i DIANDRIA MONOGYN1A. 



5. LEPTANDRA. Cat. 5 -parted ; segments acuminate. Co/. tu,> 

 ular-campanulate ; border 4-lobed, a little ringent ; the lower seg- 

 ment narrower. Stain, and at length the pist. much exserted. Cap*. 

 ovate, acuminate, opening at the summit. 



6 GRATIOLA. Cal. 5-parted, often with two bracts at the base. 

 Cor. irregular, rcsupinate, 2-lipped ; the upper lip 2-lobed ; the lower 

 equally 3-cleft ; Stig. 2-lipped. Caps. 2-celled, 2-valved. 



7. LINDERNIA. Cal. 5-parted. Cor. resupinate, tubular, 2-lipped ; 



upper lip short, reflexed, emarginate ; the lower lip trifid and une- 

 qual. Fil. 4; the two longer forked and sterile. Caps. 2-celled, 2- 

 valved ; dissepiment parallel with the valves. 



8. UTRICULAR1A. Cal. 2-leaved, equal. Cor. personate or ringent; 



upper lip erect ; lower lip spurred at the base ; palate subcordate. 

 Fil. incurved, bearing the anthers within the apex. Stig. 2-lipped. 

 Caps. 1-celled. 



t t t Seeds 4, naked. LABIATJE. 



9. LYCOPUS. Cal. tubular, 5-cleft, or 5-toothed. Cor. tubular, 4-cleft, 



nearly equal ; upper division broader and emarginate. Stam. dis- 

 tant. Seeds 4, retuse. 



10. HEDEOMA. Cal. 2-lipped, gibbous at the base ; upper lip 3-tooth- 

 ed ; teeth lanceolate ; lower lip of 2 subulate teeth. Cor. ringent. 

 Stam. 2 fertile, as long as the corolla ; 2 sterile, short. 



11. MONARDA. Cal. 5-toothed, tubular. Cor. ringent; upper lip 

 linear, involving the filaments ; lower lip reflexed, 3-lobed. 



12. SAL VIA. Cal. subcampanulate, bilabiate ; upper lip 2 3-toothed, 

 lower lip bifid. Cor. ringent. Fil. transversely affixed to a foot 

 stalk. 



13. COLLINSONIA. Cal. bilabiate ; upper lip 3-toothed. Cor. un- 

 equal, somewhat campanulate, unequally 5-lobed ; lower lobe divi- 

 ded into many capillary segments. Seeds 4; three of them generally 

 abortive. 



* * Flowers superior. 



14. CIRC^EA. Cal. 2-leaved, superior. Cor. 2-petalled. Caps. 2- 

 celled, not opening ; cells 2-seeded. 



* * * Flowers incomplete. 



15. LEMNA. Cal. 1-leaved, entire. Cor. 0. Fruit a utricle. Seed I 

 lying horizontally, and affixed by its lower side. 



MONOGYNIA. 

 Specie*. 3. LIGUSTRUM. Prim, or Privet. 



L. vulgare : leaves elliptical lanceolate, smooth ; racemes compound, 

 crowded. 



HAB. Hedges and open woods. May. *> . 6ft. high ; leaves oppo- 

 site ; Jlowers white, panicled ; berries black. 



4. VERONICA. Speedwell. 



V. qfficinalis : spikes lateral, peduncled ; leaves obovate, or roundish, 



serrate, hairy ; stem procumbent. 

 HAB. Dry woods and meadows. June July. 71. Stem diffuse; spikt* 



erect, subradical ; Jl. blue. 



