GENTIANEvE. 



247 



A. Tube of Corolla very short or greatly 

 enlarged at the mouth. Throat naked. 

 Segments not fringed. 



i. Flowers in whorls or heads. 



1 



a. Corolla without accessory plaits. 

 lutea. Cal. a sheath deeply divided on 



one side. Cor. rotate, 5-partite. Div. lan- 

 ceolate, acuminate, yelloio. p. 7, 8. Motm- 

 tain meadows, m. and s. Enr. 



The four following are supposed to le 

 hybrids between this and other species. 



2. Thomasii. Cal. a sheath deeply divided 

 on one side. Cor. rotate, 5-partite, purple, 

 somewhat spotted. Div. shortly acute. An- 

 thers free. p. 7, 8. High mountain pas- 

 tures. Bex. Glacier of Rhone. 



3. biloba. Cal. with 3 equal lobes. Cor. 

 campanulate, 6-cleft. Anthers free. p. Bloun- 

 tains of Seyne in Prov. 



4. Charpentieri. Cal. with 2 short acu- 

 minate teeth. Cor. campanulate, 5 -cleft, with 

 red spots. There are sometimes 2 or 3 

 smaller additional Teeth to the Calyx, p. 7, 

 8. Mountain valleys. Upper Engadin. 



5. gaudiniana. Cal. campanulate, with 

 2 or three teeth on one side and none on the 

 other. Cor. campanulate, 6-cleft. Anthers 

 united, p. 7, 8. Mountains above Bex. 



b. Corolla with accessory plaits. 

 * Calyx a Sheath deeply divided on one side. 



6. Burseri. Cor. campanulate, 6-cleft. 

 Anthers separate (without a mucro, Bert.). 

 L. ovato-lanceolate, obtuse. Cor. yellow, usu- 

 ally with dark spots, p. 6. e. and central Pyr. 



7. purpurea. Cor. campanulate, 6-cleft. 

 Segm. ovate, about one-thii-d as long as tube. 

 Anthers closely connected. M. pujple exter- 

 nally, yellowish within, with rows of green 

 dots. p. 7, 8. Mountains, s. Sw. n. Apenn. 



8. macrophylla. " Cal. obtuse, entire, 

 or somewhat erose at top. Cor. campanulate, 

 6-cleft. Segm. eroso-crenate. Anthers mu- 

 cronate, at last detached. Lower L. eUiptico- 

 oblong, acute, 7-nerved; upper oblongo-lan- 

 ceolate, acuminate, p. 8. Sto7iy tooods. Val- 

 deria, Pdm." — Bert. 



** Calyx campanulate, with nearly equal 

 teeth. 



9. pannonica. Teeth of Cal. lanceolate, 

 recm-ved. Cor. campanulate, 6-7-cleft. Div. 

 somewhat blunt, one-third of tube. L. sessile, 



nerved. Fl. purple, spotted. Tube pale yel- 

 low, p. 8, 9. High grass, e. Alps. 



10. punctata. Cor. campanulate, 6-fid. 

 Div. oblong, one-fom-th of tube. Teeth of 

 Cal. lanceolate, erect. Lower L. stalked, el- 

 liptical. Fl.pale yellow. (The Teeth of Cal. 

 are shorter, and the Cor. is less deeply divided, 

 than in Sp. 9, Bert.) p. 7, 8. High grassy. 

 Alps. Pyr. 



/8. campanulata. Cor. without dots. 



11. cruciata. Cor. tubuloso-campanulate, 

 4-cleft. L. decussate, oblongo-lanceolate, 3- 

 nerved, sheathing at base. Lower Sheaths 

 long, dilated upwards, p. 7-9. Dry pas- 

 tures, m. and s. Em'. 



ii. Flowers solitary or iti fairs. Corolla with 



accessory plaits. 



12. asclepiadea. Cor. turbinato-campa- 

 nulate, 5 -cleft. L. largely acuminate, on an 

 ovate base, 5-nerved, sessUe. El. numerous, 

 opposite and terminal. Fl. nearly sessile, 

 blue internally, with dark dots. p. 8, 9. 

 Grassy thickets. Alps. Vosges. Apenn. 



13. Pneumonanthe. Cor. clavato-cam- 

 panulate, 5 -cleft. L. lanceolate or linear, ob- 

 tuse ; the lower veiy small, and like scales. 

 Sheaths very short. Anthers united. Stigmas 

 long linear. Fl. deep Hue within, with 5 green 

 dotted stripes, p. 7-9. Peaty meadows. 



14. Froelichii. Stem 1 -flowered. Cor. 

 clavato- campanulate. L. lauceolato-Unear ; 

 lower crowded. Sheaths membranous, broader 

 upwards. Anthers united. Stigmas oblong. 

 Style half as long as germen. Fl. pale bhie, 

 unspotted, p. 8, 9. Very high. Carn. 



15. frigida. Fl. 1 or 2. Cor. clavato- 

 campanulate. L. lanceolato - linear ; lower 

 crowded. Sheaths membranous, broader up- 

 wards. Anthers separate. Style short (not 

 one-foiu'th of germen). Stigma oblong. Cor. 

 whitish, with blue stripes and scattered dots. 

 p. 7, 8. Very high granitic. Alps of Seckau 

 in Styria. 



16. acaulis. Stem 1-flowered. Cor. cla- 

 vato-campanulate. Teeth of Cal. attenuato- 

 lanceolate, fi-om a broad base, pressed on the 

 tube of corolla. Eoot-L. in rosettes, elliptic. 

 Anthers united, p. 7, 8. Somewhat high mea- 

 doivs and pastures. Pyr. Alps. Apenn. 



17. excisa. Stem l-flowered. Cor. cla- 

 vato-campanulate. Teeth of Cal. ovato-lan- 

 ceolate, somewhat narrowed at base, spreading. 



