L.VBIATiE. (mint RVMILY.) 97 



on slender pedicles in a corymb or short raceme; corolla rosc-purplc or purj)lc, an inch 

 or more lon^, or twice the length of the deeply parted calyx; anthers woolly. 



4. A. Califomicum, Gr. Flowers crowded in an ohlong thyrsus or raceme; calyx 

 lobes nearly cc^ualiiig the tube of the yelluwish or jjurplish corulla; anthers smooth or 

 nearly so. 



5. A. tuberosum, Cr. Flowers small, sessile in a compact cluster; yellowish. 

 Bnschuiakia, strohilacea, Gr., if fouuJ may bo linown by its rcscmblanco to a Bpruce cone, 3 or 4 



inches long, the flowers striped with white and brownish red; scale-like bracts brown. 



Order 45. LAEIATiS. 



Chiefly aromatic herbs ^vith square stems, opposite simple leaves, and no stipules, 

 bilabiate corolla, didynamous or diandrous stamens, and a 4-lobed ovary with a single 

 style, forming seed-like nutlets in the bottom of the j)ersistent calyx, — Flowers perfect, 

 axillary. Calyx 3-5-toothed or cleft, or bilabiate. Stamens on the tulles of the corolla. 

 Style, 2-clcft at the apex; often unequally so, or one of the lobes obsolete; stigmas 

 minute. 



Tribe 1. SATUREIE-SI. Stamens erect or ascending; the posterior par^ shorter 

 or wanting; anthers 2-celled, and the short lobes never far separated, sometimes partly 

 confluent but not blended. Upper lip of the corolla never hooded; all the lobes flat or 

 nearly so. 



* Tlie small corolla about equally 4-lobed; tube naked within. 



Stamens 4, nearly equal Mentha. 1 



Stamens 2, with £lnthers; posterior pair sterile or wanting Lycopus. 2 



* * Corolla bilabiate; no hainj ring within the base of the tube. 



+- Cahjx about equally 5-toothed and l3-nerved; style beardless. 

 Flowers glomerate-capitate. Stamens 4, straight. 



Stamens distant and divergent Pycnanthemum. 3 



Stamens exserted Monardella. 4 



Flowers solitary or clustered in the axils. 

 Stamens 4, curving, shorter than the corolla Micromeria, 5 



+- +- Calyx unequally and derply o-clr/t, mostly IJ-nerved; style bfanhil tilmir. ^ 

 Stamens 4, sometimes the upper pair sterile Pogogyne. 6 



* * * Corolla not manifestly bilabiate; a hairy riiuj at the base of the tube within. 

 Shrubby. Jlowers large, campanulate Spliacele. 7 



Tribe 2. MoNARDEJi. Stamens only 2, fertile, the upper pair rudimentary or want- 

 ing; anthers apparently or really of a single linear-oblong cell, or of 2 cells widely sep- 

 arated upon the ends of a lilamcnt-liko connective. 



7 



