238 ORDER 91. LABIATE. 



5 Calyx strongly 2-lipped, upper lip truncate, closed in fruit. . .(*) 

 5 Calyx not 2-lipped, 3 or 4-lobed, open in fruit. . .(A-) 

 5 Calyx subequally 5-toothed, teeth not spinescent. ..(m) 

 5 Calyx subequally 5-toothed, teeth spinescent... (n) 

 5 Calyx unequally 8-10-toothed . . . (o) 



I. OCIMOIDE^E. r Corolla upper lip 4-lobed, lower entire, flattish Ociwtm 1 



r Corolla upper lip 4-lobed, lower saccate, deflexed HYPTIS. 2 



r Corolla upper lip 3-4-fid, lower boat-form, involving the sta. . COLKUS. 3 



r Corolla upper lip 2-lobed, lower 3-lobed LAVANDULA. 4 



II. AJUGOIDE^E. b Stamens 2, exserted through a fissure in the tube . . AMETHYSTEA. 5 



b Stamens 4, exserted through a fissure in the tube TEUCRIUM. 6 



b Stamens very long, involute, arching the corolla TRICHOSTEMMA. 7 



*c Corolla limb equally 5-lobed. Stamens short ISANTHUS. 8 



in. SATUREJE.E. (Stamens diverging or ascending, 2-celled. Corolla lobes flattish, spreading.) 



*c Corolla limb obliquely 5-lobed. Leaves purple PERILLA. 9 



*c Corolla limb 4-lobed, upper lobe broadest MENTHA. 10 



d Corolla nearly regular, 4-lobed. Calyx naked in the throat LYCOFUS. 11 



d Corolla bilabiate, s cyanic, throat naked. Stamens straight CUNILA. 12 



s cyanic, throat naked. Stamens ascending HKDKOMA. 13 



yellow, throat with a hairy ring inside COLLINSONIA. 14 



e Calyx 15- veined. Stamens exserted, divergent HYSSOFUS. 15 



Calyx 10-veiued, the veins obscured by hairs. Corolla yellow, fringed COLLINSONIA. 14 



Calyx 10-13-veined, t throat naked. u Stamens straight, divergent PYCNANTHEMOM. 16 



u Sta. ascending, anth. spurless SATUREJA. 17 



M Sta. ascending, anth. spurred DICERANDRA. 18 



t throat hairy. B Bracts roundish, large ORIGANUM. 19 



o Bracts narrow, minute THYMUS. 20 



/ Tube of the corolla straight. Leaves small, subcrenate or entire CALAMINTHA. 21 



/ Tube of the corolla curved upward. Leaves large, coarse-crenate MELISSA. 22 



rv. MONARDE..E. Connectile long, transverse, distancing the anther cells SALVIA. 23 



Connectile continuous with fil. toothed at the juncture KOSMARINUS. 24 



Connectile inconspicuous. to Calyx subequally toothed MONARDA. 25 



w Calyx bilabiate, aristate BLEPHYLLIA. 26 



V NEPETE^E. Stamens distant, exserted. Flowers in terminal spikes LOPHANTHUS. 27 



Stamens all ascending. a; Anther cells divergent, much NKPETA. 28 



x Anther cells divergent, little DRACOCEPHALUM. 29 



x Anther cells parallel. Fls. large CEDRONELLA. 30 



VI. STACHYDE.E. (Stamens parallel, ascending. Cor. upper lip galeate. Cal. 5-10-veined.) 



h Calyx lips toothed, upper 3 teeth minute, lower 2 large BRUNELLA. 31 



'i Calyx lips entire, upper with an appendage on the back SCUTELLARIA. 32 



Ic Calyx 3-lobed. Anthers all distinct. Flowers purple streaked MACBRIDKA. 33 



k Calyx 4-lobed. Anthers, the highest pair connate SYNANDRA. 34 



TO Corolla tube inflated in the midst, whitish. Lips small PHYSOSTEGIA. 35 



m Corolla tube inflated at the throat, purple. Lower lip long LAMIUM. 36 



TO Corolla inflated in the broad, concave upper lip, purple or yellow PHLOMIS. 37 



91 Corolla not inflated, short. y Calyx salver-form, 10-ribbed BALLOTA. 38 



;/ Calyx broad-bell-form, netted MOLLUCELLA. 39 



n Anthers opening transversely, ciliate-fringed. Leaves notched GALEOPSIS. 40 



n Anthers opening lengthwise. 3 Achenia rounded at the top. Native... STACHYS. 41 



2 Achenia rounded at the top. Cultivated. .BETONTCA. 42 



z Achenia truncate, 3-angled at top LEONURUS. 43 



o Corolla white, upper lip flattish. Style equally bifid MARRUBIUK. 44 



o Corolla white, upper lip concave. Style unequally bifid. South. .LEUCAS. 



o Corolla scarlet, exserted. Calyx upper tooth longest LEONOTIS. 45 



\ 



1. OCIMUM, L. SWEET BASIL. Upper lip of calyx orbicular, lower 

 4-fid. Cor. resupinate, orie lip 4-cleft, the other undivided. Stam. 4, de- 

 clined, the lower pair longer, the upper often with a process at their base. 

 Verticils 6-flowered, in terminal, interrupted racemes. 



O. basil scum L. Lvg. smooth, ovate-oblong, snbdentatc, pctiolatc ; cal. ciliatc. 

 I'lant 612'. in the kitchcn-crardens. Very fragrant. 



