292 SCROPHULARIACE^. Gerardia. 



pedicels filiform, 8 to 15 lines in length, wiJely spreading, mostly longer than the bracts or 

 upper floral leaves : calyx-lobes about twice the lengtii of the tube, spreading : corolla 

 funnelform, an incli and a quarter long. — Chapni. in herb. Dasi/stoma patula, Chapm. in 

 Bot. Gazette, iii. 10, 1878. — Upper Georgia, in tlie mountains, on the banks of Horse-leg 

 Creek, a tributary of the Coosa River, Floyd Co., Chapman. 



§ 2. Otophylla, Benth. Corolla short-funnelform with very ampliate 

 throat, purple (rarely white), naked within, as also the filaments : anther.^ muti- 

 cous, glabrous or sparingly villous; those of the shorter stamens smaller: scabrous- 

 hispid or hirsute annuals ; with sessile entire or divided leaves, sessile flowers, 

 and deeply cleft calyx. — Otophylla, Benth. in DC. I.e. 



G. auriculata, MicllX. A foot or two high, brandling above: leaves lanceolate or 

 ovate-lanceolate, an inch or two long, sessile by a broad base, entire, or some (at least the 

 upper) bearing an oblong or lanceolate lobe on each side at base : corolla seldom an inch 

 long. — Fl. ii. 20 ; Gray, Man. ed. 5, 335. Seijinerin auriculata, Spreng. Syst. ii. 810. Otophylla 

 Michniixii, Benth. in DC. Frodr. x. 512. — Prairies and low grounds, W. Penn. to W. North 

 Carolina, and west to Wisconsin and Missouri. 



G. densiflora, Benth. More hispid and rough, very leafy : leaves rigid, pinnately 

 parted into 3 to 7 narrowly linear acute divisions ; those subtending the densely spicate 

 flowers similar and nuicli crowded : corolla over an inch long. — Comp. Bot. Mag. i. 200. 

 Otophylla Dnimmondi, Benth. in DC. 1. c. — Prairies, Kansas to Texas. 



§ 3. EuGERARDiA, Benth. Corolla from short-funnelform to nearly campanu- 



late, purple or rose-color (with one exception), varying occasionally to white: 



calyx-teetli or lobes short : anthers all alike ; the cells either muticous or mucro- 



nulate at base : cauline leaves linear or narrower and entire, rarely reduced to 



mere scales ; the radical rarely broader and sometimes incised : flowers from 



middle-sized to small ; the corolla externally and the anthers usually more or less 



pubescent or hairy : herbage glabrous or merely hispidulous-scabrous. 



* Root perennial: leaves erect, very narrowly linear, acute: pedicels erect, as long as floral leaves: 

 calyx truncate : antiier-ci lis mucronate-pointed at base. 



Gr. W^rightii, Gray. Very scabrous-puberulent : stems (a foot or two high) and virgate 

 branches strict: leaves nearly filiform, with revolute margins: calyx-teeth short and subu- 

 late : corolla glabrous witliin (and stamens nearly so), three-fourths inch long, light yellow ! 

 — Bot. Mex. Bound. 118. — Valleys and hillsides along the Sonoita, &c., Arizona, Wright, 

 Bif/elow, Rothrnrlc. 



G. linifolia, Nutt. Glabrous and smootli : stems 2 or 3 feet high, sparingly or panicu- 

 lately branched : leaves flat, thickish, a line wide: calyx-teeth minute: corolla an inch 

 long, minutely pubescent outside, villous within and lobes ciliate: anthers and filaments 

 very villous. — Gen. ii. 47 ; Benth. in DC 1. c. (not of Comp. Bot. Mag.); Chapm. Fl. 

 299. — Low pine barrens, Delaware to Florida. (Cuba, C. Wriylit.) 



* * Root annual : stems more or less leafy: herbage blackish in drying except in the last. 

 +— Pedicels little if at all longer than the calyx and capsule: inflorescence racemose or spiciform. 

 ++ Calyx -lobes as long as the turbinate tube, and the sinuses very acute. 



G. heteroph^Ua, Nutt. Nearly smooth, a foot or two high, paniculately branched, or 

 the branches virgate : leaves rather erect, thickish or rigid ; the lowest 3-cleft or laciniate 

 (according to Nnttall] ; the others narrowly linear, mucronate-acnte, scabrous on the mar- 

 gins; those of the branchlets short and somewliat subulate: pedicels very short, alter- 

 nate: calyx-lobes subulately attenuate from a broad base, very acute, in age spreading: 

 corolla an inch or less long. — Trans. Am. Phil. Soc. n. ser. v. 180; Benth. Comp. Bot. Mag. 

 i. 207, & Prodr. 1. c. 517. — Prairies, Arkansas [Nuttall) and Texas. 



++ ++ Calyx-lobes shorter than the tube, and mostly separated by broad or open sinuses. 



G. dspera, Dougl. Stem and branches strict: leaves rather erect, strongly hispidulous- 

 scabrous, all filiform-linear : pedicels mostly equalling and sometimes moderately exceed- 

 ing the calyx, erect, most of them alternate : calyx-lobes deltoid-subulate or triangular- 

 lanceolate from a broad base, acute, about half the length of the tube : antliers obscurely 



