248 



553. GENTIANA. 



Root-L. ia rosettes, oval or elliptic. Anthers 

 united, p. 7, 8. High granitic meadovjs. 

 Sw. G. 



/8. alpina, ViiL. Smaller in all its parts. 



B. Tube of Corolla cylindrical, or somewhat 

 barreled. Throat naked. Segments not 

 fringed. 



i. Perennial. Stems numerous, simple, \-flow- 

 ered. Barren shoots prepared for fol- 

 lowing year. 



18. bavarica. L. obovate, veiytlant, at- 

 tenuate ; tlie lower crowded. Style deeply 

 cloven, p. 7, 8. High moist. Alps. Jura. 

 Pyr. Apemi. 



19. brachyphylla. L. subrotundo-ovate, 

 acute, attenuate, somewbat fleshy. Root-L. in 

 rosettes. Style undivided, p. 7, 8. Very 

 high granitic, s. e. Alps. 



20. vema. L. elliptic, acute. Root-L. in 

 rosettes. Style undivided. Angles of Cal. 

 evenly winged. M. bright blue. p. 5, 6. 

 High. Alps. Jura. Pyi'en. Apenn. Teesdale. 

 Galway. 



21. sestiva. L. elliptico-lanceolate. Root- 

 L. in rosettes. Style undivided. Wings of Cal. 

 broadest in the middle, p. 6, 7. e. Alps. 

 Tl. twice as long as in G. vema, of which it 

 is probably a variety. 



23. imbricata. L. lanceolato-eUiptic, at- 

 tenuate, rough on margin : all imbricate. Fl. 

 funnel-shaped. Style undivided, p. 7, 8. Very 

 high. Tyrol. Cai'n. 



23. pumila. L. linear, hardly naiTower at 

 base; lower crowded. Cor. funnel-shaped, some- 

 what crenate. Style undivided, p. 7, 8. Very 

 high. Sty. Cam. 



24. pyrenaica. Plaits of expanded Cor. 

 forming 10 divisions ! Intermediate Div. smaller, 

 crenate, obtuse. L. lanceolato-liuear. Stem 

 somewhat branched at the bottom, p. 7j 8. 

 High. e. Pyr. 



ii. Annual. Stem single, branched, many -flow- 

 ered. No barren shoots. Styles cloven. 



25. prostrata. Expanded Plaits of Cor. 

 more than half as long as segments. L. ob- 

 ovate, obtuse. Style bipartite, revolute. Fl. 

 pale blue. a. 7, 8. Snow. Salzb. Carinth. 



26. utriculosa. Cal. inflated, with winged 

 angles. Intermediate Plaits of Cor. not ex- 

 panded. Style long, cloven. L. ovate or ob- 

 long. Root-L. in rosettes, a. 6-8. Moist 

 mountain meadows, e. Bav. Alsace. Jura. Be- 



tween Diirkheim and Mannheim on the Rhine. 

 Alps. Apenn. 



27. nivalis. Cal. cylindrical. Angles keeled. 

 Plaits of Cor. not expanded. Style short. L. 

 ovate or oblong. Root-L. rosulate. Fl. bright 

 blue. a. 7, 8. Snowy. Alps. Pyr. Apenn. 



C. Throat of Corolla bearded. Root-L. ob- 



ovate, stalked. 



i. Calyx tubular, 'k-^-toothed. 



28. campestris. Cor. 4-cleft. Segm. 

 of Cal. 4, very unequal ; the 2 outer cover- 

 ing the inner. Stipe of Caps, very short. L. 

 ovato-lanceolate, acute, a. 7, 8. Open. 



29. ^eriuanica. Cor. 5-cleft. Cal. with 5 

 nearly equal teeth. L. sessile, ovate, prolonged, 

 acute. Stipe of Caps, very short, a. 8, 9. 

 Meadows and moist thickets. G. Pr. 



j8. v/iiiflora, Willd. 1-flowered. 



30. Aiuarella. Cor. 5-cleft. Cal. with 5 

 nearly equal teeth. Stipe about one-third as 

 long as capsule. L. sessile, lanceolate, on a 

 broad base, acute, a. 8, 9. 3Ieadows and 

 pastures. Fl. much smaller than in Sp. 29, 

 and L. much narrower. 



31. obtusifolia. Cor. 5-cleft. Cal. with 

 5, lineari-lanceolate, nearly equal teeth. Stipe 

 of Caps, very short. L. sessile, oblong, ob- 

 tuse ; uppermost ovato - lanceolate, acute. — 

 Koch. a. 7, 8. High mountains. G. 



ii. Calyx ^-^-partite. Stem branched only 

 at base. Flower-stalks long, naked. 



32. tenella. Cor. 4-cleft, tubuloso-campa- 

 nulate, salver-like. Div. of Cal. 4, ovato-lan- 

 ceolate, equal. L. eUiptico-oblong, somewhat 

 acute, a. 8, 9. Snowy, s. Alps of Prov. 

 Pyr. Mont Cenis. Spliigen. 



33. nana. Cor. 4-5-cleft, tubuloso-cam- 

 panulate. Div. of Cal. 4-5, ovate, neai-ly 

 equal. L. obovate, very obtuse, a. 8, 9. 

 Snowy. Highest Alps of Salzb. and Carrnthia. 



D. Throat naked. Segments of Corolla 



fringed. 



34. ciliata. PI. terminal, blue. Cor. 4- 

 cleft. Stem flexuose. L. lineari-lanceolate. 

 a. 8, 9. Moist rough hills. Pr. G. Sw. It. 



554. ERYTHRiEA. 



] . Centauriuna. Stem erect, nearly sim- 

 ple. Pan. dichotomous, fastigiate. PI. in the 

 forks, nearly sessile. Cal. half tube of opening 

 flower. Lobes of Cor. oval, obtuse. L. ovali- 



