CXII. LABIATE. (J. D. Hooker.) 605 
or 0, radicle inferior. — Species about 2600, chiefly of north temperate 
regions. 
Tribe 1. Ocimoideæ. Perfect stamens 4, rarely 2, declinate; anther- 
cells confluent. Ovary 4-partite. Wutlets dry, basal scar small. 
Subtribe 1. EvocrwEx. Upper calyx-lobe usually broadest. Corolla with 
4 of the lobes equal or the 2 upper connate, the lower (lip) dissimilar. 
Stamens usually exserted. 
* Lower lip of corolla flat or nearly so. 
Fruiting calyx deflexed, upper tooth very large, decur- 
rent, stigma 2-fid . 1. OCIMUM. 
F ruiting calyx suberect or declinate, tube deeply ‘pitted 2. GENIOSPORUM. 
Fruiting calyx declinate, 2-lipped, upper filaments 
toothed. . 3. MESONA. 
Fruitiug calyx declinate, 2. lipped filaments simple, 
included `. . 4. PLATYSTOMA. 
Fruiting calyx suberect, 4 lower "teeth. cuneate ; fila- 
ments simple, included . . 5. ACROCEPHALUS. 
Fruiting calyx usually declinate, equally 5- toothed, or 
upper tooth broader; filaments included. . . . 6. MoscHosMA. 
ruiting calyx deflexed ; corolla-tube often long ; stigma 
entire o . . . . ew eee te ee . 7. ORTHOSIPHON. 
** Lower lip of corolla concave or boat-shaped. 
Calyx equally 5-toothed or 2-lipped ; filaments free. . 8. PLECTRANTHUS. 
Stamens 4; filaments-connate below. . 9. COLEUS. 
Calyx- mouth oblique, upper lip usually decurved ; fila- 
ments free. . . 10. ANISOCHILUS. 
Corolla- -lip deflexed, contr "acted ‘at the base . . . . 10*. HYPTIS. 
Subtribe 2. LAvANDULEX. Corolla2-lipped ; upper lip 2-fid, lower 3-fid. 
lamens included. Nutlets with an oblique basal scar. 
11. LAVANDULA. 
Tribe 2. Satureineæ. Perfect stamens 4 with the upper pair longest, 
or 2, straight diverging or ascending; anthers (l- or) 2-celled, cells short. 
Corolla. lobes flat. 
" Subtribe 1. PoaosrEMoNEX. Stamens 4; filaments straight; anthers 
-celled. 
Calyx 5-toothed ; corolla 4-fid, lip spreading . . . . 12. PoaosrEMow. 
Calyx 5. -toothed ; corolla subequally 4-fid; stamens 
exserted , . . 13. DxsoPHYLLA. 
Calyx 5- -partite, segments plumose ; ; stamens included . 14. CoLEBROOKIA. 
Subtribe 2. Mentuorpe®. Stamens 4 or 2, distant, erect or spreading ; 
anthers 2-celled (at least when young). 
* Whorls many-fld., spiked or racemed, not axillary. 
Fruiting calyx erect, elongate; stamens 4. . . . . 15, ELSHOLTZIA. 
ruiting d; stamens4. . . . 15. PERILLA. 
Stamens 2 declinate, a lipped; i . e è o . MOSLA. 
** Whorls many-fid., axillary, rarely spicate ; olya 10-13-nerved. 
Calyx 10-nerved; stamens 4, anther-cells parallel . . 18. MENTHA. 
alyx 4-5-toothed stamens 2; nutlets truncate . . 19. LycoPus. 
