634 GENTIANA 



^X., Not fringed: fttlyx 5-cut: co- 

 T'llla lobes lipped with a sharp 



point 17. quinquefolia 



CC. CorolUi plaited. 

 D. Sti'jntus ^, always distinct. 

 E. Capsules finally raised on a 



distinct stalk. 

 P. Anthers permanently grown 



together. 

 G. Calyx as long as the corolla. 18. FKElichii 

 GG. Ca I yx one-half or one-third as 

 long as the corolla. 



H. Seeils not at all winged 19. asclepiadea 



HH. Seeds slightly winged. 



I. Fls. open 20. Pneumonanthe 



II. Fls. closed, Hue 21. Saponaria 



HHH. .Seeds strongly winged. 



I. Fls. closed , purple 22. Andrewsii 



II. Fls. open 23. linearis 



FF. Anthers free, at least finally. 



a. JVionber of corolla lobes 10. .24. Fyrenaica 

 GG. JViimber of corolla lobes 5 

 [rarely 4). 



H. Calyx 4-lobed 25. prostrata 



HH. Vulyx 5-lobed. 



I. Lvs. distinctly rough above 



(hispid-scabrous) 2G. scabra 



II. I/vs. distinctly rough at the 

 margins (scabrous). 

 J. Lobes of calyx shorter than 



the calyx tube 27. Fortuni 



Jj. 1/obes of calyx as long as 

 the calyx tube. 

 K. Corolla lobes orate, nnite, 



iniirl, ml ./.-;-. I. ./:i,/r^. . .2S. septemfida 



pendages 29. affinis 



m. Lvs. not distinctly rough 

 above or at margins. 

 J. Seeds not at all winged. 

 K. Form of corolla lobes 



linear-oblong 30. Olivieri 



KK. Form of corolla lobes 

 ovate, often broadly so. 

 h. Fls. solitary. 



M. Peduncled 31. Porphyrio 



MM. Ifot peduncled .'!2. ornata 



Li.. Fls. in clusters of S-5 or 



M. ii'S. lanceolate-linear. .33. triflora 

 MM. Lvs. ovate to oblong- 

 lanceolate. 



N. Height 2-4 ft 3-1. Boeptrum 



vs. Height 9-12 in. 



o. Calyx lobes ovate, 

 about as long as the 



calyj- tube 35. calycosa 



oo. Calyx lobes linear, 

 moderately or much 

 shorter than the 



calyx tube 36. Parryi 



JJ. Seeds winged (at the base 



wings narrow, Ihickish). 

 K. Height -JS in. .- fls. spot- 

 ted. 

 L. Pedicel % in. long or 



more 37. Kurroo 



LL. Pedicel very short, prac- 



tiealli/ absent 38. Newberryi 



KK. Height 1-2 ft. 



L. Fls. in a dense spike 3!1. Bigelovii 



lA..Fls.l-few or.iiveral. 

 M. Appendages ennspicu- 

 ous, sometimes nearly 

 as long as the corolla 



lobes 40. Oregana 



MM. Appendages only half as 

 long as the corolla 

 lobes 41. pubenila 



(;;.s7 



,gelhe 



style 



(I. Calyx .Teal, the lobes longer 



than the ralyx lube 42. Pannomca 



GG. Calyx entire, truncate, indis- 



Hnetly ■'i-lobed 43. Gaudini 



rp. Anthers free: style usually 



not distinct: seeds not winged. 



G. Lvs. 6-12 in. long: calyx 5-6- 



lobed 44. macrophylla 



GO. Lvs. much shorter: calyx 4- 



lobed 45. Cruciata 



■I the 



ilyx pelhc 



FF. Calyx leafy 40. Carpatica 



G. Seeds winged 47. imbricata 



GG. Seeds not winged. 



H. Lvs. ovate 4S. vema 



HH. Lvs. obovate 4'.l. Bavarica 



HHH. Lvs. linear 'M. pumila 



EE. Anthers connate: style short, .bl. acaulla 

 F. Fls. spotted. 



a. Color sky-blue 52. angustifoUa 



GG. Color violet-blue 53. Kochiana 



TF. Fls. not spotted, 

 a. Corolla broadly bell-shaped. 



H. Size of fls. large 54. Clusii 



HH. Size of fls. small 55, alpina 



GG. Corolla almost cylindrical. .aG. Dinarica 

 . liitea, Linn. Fls. in dense, umhiMik.- .■vnn-^ ; r< 



1. liitea, Li 



rolla S-fi-part. 

 free ; stvle ii. 



ill N. 



appear the riilluwiiii: .\l;ir<'it ami Aj'til, J . .Pin- 



prick them out under a cldfraliie. and in .Vu„. ir.iii l,r 

 young plants to pots, where they should be krpt until 

 needed for permanent outdoor use. Be very ciii-eful 

 never to break the roots. Sometimes cult, abroa.l for 

 medicine. 



2. Biirseri, Lapeyr. Lvs. 7-nerved : corolla mostly 

 G-cut; lobes ovate-oblong, acute; anthers connate | style 

 distinct. June, July. Pyrenees. -Cult, like 1. 



3. deciimbens, Linn.,f. (G. adsehidens, Pall.). Lvs. 

 linear-lance<ilate. margins scalirous: tls. blue; corolla 

 narrowly oboonical, toothed between the lobes; lobes 5, 

 ovate; anthers connate, finally free. Himal.,Sib. June- 

 Aug. B.M. 705, 723. -Cult like 1. 



4. purpiirea, Linn. Lvs. ovate-oblong, 5-nerved: fls. 

 purple above; corolla tube yellowish, club-shaped ; lobes 

 mostly 6, obovate-subrotund, one-third the length of the 

 tube. Aug., Sept. Eu. L. B.C. 0:583 shows a rich, dull 

 purple, with no trace of blue. — Compost of sphagnum 

 and heath soil. Be careful not to break the roots. 



5. rdbra, Clairv.irV. Thorn, isii .tiWV.Kh.). One of 5 or 

 more natural hybrids between (/. Inlm and some species 

 of the section Ca>lanthe, which includes (J. punctata, 

 purpurea, Pannonica, and Burseri : fls. purplish out- 

 side. Swiss Alps. 



6. punctata, Linn. Lvs. 5-ncrved : calyx 5-7-cut : 

 corolla tube bell-shaped; lobes o, .,i, . unit;. -1%, one-third 

 the length of the tube; anther- ! ." 1 MiddleKu.- 

 The spots are not arranged in rd.r. This 



belongs to the section Ccelaiiiln . , , i,. .-. ed has a 



■wing of the same color, while th. n. .\i ,'j ..j.Leies belong 

 to the section Pneumonanthe, iu which there is no wing, 

 or it is of a different color. -Cult, like 18. 



7. dlba, Muhl. St. stout: lvs. acuminate, with a clasp- 

 ing base: fls. in a terminal head, with single or clustered 

 ones in the upper axils; dull white, commonly tinged 

 yellowish or greenish; corolla resembling G. Saponaria, 

 but more bell-sha]ied and open; lobes ovate, short, little 

 if at all spreading. Low grounds and mountain mea- 

 dows, N. Amer. B.M. 1551, erroneously, as G. ochro- 

 ;eHciJ.-Cult. Iike20. 



8. ochroletica, Fra?l. St. ascending: lvs. ovate-lanceo- 

 late and obovate: fls. in crowded terminal, nearly ses- 

 sile, leafy cymes; corolla yellowish white, club-shaped, 



