ORDER 91. LABIATES. 247 



3 S. xaxa tills Rid. Smootbish and not glandular, weak, ascending ; leaves as in Nos 



1, 2 ; bracts as in No. 2 ; corolla 8", lips equal, upper 3-lobed. Del., Va., and W. 2 



4 S. ctiiiesceiis N. Erect, pubescent < leaves ovate to oblong, lower cordate; rac. 



terminal and axillary ; bracts lance-liuear ; corolla 8", canescent, upper lip arched, 

 remote from the lower. Dry soils, M. and W. : common. 1 3f. (S. arguta Bkly.) 



5 S. vlllosa Ell. ? Slender, erect, stem finely tomentons ; leaves lanceolate, acute 



both ways, serrate ; flowers paniculate, bracts lance-linear ; corolla 9", tube slender, 

 galea strongly arched, 5 times longer than lip. Ga. (Dr. Feay). 2 3f. 



6 S. serrata Andr. Erect, subsimple, green, smoothish ; leaves ovate, pointed both 



ways, serrate ; rac. few-ilwd. ; cor. 13", lips gubequal. Woods, E. Pa., 111., and S. 2 3f. 



7 S. pilosa MX. Erect, subsimple, pubescent ; leaves rhomb-ovate or oval, obtuse, re- 



mote, crenate-serr. ; racemes terminal: corolla 9 1,", lips distant. Pa. to Ga. 2f. 



8 S. Integrifolia L. Erect, subsimple, tomentous or downy ; leaves ovate to lance- 



linear, obtuse, entire, or the lower crenate ; flowers 9", much enlarged above, the 

 lips subequal. in a terminal raceme. Dry soils, M. and S. 9' 2f. 



9 S. Florlda.ua Chapm. Slender, branching ; leaves all linear, obtuse, entire, with 



rolled edges, lowest minute ; corolla 1', enlarged above, lips subeqnal. W. Fla. If. 



10 S. MACRANTHA (or Japonica). In gardens, If, smooth (except the hairy calyx) ; Ivs. 

 clasping, lance-linear ; flowers 1', blue, wiih subequal lips, handsome. China. 



1 1 S. iiervosa Ph. Slender, erect, producing runners ; leaves sessile, broad-cordate, 

 crenate-serr., 3-5-veined ; tts. few, 4", with small floral Ivs. Rocks, M. and W. 8 W. 



12 S. pirvula MX. Root a string of tubers, stem erect, 3 9': Ivs. ovate to oblong, 

 obtuse, small (6"), sessile, entire; fls. 3", exceeding the Ivs., blue. Fields, M.andW. 



13 S. galericul ta L. Commons. Erect, branched, smoothish or downy; leaves 

 nearly sessile, cordate-oblong or lanceolate, obscurely crenate, acute ; flowers few, 

 large (9 12"), sessile, axillary. Low meadows, Can. to Penn. 12 18'. 



14 S. laterlflora L. Mad-dog S. Smoothish, subsimple; Ivs. petiolate, lanceolate, 

 serrate ; fls. 4" ; rac. axillary, secund, equalling the Ivs. Ditches, N., W., M. 1 2f. 



33. M ACBRIDEA, Ell. Calyx 3-lobed, upper lobe oblong, narrow, 

 lower rounded. Cor. tube long-exserted, throat inflated, upper lip erect, 

 concave, lower short, spreading, the middle lobe rounded, broadest. Sta. 

 ascending under the upper lip, anthers approximate by pairs. 11 Erect, 

 subsimple, with large purple-white flowers in heads. 



1 HI. pftlchra Ell. Lvs. wedge-lanceolate, acute, serrulate, the floral ovate; corolla 



18", streaked with purple and white. Wet pine-barrens, S. 12 \W. Aug., Sept. 



2 M. alba Chapm. Lvs. wedge-oblong, obtuse, dentate; the floral roundish ; corolla 



white ; lower lobes of the calyx notched. Pine-barrens, W. Fla. 1218'. July, Aug. 



34. SYNANDRA, N. Cal. 4-cleft, segm. unequal, subulate, converg 

 ing to one side. Upper lip of corolla entire, vaulted, the lower obtusely 

 and unequally 3-lobed, throat inflated. Sta. ascending beneath the galea 

 upper pair of anth. cohering, having the contiguous cells empty. () Flow 

 ers solitary, axillary, somewhat spicate above. Figs. 69, 292. 



S. grandiflora N. Woods, O. to Tenn. 6 18'. Stem simple. Lvs. cordatc-ovato 

 acuminate, petiolate. Cor. white, 1', with large lobes, purple-striate. June. 



35. PHYSOSTEQIA, Benth. LION-HEART. Cal. bell-form, 5-toothcd 

 Cor. much exserted, throat inflated, upper lip concave, entire, lower of fi 

 broad-spreading lobes. Sta. 4, separate, ascending beneath the upper lip. 

 U Smooth, with lane., serrate Ivs. and term, spikes of showy rose-white fls. 

 V. Vlr^iuiuuu D. Stems mostly simple ; Ivs. obloug to narruw-lanceolate, sessile. 



