches 

 long. — Spec. ii. (311 ; Lam. Diet. ii. 529; Ell. Sk. ii 121. Dasjjstoma pidicidaria, ^tinih. in 

 DC. 1. c. — Canada and west to the Mississippi, south to Florida. 



Var. pectinata, Nutt. A southern more villous and glandular form, with rather 

 narrower leaves, and more foliaceous lobes of the calyx longer than its tube. — Gen. ii. 48. 

 G. pectinata, Torr. in Benth. Comp. Bot. Mag. i. 20G. Dasijstoma pectinata, Benth. in DC. 

 1. c. ; Cliapm FI. 298. — N. Carolina to Florida and Arkansas. 



* * No glandular pubescence : corolla glabrous outside : root perennial. 



G. grandiflora, Benth. Densely cinereous-puberulent : stem much branched, 2 or .3 

 feet high, leafy to the top : leaves somewhat jjetioled, ovate to oblong-lanceolate in out- 

 line, incisely and often lyrately pinnatifid, or the lower more divided and the upper merely 

 laciniate-dentatc (2 inches long) : inflorescence leafy : pedicels shorter or rarely twice longer 

 than the turbinate calyx-tube : lobes of the calyx lanceolate, entire or sparingly toothed, 

 equalling or shorter than tiie tube: corolla inch and a half long. — Comp. Bot. Mag. I.e.; 

 Gray, Man. ed. .5, oo5. Dasjjstoma Dvummondii, Benth. in DC. 1. c. — Oak openings, &c., Wis- 

 consin and Iowa to Tennessee and Texas. 



Var. integriuscula. A form with slender branches, bearing either sparsely serrate 

 or entire leaves; or tiie lower laciniate-pinnatifid. — G. srrra/rt, Torr., Benth. I.e. Dasii- 

 stoma Drnmmondii, var. srrrata, Benth. in DC. — W. Louisiana, Hide. 



G. flava, L. Densely puberulcnt and somewhat cinereous : stem nearly simple, ?j or 4 feet 

 high : leaves ovate-lanceolate or oblong, obtuse, entire, or the lower sparingly sinuate-tootiied 

 or pinnatifid (2 to 4 inches long): pedicels very short : calyx-lobes oblong or lanceolate, 

 entire, about the length of the tube : corolla inch and a half long, much dilated upward. — 

 Spec. ii. 610, as to syn. Gronov. & Pluk., not herb.; Michx. Fl. ii. 19; Pursh, Fl. ii. 423; 

 Torr. Fl. N. Y. ii. 47, t. 74. Dasi/Moma pubcscens, Benth. in DC. I.e. — Open woods, Canada 

 to Wisconsin and Georgia. 



G. quercif olia, Pursh. Glabrous : stem at first glaucous, 3 to 6 feet high, simple or 

 commonly braneliing: lower leaves once or twice pinnatifid or incised (3 to 5 inches long) 

 and the lobes acute; the upper often entire and lanceolate, acute : pedicels equalling or 

 shorter than the calyx : corolla not rarely 2 inches long, more funnelform and narrower 

 below than in the preceding. — Fl. ii. 42-3, t. 19. G. flava, L., as to herb. Rhinanthus Vir- 

 (jinicus, L., as to Syn. Gronov. G. r/lauca, Eddy, Cat; ; Spreng. Syst. ii. 807. Dafn/stoma 

 quercifoUa, Benth. in DC. 1. c. — Dry woods, from New England and W. Canada to Illinois 

 and south to Florida and Louisiana. 



G. laevigata, Raf. Glabrous or obscurely puberulcnt, not glaucous : stem slender, a foot 

 or two high : leaves lanceolate (H to 4 inches long) ; all the upper entire; the lower often 

 incised or irregularly pinnatifid : pedicels and lobes of the calyx shorter than its tube : 

 corolla much dilated above the short tube, an inch long and the limb fully as broad. — 

 Ann. Nat. (1820), 13. G. interpifo/ia, Gray, Man. ed. 1, 307, ed. 5, 335. Dasi/stoma querci- 

 foUa, var. 1 tntegrifolia (& var. intermedial), Benth. in DC. 1. c. — Oak barrens, &c., Penn. to 

 Illinois and the mountains of Georgia. 



G. patula, Chapm. Obscurely pubescent or glabrate, not glaucous : stem weak and 

 slender, loosely branching above, 2 or 3 feet long : leaves as of tiie preceding, but thinner : 



