LAB I ATA. 100 



TERBENACEi:. 



OotoUa nearly equally (Globed: calyx 5-toothed: small flowers in iplka... ••«•••••••• t 



Corolla bilabiate, 4-lobed: calyx 2-cleft: small heads on slender peduncles • .m.** 8 



1. VERBENA, Toumefort. 



officinalis, L. Spikes filiform, bracts minute: leaves pinnatifid. 

 polystachya, HBK- Leaves serrate: corolla a line broad. Rare, 

 hastata, L. Erect, 3-6 ft high: leaves coarsely serrate, petioled. 

 prostata, R. Br. Diffuse, spreading, hairy: corolla 2 lines broad. 

 bracteosa, Michx. Similar, but rigid bracts exceeding smaller flowers. 



2. UPPIA, Linnaeus. 

 L Lk nodiflora, Michx. Creeping: peduncles 1-4 in. long: flowers rose to white. 



LABIATiE. 



I 1. Stamens 4, coiled In the bud, much exserted through a cleft In the upper lip: leaves 



entire: corolla and curved filaments blue or purple 1 



I 2. Stamens erect or ascending, the posterior pair shorter or wanting: snther-cellr 

 short, close together or united: upper lip of corolla not concare or hooded (except 

 in No. 9). 

 • Corolla arnaUf almost equally 4-lobed: axiUary fioxctra in densi wkorl'Uke clutCert, the uppa 



axils jlowerUsa. 



Stamens 4, nearly equal, all perfect: calyx 5 toothed 9 



Stamens 2, with anthers, posterior pair sterile or wanting 3 



• * Corolla bilabiate: stamens 4. 

 Flowers capitate: calyx equally 5-toothed: stamens distinct, straight. 



Upper lip of corolla entire or merely notched 4 



Upper lip 2-cleft: stamens exserted 5 



Flowers solitary or in clusters, axillary: curved stamens all perfect. 



Flowers small, white or purple: not J in. long Q 



Flowers over an inch long, orange; peduncles bracteate 7 



Flowers in oblong heads or interrupted spikes, blue or purple 8 



Flowers in axillary clusters, rose and white: upper anthers imperfect 



Flowers with white or purplish corolla an inch long: stamens perfect 10 



I 3. Stamens 2, the upper pair rudimentary or wanting: anthers 1 -celled or with 2 cells 

 "ridely separated on the ends of a filament-like connective: flowers in dense terminal 

 heads or globose whorls (except sp. S ol No. lyCt. 

 O>nnoctive versatile upon the short filament. LenYM pmnatifid 11 



