FAM. 158. 127 



C. dentarum. Diffusely branched shrub, rusty -pubescent; leaves obovate. ses- 

 sile; corolla white or purplish. 

 13. Upper corolla-lip not concave; — herbs, usually aromatic or pungent; 

 leaves opposite; flowers in axillary clusters or solitary; calyx- 

 tube 13-ribbed with 5 nearly equal lobes, or 2-lipped; corolla 

 2-lipped, upper lip 1-2 lobed, lower lip 3-lobed, - Hedeoma 



H. pulegioides, Pennyroyal, Stem erect, more or less branched; leaves ellip- 

 tic to oblong; flowers few or solitary in the axils, peduncled; calyx 2-lipped; 

 corolla blue, lips nearly equal. Dry soil (Crow's Bluff). Spring and Summer. 

 13. Upper corolla-lip concave; — plants with leafy or scape-like stems; 

 leaves opposite or mainly basal; flowers in axillary clusters, dis- 

 posed in spikes, racemes or panicles; calyx-tube ribbed; upper 

 lip with 3, lower lip with 2 lobes; corolla 2-lipped, lower lip 3- 

 lobed. longer than upper lip; anther-bearing stamens with a 

 conspicuous connective at the apex. Sandy soil. Summer. 



Salvia, Sage 



S. azurea. Stems more or less branched; leaves oblong to linear, narrowed into 

 short petioles; flower-clusters subtended by narrow bracts and disposed 

 in panicles; calyx slightly pubescent; corolla blue or white, upper lip 

 bearded on the back, middle lobe of lower lip much broader than long and 

 deeply notched. 



S. lyrata. Pilose or hirsute; stems almost scape-like; leaves chiefly basal, spat- 

 ulate, lyrate-pinnatifid; panicles much interrupted, the clusters few-flow- 

 ered; pedicels long; calyx hirsute; corolla blue-purple, with the middle 

 lobe of lower lip broader than long, notched. Spring. 



S. coccinea. Stem simple or sparingly branched; leaves ovate, crenate-serrate ; 

 calyx minutely pubescent, upper lip reniform, lower lobes ovate; corolla 

 scarlet, lower lip notched. Cultivated and escaped. 



Many species are cultivated for their showy blue, white, red or yellow flowers; 

 most common is S. splendens with calyx and corolla scarlet. 



158. Rhinanthaceae (Scrophulariaceae), Figivort Family. 



Chiefly herbs with round stems and exstipulate, simple 

 leaves; flowers perfect; 4-5 sepals, more or less united; 

 corolla bilabiate or only slightly irregular, 4-5 lobed; stamens 

 4. didynamous and often 1 staminodium, or stamens 2 

 and 2 staminodia, all inserted on the corolla-tube; ovary 

 superior, 2-carpeled, 1-celled with axile placentae; style 

 simple or 2-cleft; fruit a 2-celled capsule. 



1. Leaves alternate, or leaves opposite and corolla spurred, - 2 



1. Leaves opposite or whorled, and corolla not spurred, 3 



2. Leaves alternate; — herbs with sessile leaves; flowers in terminal bracted 



racemes; calyx tubular, oblique; corolla bilabiate; stamens 4, 

 didynamous, included, _______ Schwalbea 



S. Americana. Stem simple or sparingly branched; leaves lanceolate to ob- 

 long; flowers in a spiked raceme, yellowish purple. Low sandy ground. 

 Early Summer. 

 2. Leaves alternate or opposite, corolla spurred; — herb6 with narrow 

 leaves; flowers in terminal spikes, racemes or panicles; calyx 



