248 ORDER 91 LABIATE. 



thick ; spikes 4-rowed, 00-flowered ; corolla 815", spotted inside. Wet banks, M., 

 W., and S. Often cultivated. 1 4f. August, September. Variable. 



36. LAMIUM, L. HENBIT. Cal. 5-veined, with 5 subequal, subulate 

 teeth. Cor. dilated at throat, upper lip vaulted, galeate, lower lip broad, 

 emarginate, lateral lobes truncate, often toothed on each side near the 

 margin of the dilated throat. Stamens 4, ascending. May November. 



* Weeds in waste grounds, with roundish leaves and small purple flowers... Nos. 1. 2 



* Lvs. cordate, ovate. Fls. larger (!'), hairy in t^oat, side-lobes toothed.. .Nos. 3, 4 



1 Ij. amplexicaitle L. Leaves cut-crenate, petiolate, the floral sessile-clasping; 



corolla slender (6"), galea entire, side-lobes not toothed, throat spotted, (i) 610'. 



2 It* purpureum L. Lvs. roundish to ovate, crenate, all petiolate ; corolla slender, 



6", hairy within, side-lobes with a subulate tooth, galea entire. (T) Penn., &c. : rare. 



3 It. alba L. Lvs. hairy, petiolate ; cor. white, curved, a hairy ring within, and the 



side-lobes with a tooth. Waysides : rare. Flowers in whorls. Cultivated. 



4 Jj. MACTTLATUM (or rugosum). Leaves hairy, rugous, petiolate, marked with a white 



oblong spot along the midvein. Flowers as in No. 3, but purplish. Cultivated. 



37. PHLOMIS, L. JERUSALEM SAGE. Calyx truncately 5-toothed. 

 Cor. galea broad, keeled, lower lip spreading, 3-fid. Stamens ascending be- 

 neath the galea, the upper pair appendaged at base. Leaves rugous. 

 Verticils showy, axillary. 



P. tuberosa. Tall, smoothish, with large ovate-cordate, crenate leaves ; fls. 3040 in 

 a whorl, purple, hairy inside. Scarce in gardens and waste grounds. 



38. BALLOTA, L. BLACK HOARHOUND. Cal. funnel-form, 10-veined, 

 5-toothed. Cor. tube cylindrical, as long as the calyx, upper lip concave, 

 crenate, lower lip 3-cleft, middle segment largest, emarginate. Sta. 4, as- 

 cending, exserted. Achenia ovoid-triangular, if 



C. nigra L. Lvs. ovate, subcordate, serrate ; bracts linear-subulate ; cal. throat di 

 lated, teeth spreading, acuminate. Waste places, N. Eng. : rare. July. Europe. 



39. MOLUCCELLA, L. MOLUCCA BALM. SHELL FLOWER. Calyx 

 campanulate, very large, the margin expanding, often repand-spinous. 

 Corolla tube included, limb bilabiate. Stamens 4, ascending. 



ffl. L^VIS. A curious plant, noted for its ample calyx, much larger than its small, yel- 

 lowish corolla. Stem smooth, 2f; leaves round-ovate, cut-crenate. Syria. 



40. GALEOPSIS, L. HEMP NETTLE. Cal. 5-cleft, spinescent. Up- 

 per lip of the corolla vaulted, subcrenate, lower lip with 3 unequal lobes, 

 having 2 teeth on its upper side, middle lobe largest, cleft and crenate. 



Sta. exserted, anth. cells transverse. @ Vert, distant, many-flwd. Eur. 



1 G.Tetruliit L. St. hispid, the internodes thickened upward ; leaves ovate, hispid, 



serrate ; cor. twice as long as the calyx, upper lip nearly straight, concave ; corolla 

 white-purple. A common weed in fields and waste grounds, N. States. 1 3f. Jn., Jl. 



2 Ci.LiU.da.num L. Internodes equal ; Ivs. lanceolate, subserrate, pubescent ; upper 



lip of the corolla slightly crenate ; corolla roseate. Waste soils : rare. If. August. 



41. STACHYS, L. HEDGE NETTLE. Cal. tube angular, bell-form, 5- 

 or 10-ribbed, with 5 acute or pungent teeth. Cor. upper lip erect-spreading 

 or some vaulted, lower spreading, 3-lobed, mid-lobe largest. Stamens aa- 



