238 ORDER 91. LABIAT^E. , 



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

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



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



6 Calyx subeqnally 5-toothed, teeth spinescent... (n) 

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



L OC1MOIDE./E. r Corolla upper lip 4-lobed, lower entire, flattish OCIMUM 



r Corolla upper lip 4-lobed, lower saccate, deflexed HTPTIS. 51 



r Corolla upper lip 3-4-8d, lower boat-form, involving the sta. .COLEUS. 3 



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



II. AJUGOIDE.fi. 6 Stamens 2, exserted through a fissure in the tube . . AMETHTSTEA. 5 



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



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



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



TO SATUREJKjE. (Stamens diverging or ascending, 2-celled. Corolla lobes flattish, spreading.) 



*e 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 LTCOPCS. 11 



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



cyanic, throat naked. Stamens ascending HEDEOMA. 13 



yellow, throat with a hairy ring inside COLLI NSONI A. 14 



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



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



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



u Sta. ascending, anth. spurless SATUREJA. 17 



u Sta. ascending, anth. spurred DICERANDRA. 18 



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



p Bracts narrow, minute THYMUS. 20 



/ Tube of the corolla straight. Leaves small, snbcrenate or entire C ALAMINTH A. 21 



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



IV. MOXARDE^E. Connectile long, transverse, distancing the anther cells SALVIA. 23 



Connectile continuous with 61. toothed at the juncture H OSXARINCS. 24 



Conuectile inconspicuous. to Calyx subequally toothed MONARDA. 25 



ir Calyx bilabiate, aristate BLEPBTLLIA. 26 



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



Stamens all ascending. x Anther cells divergent, much NEPETA. 28 



x Anther cells divergent, little DRACOCEPHALOH. 29 



x Anther cells parallel. Kls. large CEDRONELLA. 90 



VI. 8TACHYDE,*. (Stamens parallel, ascending. Cor. upper lip galeate. CaL 6-10-veined.) 



h Calyx lips toothed, npper 3 teeth minute, Iower21arge BRUNELLA. 31 



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



k Calyx 3-lobed. Anthers all distinct. Flowers purple streaked MACBRIDEA. 33 



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



m Corolla tube inflated in the midst, whitish. Lips small PHTSOSTEGIA. 35 



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



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



n Corolla not inflated, short. tj Calyx salver-form, 10-ribbed BALLOTA. 38 



y Calyx broad-bell-form, netted MOLLOCELLA. 39 



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



* Anthers opening lengthwise. z Achenia ronnded at the top. Native... STACHTS. 41 



z Achenia rounded at the top. Cultivated. .BETONICA. 42 



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



o Corolla white, upper lip flattish. Style equally bi&d MARRUBIUH. 44 



o Corolla white, npper lip concave. Style unequally bifld. 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, one 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. Imsilioum L. Lvs. smooth, ovate-oblong, gubdentate, petiolate ; cal. ciliate 

 Plant, 6 12 7 . in the kitchen-gardens. Very fragrant. 



