634 



GENTIANA 



GENTIANA 



EE. Not fringed: calyx 5-cut: co- EE. Capsule sessile. 



rolla lobes tipped with a sharp F. Anthers grown together: style 



point 17. quinquefolia distinct: seeds winged. 



CC. Corolla plaited. G. Calyx 5-cut, the lobes longer 



D. Stigmas 2, always distinct. than the calyx tube 42. Pannomca 



E. Capsules finally raised on a GG. Calyx entire, truncate, indis- 



distinct stalk. tinctly 5-lobed 43. Gaudini 



F. Anthers permanently grown FF. Anthers free: style visually 



together. not distinct: seeds not icing ed. 



G. Calyx as long as the corolla. 18. Froelichii G. Lvs. 6-12 in. long: calyx 5-6- 



GG. Calyx one-half or one-third as lobed 44. macrophyll 



long as the corolla. GG. Lvs. much shorter: calyx 4- 



H. Seeds not at all u-inged 19. asclepiadea lobed 45. Cmciata 



HH. Seeds slightly winged. DD. Stigmas contiguous, rather 



i. Fls. open 20. Pneumonanthe funnel -shaped, the margin cre- 



ii. Fls. closed, blue 21. Saponaria . nate-fimbriate. 



HHH. Seeds strongly winged. E. Anthers free: style distinct. 



i. Fls. closed, purple 22. Andrewsii F. Calyx pellucid, veiny. 



n. Fls. open 23. linearis FF - Calyx leafy 46. Carpatica 



PF. Anthers free, at least finally. G - Seeds winged 47. imbricata 



G. Number of corolla lobes 10. .24. Pyrenaica GG - Seeds not winged. 



GG. Number of corolla lobes 5 H - Lvs. ovate 48. verna 



(rarely 4). HH - Lvs. obovate 49. Bavarica 



H. Calyx 4-lobed 25. prostrata HHH - Lvs. linear 50. pumila 



HH. Calyx 5-lobed. EE - Anthers connate: style short. .51. acaulis 



i. Lvs. distinctly rough above F - Fls. spotted. 



(hispid-scabrous) 26. scabra Color sky-blue 52. angustifolia 



n. Lvs. distinctly rough at the GG - Color violet-blue 53. Kochiana 



margins (scabrous). FF - Fls. not spotted. 



j. Lobes of calyx shorter than G - Corolla broadly bell-shaped. 



the calyx tube 27. Fortuni H - Size of fls - lar ff e 54. Clusii 



jj. Lobes of calyx as long as HH - Size of ns - small 55. alpina 



the calyx tube. GG - Corolla almost cylindrical. .56. Dinarica 

 K. Corolla lobes ovate acute, L lutea , Linn . Fls . in denge umbe l-like cymes ; co- 

 re little longer than the rolla 5-6-parted ; lobes oblong-linear, acuminate ; anthers 

 much cut appendages... 28. septemhda free ; style none. July-Sept. Eu. Asia MinoiU Prop. 

 KK. Corolla lobes oblong-Ian- only by seed. Sow seed in Nov. incoldframe. Seedlings 

 ceolate, obtuse, thrice as appear the following March and April. In May and June 

 long as the much cut ap- _ prick them out under a coldframe, and in Aug. transfer 



pendages. 29. affmis young plants to pots, where they should be kept until 



m. Lvs. not distinctly rough needed for permanent outdoor use. Be very careful 



above or at margins. never to break the rootgt Sometimes cult, abroad for 



J. Seeds not at all winged. medicine. 



K liTear-oblo C na Ua ^30 Olivieri 2 " B * r8eri ' La P e ^' Lvs " 7-nerved : corolla mostly 



KK Form o corolla ' lobes 6 ' cut; l*>es ovate-oblong, acute; anthers connate ; style 



' ovate, oftenTroadlysof distinct ' June > Jul ^ Pyrenees. -Cult, like 1. 



L. Fls. solitary. 3. deciimbens, Linn., f. (G. adscendens, Pall.). Lvs. 



M. Peduncled 31. Porphyrio linear-lanceolate, margins scabrous : fls. blue ; corolla 



MM. Not peduncled 32. ornata narrowly obconical, toothed between the lobes ; -lobes 5, 



LL. Fls. in clusters of 3-5 or ovate; anthers connate, finally free. Himal.,Sib. June- 

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



M. Lvs. lanceolate-linear. .33. triflora 4. purpurea, Linn. Lvs. ovate-oblong, 5-nerved: fls. 



MM. Lvs. ovate to oblong- purple above; corolla tube yellowish, club-shaped; lobes 



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



N. Height 2-4 ft 34. sceptrum tube. Aug., Sept. Eu. L.B.C. 6:583 shows a rich, dull 



NN. Height 9-12 in. purple, with no trace of blue. Compost of sphagnum 



o. Calyx lobes ovate, and heath soil. Be careful not to break the roots. 



about as long as the 5. rubra, Clairv.(. Thdmasii, Gillab.). One of 5 or 



calyx tube 35. calycosa more natural hybrids between G. lutea and some species 



oo. Calyx lobes linear, o f t h e section Coelanthe, which includes G. punctata, 



moderately or much purpurea, Pannonica, and Burseri : fls. purplish out- 



S calxtube the w Parr i Sid6 ' Swiss A1 P S ' 



JJ. Seeds winged (at' the' base ' ^^ 6. punctata, Linn. Lvs. 5-nerved : calyx 5-7-cut: 



in TTurrnn iv TtineiMiii corolla tube bell-shaped ; lobes ovate, muticous, one-third 



wings narrow, thickish). gjf len ^ h of the J ube 5 anthe . rs finall j f 5 ee - Mi <j dle E ^ 



K. Heiqht 2-8 in fls snot- spots are not arranged in any definite order. This 



t e $ . ' belongs to the section Coelanthe, in which the seed has a 



L. Pedicel K in lona or wing of the same color ' while the next 5 species belong 



more 37 Kurroo to ^ e sect i n Pneumonanthe, in which there is no wing, 



LL. Pedicel very' short, "p'rac- ' or ** is of a diff erent color.-Cult. like 18. 



tically absent 38. Newberryi 7. alba, Muhl. St. stout : Ivs. acuminate, with a clasp- 



KK. Height 1-2 ft. ing base: fls. in a terminal head, with single or cluster 



L. Fls. in a dense spike 39. Bigelovii ones in the upper axils; dull white, commonly tinj 



LL. Fls. 1-few or several. yellowish or greenish; corolla resembling G. Saponari 



M. Appendages conspicu- but more bell-shaped and open; lobes ovate, short, litt 



ous, sometimes nearly if at & U spreading. Low grounds and mountain me 



as long as the corolla dows, N. Amer. B.M. 1551, erroneously, as G. ocht 



lobes 40. Oregana leuca. Cult, like 20. 



MM. Appendages only half as 8. ochroleuca, Frcel. St. ascending: Ivs. ovate-lance 



long as the corolla late and obovate : fls. in crowded terminal, nearly s< 



lobes 41. puberula' sile, leafy cymes ; corolla yellowish white, club-shai 



