238 ORDER 91. LABIATE. 



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

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

 5 Calyx subequally 5-loothed, teeth not spinescent. ..(TO) 

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

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



L OCIMOIDEJ5. r Corolla upper lip 4-lobed, lower entire, flattish OCIMCM 1 



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



r Corolla upper lip 3-4-fid, lower boat-form, involving the sta. .COLEUS. 5 



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



II. AJUGOIDE^E. b Stamens 2, exserted through a fissure in the tube AMETHTSTKA. 6 



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



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



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



HI SATUREJE^G. (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 LYCOPUS. 11 



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



s cyanic, throat naked. Stamens ascending HEDEOUA. 13 



-s yellow, throat with a hairy ring inside COLLINSOMA. 14 



t Calyx 15- veined. Stamens exserted, divergent H YSSOPUS. 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 PYCNANTHEMCM. 16 



Sta. ascending, anth. spurless. SATUREJA. 17 



u Sta. ascending, anth. spurred DICERANDRA. 18 



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



a 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 



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



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



Conuectile inconspicuous. w Calyx subequally toothed MONARDA. 25 



10 Calyx bilabiate, aristate BLEPHYLLIA. 26 



V NEPETEJ5. Stamens distant, exserted. Flowers in terminal spikes LOPHANTHUS. 27 



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



x Anther cells divergent, little DRACOCEPHALCM. 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 



* Calyx lips entire, upper with an appendage on the back SCCTELLARIA. 32 



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



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



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



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



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



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



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



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



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



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



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



o Corolla white, upper lip flattish. Style equally bifid ...MARRCBICM. 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, 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. basilfcum L. Lvs. smooth, ovate-oblong, Bubdentate, petiolate ; cal. ciliatc. 

 Plant 612'. in the kitchen-garden?. Very fragrant. 



