A SYNOPSIS OF THE VEGETABLE KINGDOM. 



49 



Suitribe 3. Marrubie.e. 



Calyx 5-10-tootbed : corolla 

 tube included : anther cells 

 at length confluent 21. Marrubio.m. 



f<i(btrihc i. Lamie.h. 



A. The posterior lip of corolla 

 often short or flat, gla- 

 brous or pubescent 22. Colquhounia. 



AA. The posterior lip concave or 

 fornicate, rarely flatfish, 



usually villous 



E. Teeth of calyx 8-10 in 

 Leonotis, 5-13 in Mo- 



luccella 



c. Calyx very broad at 



apex 23. Moluccella. 



cc. Calyx long tubular. ..24. Leonotis. 



BB. Teeth of calyx 5 



c. Stamens often cast to 

 one side after anthe- 



sis 2D. Stachys. 



cc. Stamens often hairy on 

 the back of the an- 

 thers 26. La.midm. 



CCC. Stamens often have 

 the posterior fila- 

 ments appendaged 

 at the base 27. Thlomis. 



8. S.iTUREiA Tribe. 



Subtribe 1. Pogostemone>b. 



Calyx 5-toothed : corolla 4- 

 cut : anterior lobes usually 

 wider spreading 28. Pogostemon. 



Subtribe 2. Menthoide.e. 



A. Whorls spicate or racemose, 



not axillary 



B. Calyx equal, erect, often 

 elongated in fr. ; whorls 



many-fid 29. Elsholtzia. 



BB. Calyx suhequal in anthesis 

 hilt declinate and bila- 

 biate in fr. : whorls 2- 



fld 



c. Nutlets smooth 30. Collinsonia. 



cc. Nutlets netted-velned.. .31. I'erilla. 

 AA. Whorls axillary (or in a 

 few species of Men- 

 tha, crowded in a 

 dense terminal spike). 



B. Perfect stamens 4 32. Mentha. 



BB. Perfect stamens 2 33. CUNILA. 



AAA. Whorls in dense heads 

 surrounded by invol- 



ucral bracts 



B. Corolla sub-bilabiate : 

 whorls densely many- 



fld 



C. Lobes of corolla ovate : 

 heads often corym- 



bose-panicled 34. Ptcnanthemom. 



cc. Lobes of corolla oblong 

 or linear : heads glo- 

 bose, solitary 35. Monardella. 



BB. Corolla bilabiate : whorls 



2-fld., rarely more ; 



heads solitary, crowded 



or corymbose panicled.. 36. Origanum. 



AAAA. Whorls few-fld., axillary 



or the upper ones 



spicate : calyx throat 



closed by villous hairs. 37. Thymus. 



AAAAA. Whorls axillary or the 



highest spicate: calyx 



ope n-b e 1 I s h a pe"d, 



equal 



B. Calyx 10-nerved : stamens 



ascending 38. Satureia. 



BB. Calyx 15-nerved: stamens 



divergent 39. Hyssopus. 



Subtrtoe S. MELISSE.E. 

 A. Posterior lip of corolla con- 

 cave, sickle-shaped or gal- 

 sate 40. ACANTHOMINTHA. 



AA. Posterior lip of corolla flat- 

 fish or slightly concave.. 

 B. Calyx distinctly 2-lipped. 

 c. Corolla tube straight or 



slightly curved 41. Calamintha. 



cc. Corolla tube below the 

 middle recurved-as- 



cending 42. Melis.sa. 



BB. Calyx equal or sub bila- 

 biate 



c. Perfect stamens 4. ...43. Micromeria. 

 cc. Perfect stamens 2 44. Hedeoma. 



110. PLANTAGINACE.Ti:. 



Ovary 2-ceIled or spuriously 



4-celled 1. Plantago. 



111. NYCTAGINACE.E. 



A. FIs. involucrate 



B. Stigma with a small 

 head : anthers didyna- 



„„ o,"""'^ 1- MiRABILIS. 



BB. Stigma linear: anthers 



not didynamous 2. Abronia. 



AA. FIs. not involucrate : bracts 



large, colored 3. Bougainvill^a. 



112. ILLECEBRACE.IJ. 



A. Segments of involucrate per- 

 ianth hooded near apex 

 and mucronate on back..l. Paronychia. 

 AA. Segments of hardly involu- 

 crate perianth riot hood- 

 ed, and blunt 2. IIerniaria. 



113. amahantace.t;. 



A. Anthers 2-cel!ed 



B. Ovary 2-ovuled 1. Celo.sia. 



BB. Ovary 1 ovuled 



c. Ovule erect, with a 



short funiculus 2. Ajiarantus. 



cc. Ovule suspended from 

 the apex of an 

 elongated funiculus.. 

 D. Perianth segments 

 scarious at apex, 

 connate at base. . .3. Trichinium. 

 DD. Perianth segments 

 hyaline, membran- 

 ous or somewhat 

 papery, lanate. ... 4. ,Erva. 



AA. Anthers 1 -relied 



B. FIs. minute in glomerules 

 or little spiked along 

 the sparse branches of 



the panicle 5. Iresine. 



BB. FIs. in heads or spikes 



rarel,v panicled 



c. Stigmas 2 



D. Perianth segments 

 free or connate at 



base 6. Go.mphrena. 



DD. Perianth tube 5-cut. 

 cristate or winged 



„ c. '° ''•• • ; ^- Frcelichia. 



cc. Stigma simple 



D. Staminal tube short 

 or long, with 5 an- 

 ther-bearing awl- 

 shaped laciniae and 

 5 antherless laci- 



,^„ Bt'"''! 'yt^"?™"'- ■•8. Telanthera. 



DD. Staminal tubes with 

 no antherlfss lac- 

 ini» interposed. ..9. Pfaffia. 



114. CHENOPODIACE.E. 



A. FIs. with 4 bractlets, 2 of 

 which are adnate to the 

 perianth at the base or 



higher 



B. Embryo spiral : filaments 



straight in the bud. ... 1. Basella. 

 BB. Embryo semi-annular: 

 filaments recurved at 

 apex or lower in the 

 bud 2. Boussingadltia. 



