384 LABIATiE. Machridea. 



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

 entire. — M. pulckella, Bentli. Lab. 505, & DC. Prodr. xii. 435. Thi/mbni Carolinianu & Pra- 

 sium incarnulum, Walt. Car. ex Benth. Melitlis Carol inidiia, Spreng. Syst. ii. 700. — Pine- 

 barren s\vaiii2)s, southern borders of N. Carolina to Georgia and Alabama. 

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

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

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

 Florida near the coast. Chapman. 



42. SYNANDRA, Nutt. (Jlvv, together, and dvi]n, for anther, the pos- 

 terior and sterile anthers connate.) — Single species, large-flovv^ered, and with the 

 asjiect of Lcnnium. 



S. grandiflora, 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 incli 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, ver}' rugose-veiny : flowers verticillastrate- 

 capitate in the upper axils : calyx with 10 short recurving teetli, 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. BALIj6TA, L. Black IIoreiiound. (Greek name, of obscure 

 derivation.) — Weedy 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 vcrticillastrate 

 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. PHLiOMIS, Tourn. Jerusalem Sage. (Ancient Greek name of a 

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

 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-teetli setaceous-subulate from a short and dilated truucate-emargi- 

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

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



46. LEONOTIS, R. Br. {Atav., lion, and oi',*, blzrig 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. NEPETiEFOLiA, K. Br. Tall annual, minutely soft-pubescent: leaves long-petioled, ovate, 

 coarsely serrate or crenate, veiny; upper floral lanceolate : vcrticillastrate lieads large and 

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

 t. 28L — Waste grounds, Georgia and Florida. (Nat. from Afr.) 



