A SYNOPSIS OF THE 



hiscent. 13. TETKANEMA. 



BB. Capsule septicidally debis- 



cent 



c. Fls. bilabiate 



D. Anterior lip witb mid- 

 dle lobe folded up- 

 on itself and inclos- 

 ing the stamens. ...14. Collinsia. 

 DD. Anterior lip of 3 flat, 

 spreadine lobes. . . 



E. Seeds winged 1.5. Chelone. 



EE. Seeds not winged. ..16. Pentstemon. 

 cc. Fls. with all the lobes 

 flat, spreading and 



subequal 17. Rosselia. 



AA. Staminode usually in the 

 form of a scale at apex 



of corolla tube l.S. SCROPHULARIA. 



AAA. staminode small, minute or 







B, Stamens usually exserted. 

 c. Calyx 5-parted ; capsule 



tardily dehiscent. ...19. Phtgelids. 

 cc. Calyx cup-shaped : ber- 

 ry indehiscent 20. Halleria. 



BB. Stamens included : calyx 



5-cut 



c. Fr. an indehiscent ber- 

 ry 21. Teedia. 



cc. Fr. a loculicidal cap- 

 sule 22. Paclow-NIa. 



7. XiANtLEA Tribe. 



A. Calyx bilabiate or 2-parted..23. Zalczianskta. 

 AA. Calyx 5-parted 24. Ch.enostoma. 



8. Gratiola Tribe. 



A. Perfect stamens 2 2'). Gratiola. 



AA. Perfect stamens 4 



B. Stamens all affixed inside 



corolla tube 26. Mimulus. 



BB. Stamens partly inside 

 corolla tube, partly in 

 throat, 2 affixed in each 

 place 27. Torenia. 



n. Digitalis Tribe. 



A. Capsule opens by loculici- 

 dal valves 28. Sibthorpia. 



AA. Capsule opens by septicidal 



valves 



B. Lvs. alternate 



c. Corolla declinate. tube 

 swollen, or bell- 

 shaped : posterior lip 



spreading. 29. Digitalis. 



cc. Corolla tube slender. 



spreading 30. Erinus. 



BB. Lvs. opposite 31. Ourisia. 



AAA. Capsule 4-valved or loculi- 



cidally 2-valved 



B. Lvs. all alternate or radi- 

 cal 32. Synthyris. 



BB. Lvs .(at least lower ones) 



opposite 33. Veronica. 



10. Gerardia Tribe. 



Calyx lobes shorter than tube.34. Gerardia. 



11. Euphrasia Tribe. 



A. The anther cells equal 35. Pedicllaris. 



AA. The outer anther cell fixed 

 by the middle ; inner one 

 pendulous or deficient.... 

 B. Calyx laterally com- 

 pressed, split on ante- 

 rior side or both 3R. Castilleia. 



BB. Calyx 4-cut 37. Orthocarpcs. 



101. len'tibulariace.^i;. 



A, Posterior lip of corolla 

 erect : calyx 2parted or 



deeply 2-lobed 1. Utricclaria. 



AA. Posterior lip of corolla 



VEGETABLE KINGDOM. 45 



spreading: calyx 4-5- 



parted 2. Pixgcicula. 



102. BIGNONIACE.E. 



A. Fr. indehiscent. 1. Crescentia. 



AA. Fr. dehiscent 



B. Seeds aflixed to middle of 



valve 



c. Calyx ample, membran- 

 ous, colored : ovary 1- 



celled 2. ETccremocarpcs. 



cc. Calyx small : ovary 2- 



celled 3. Jacaranda. 



BB. Seeds affixed to septum, 

 c. Valves open parallel 



with septum. 



D. The seeds in 1 series 

 o r irregularly a r- 

 ranged in about 2 



series 



E. Capsule long and 

 narrow : v a I v es 

 flat, undivided. ..4. Bignonia. 

 EE. Capsule oblong or 

 elongate ; valves 

 leathery or hard, 



usually rugose. ...5. Adenocalymna. 

 EEE. Capsule broadly 

 ovate or orbicular 

 smooth outside. . .6. Anemop.egma. 

 DD. The seeds in 2 or 



more series 



E. Valves usually thick 

 or markedly con- 

 vex 7. Pithecoctenium. 



EE. Valves flat and cori- 

 aceous 8. Oroxylon. 



cc. Valves open at right 

 angles to septum. ... 

 D. Wing of seed split in- 

 to long hairs. . . . 

 E. Plants herbaceous. . 



EE. Plants woody 9. Amphicome. 



F. Perfect stamens 



2 10. Catalpa. 



FF. Perfect stamens 



4 11. Chilopsis. 



DD. Wing of seed undivid- 

 ed 



E. Lvs. simple or digi- 



tately compound.. 12. Tabebl'ia. 

 EE. Lvs. pinnately com- 

 pound, r a r el y 



simple 



F. Capsule dehiscing 

 folliculately on 

 one side : lvs. 

 alternate. pin- 

 nate 13. Incarvillea, 



FF. Capsule not as in 



F 



g. Calyx teeth 5. 



equal 14. Tecoma. 



GO. Calyx cut or 

 lobed irregu- 

 larly or trun- 

 cate, 



H. Capsule 5-8- 



ribbed. ...15. Heterophragma. 

 HH. Capsule not 



ribbed. ...16. Stereospermcm. 



103. gesnerace.t;. 



A. Ovary more or less inferior : 



fr. capsular 



B. Disc 1. NirH.EA. 



BB. Disc annular 



c. Fls. smallish, pallid or 



white 2. DicYRTA. 



cc, Fls. largish, variously 



colored 



D. Corolla tube broadly 

 swollen or beli- 

 shaped : calyx lobes 

 usually membran- 

 ous or leafy 3. Gloxinia. 



(Of botanists, not of florists.) 

 DD. Corolla tube cylindri- 

 cal or broadened 

 above : cal.yx lobes 



