384 LABIATE. Macbridea. 



emarginate : corolla rose-purple (streaked with a deeper hue and white); its upper lip 

 entire. M. pu/chella, Benth. Lab. 505, & DC. Prodr. xii. 435. Thymbm Carol in tana & Pra- 

 sium incarnatum, Walt. Car. ex Bcntli. Melittis Carol iniana, Spreng. Syst. ii. 700. Pine- 

 barren swamps, southern borders of N. Carolina to Georgia and Alabama. 

 M. alba, Chapm. 1. c. Leaves spatulate-oblong or oblanceolate, obtuse, thickish, all but 

 the lowest sessile ; floral ones round-ovate or orbicular : lateral lobes of the calyx strongly 

 emarginate or 2-cleft : corolla white ; its upper lip emarginate. Low pine-barrens, W. 

 Florida near the coast, Chapman. 



42. SYNANDRA, Nutt. (2i>v, together, and uvi.n, for anther, the pos- 

 terior and sterile anthers connate.) Single species, large-flowered, and with the 

 aspect of Lamium. 



S. grand.ifl.6ra, Nutt. Fibrous-rooted biennial, a foot or two high, hirsute : leaves mem- 

 branaceous, cordate, coarsely crenate, all but the floral long-petioled ; these reduced to 

 ovate sessile bracts, each subtending a single flower: corolla inch and a half long, white or 

 nearly so : filaments bearded. Gen. ii. 29; Benth. 1. c. Shady banks of streams, S. Ohio 

 to Illinois and Tennessee : in spring. 



43. MARRtJBIUM, Tourn. HOREIIOUXD. (From Hebrew word, mean- 

 ing bitter.) Perennials ; all natives of the Old World, but one species widely 

 dispersed and naturalized, viz. 



M. VULGARE, L. Hoary-woolly, branched from the base, aromatic-bitter (hence used in 

 popular medicine) : leaves roundish, crenate, very rugose-veiny : flowers vertieillastrate- 

 capitate in the upper axils : calyx with 10 short recurving teeth, these and the bracts at 

 length hooked at the tip. Escaped from gardens into waste or open ground : fl. late 

 summer. (Nat. from Eu. ) 



44. BALL.6TA, L. BLACK HOREIIOUXD. (Greek name, of obscure 

 derivation.) AVeedy perennials of the Old World ; with bitter and unpleasant- 

 scented herbage ; fl. summer. 



B. NIGRA, L. Soft-pubescent, but not hoary, spreading : leaves ovate, crenate or toothed, 

 slightly rugose, slender-petioled : flowers numerous in rather loose axillary verticillastrate 

 cymes : bracts setaceous : calyx with dilated somewhat foliaceous mucronate-tipped teeth, 

 equalling the purplish corolla. Sparingly in waste places, New England, Penn., &c. 

 (Nat. from Eu.) 



45. PHL.6MIS, Tourn. JERUSALEM SAGE. (Ancient Greek name of a 

 woolly plant, perhaps of this genus.) Perennials, of the Old World, one spar- 

 ingly introduced, viz. 



P. TUBEROSA, L. Tall, 3 to 5 feet high, from a thick tuberous root, somewhat glabrous : 

 lower leaves ovate and cordate, crenate, slender-petioled, rugose-veiny ; floral oblong-lan- 

 ceolate and mostly sessile, subtending dense verticillastrate-capitate clusters : bracts seta- 

 ceous, hirsute : calyx-teeth setaceous-subulate from a short and dilated truncate-emargi- 

 nate base, divaricate : corolla pale purple, its upper lip densely white-bearded. S. shore of 

 Lake Ontario, New York: fl. early summer. (Nat. from Eu.) 



46. LEON6TTS, R. Br. (Atwv, lion, and oi',>, mrog ear, from the corolla.) 

 -African plants; with dense verticillastrate-capitate clusters of showy scarlet or 



orange flowers ; sparingly naturalized on our southern borders: fl. summer. 



L. NEPET^EFOLIA, R. Br. Tall annual, minutely soft-pubescent : leaves long-petioled, ovate, 

 coarsely serrate or crenate, veiny; upper floral lanceolate : verticillastrate heads large and 

 dense : calyx about 8-tootlied : corolla an inch long, orange-red, densely hirsute. Bot. Reg. 

 t. 281. Waste grounds, Georgia and Florida. (Nat. from Afr.) 



