Buplburum. \\\ 



** Folia caulibus inferne subprocumbentibus 50 — 

 60 cm longis duplo breviora et ultra; in- 

 volucelli phylla flores vix superantia; stirps 



hispanica 51. B. Bourgaei. 



II. Involucelli phylla 7 — 9; planta usque 75 cm alta: 



species turkestanica 52. B. thianschanicwn. 



ß. Species Americae borealis subarcticae et pacificae; 



mericarpia sec' autores vittis usque 25 perfossa . . 53. B. americanum. 

 b. Involucelli phylla usque 1 2 , saepe biseriata et zb con- 

 nata, rarissime tantum 4; stylopodium atro-violaceum 

 fructu juvenili manifeste latius; valleculae plerumque 3- 

 vittatae. 

 er. Involucellum 5 — 1 2-phyllum. 



I. Folia superiora saepe basi zb cordata. Involucri 



phylla plura; involucelli phylla 5 — 12, anguste lan- 



ceolata usque ovato-orbicularia, acuminata vel ob- 



tusa; species polymorpha Asiae centralis . . . . 54. B. Jongicmdc. 



II. Involucrum subnullum; involucelli phylla abrupte 



mucronata; species tibetanica orientalis . . . . 55. B. cmnmelynoideum . 

 III. Involucri phylla 2 — 3; involucelli phylla 5, basi zb 

 cuneata, apice longe caudato-acuminata ; species 



chinensis 56. B. ynmianense. 



ß. Involucelli phylla 4 ; species turkestanica 57. B. gulczense. 



Ser. I. Scaposa Wolff. 



Caudex valde incrassatus, reliquiis ibliorum emortuorum recurvatis dense obsitus; 

 caulis zb scapiformis. 



46. B. petraeum L. Spec. pl. ed. 1. (1753) 23 6; Vill. Hist. pl. Dauph. II. (4 787) 

 576, t. XIV.; Jacq. Ic. pl. rar. 1. (1781 — 86) 6, t. 56; Wulf, in Jacq. Collect, ad 

 bot. I. (1786) 209; Spreng, in Roem. et Schult. Syst. veg. VI. (1820) 368; Godr. 

 in Gren. et Godr. Fl. France I. (1848) 720; Wulf. Fl. noric. (posthum.) (1858) 344; 

 Reichb. f. Ic. fl. germ. et helv. XXI. (1867) 20, t. 4 2 [t. 18 83], f. I. 2 — 6; Timb.- 

 Lagr. in Mem. Acad. Toulouse 8. ser. IV. 1. sem. (1882) 132; Briq. Monogr. (1897) 

 70; Burnat, Fl. alp. marit. IV. (1906) 107. — B. gr amini folium Vahl, Symb. bot. III. 

 (1794) 48; Spreng. 1. c.; DC. Prodr. IV. (1830) 130; Reichb. Icon. bot. IX. (1831) 

 30, t. 820, f. 1106; Koch, Syn. fl. germ. et helv. ed. 1. (1837) 290; Bertol. Fl. ital. 

 III. (1837) 134; Caruel in Pari. Fl. ital. VIII. (1889) 397; Rouy et Gam. in Rouy et 

 Fouc. Fl. France VII. (190J) 321, 413. — B. denticulatum Bell, in litt. — B. birahj- 

 culatum Bell. Stirp. nov. ped. in Mem. Acad. Turin XII. (an XII.) (1803 — 4) 448, t. 

 2. (sec. Burnat), lusus involucello biseriato. — B. graminifolium ß. bicalyculatum (Bell.) 

 DG. 1. c. 131, idem. — Sedo petroio eon foglia di Bupleoro Pona, Mte. Baldo (1595) 

 246 et fig. — Herb. Willd. n. 5630; 5635, 1. 2. — Laete viride, usque 50 cm altum, 

 raro humile; radix sublignosa, crassa. Caules saepius plures, late fistulosi. Folia 

 (basalia) numerosa, rosulata, zb linearia, inferne parum angustata, basi valde dila- 

 tata zb amplexicaulia , ad apicem zb longe acuminata, acuta, usque 3 cm longa, 

 3 — 5 mm lata, inferne 9 — 11-, superne 3-5-nervia, nervis parallelis, lateralibus quam 

 medius multo tenuioribus, n. aliis singulis tenuibus intermixtis, omnibus zb conspicue 

 venoso-anastomosantibus; fulcrantia (si adsunt) e basi semiamplexicauli lineari- vel 

 ovato-lanceolata, zb longe acuminata, nervis ca. 11 — 15 palmatim dispositis joxia 

 marginem eleganter recticulato-venosis. Radii 5 — 15, crassiusculi,^inaequales, usque 

 10 cm longi; involucri phylla 3 — 5, linearia vel lanceolata, obtusa vel acuminata, usque 

 9-nervia. Involucelli phylla 5 — 10, interdum biserialia, libera vel rarissime nonnulla 

 zb (usque ad medium) connata, leviter colorata, quoad formam magnitudinemque valde 



