Buplcurum. • 
41 
ii. Mei'icai’pia laevia. 
a. luvoliicclli phylla vaUie inaequalia, cxleriora iriteriori- 
bus 2 — 5-plo majora. 
I. Folia omnia glauca vel viridi-glaucescentia, in sicco 
linna, caulina rameaque sensim deci'cscenlia, late 
ovata vel ovali-oblonga vel rarius (summa) ovato- 
orbicularia I. B. rotundifolium. 
II. Folia superiora laete flavida vel tantum flavido- 
viridia , papjraceo-tenuia , semipellucida , suborbi- 
cularia, ad apicem caulis ramorumque versus baud 
vel vix decreseentia, saepius majora 2. i?. croceuni. 
ß. Involucelli phylla ae([ualia vel vix inaequalia .... 3. B. pseudocroceum. 
b. Mericarpia ad valleculas et ad commissuram granulata 
vel tubereulata vel rugosa. 
a. Folia media superioraque suborbicularia vel ovato- 
rotundata, obtusissima. Fruclus oblongus, brunneus; 
mericarpia leviter granulata i. B. Heldrcichii. 
ß. Folia media supei'ioraque late vel anguste ovata, ad 
apicem versus manifeste angustata, obtusa vel zb 
longe acuminata, saepe acutissima. Fructus ovoideo- 
subglobosus, nigricans; mericarpia prominenter tuber- 
culata vel rugosa 5. J5. subovatum. 
B. Juga omnia late alata 6. B. loidiocarimm. 
Subsect. I. Laevia Briq. 
Laevia Briq. Monogr. Bupl. alp. mai'it. (1897) 59. — Mericarpia laevia. 
1. B. rotundifolium L. Spec. pl. ed. 1. (1753) 236 excl. ß.] Lam. Encycl. 
method. Bot. I. (1783) 51 7 ex pte. ; Sowerby, Engl. bot. II. (179 3) 1. 99; Sturm, 
Deutschi. Flora Abt. I. 2. Heft 5. (1798) t. V, f. 2; Lam. et ÜC. Fl. franf. ed. 3. IV. 
(1805) 343 ex pte. ; Spreng, in Roem. et Schult. Syst, veget. VI. (1 820) 364 excl. 
DG. Prodr. IV. (1830) 1 29; Koch, Syn. fl. germ. et helv. ed. 1. (1 837) 29 1; Bertol. 
Fl. ital. III. (1 837) 1 30; Öder, Fl. danica XLI. (1 844) t. 2408; Reichb. lil. Ic. fl. germ. 
et helv. XXI. (l 867) 1 9, t. 39 [t. 1 880] , f. II; Boiss. Fl. Orient. II. (1872) 836; 
Lange in Willk. et Lange, Prodr. fl. hisp. III. (1 874) 69; Caruel in Parlat. Fl. ital. Vlll. 
(1 889) 393 ; Schmalh. Fl. ssredn. i juzn. Ross. I. (l895) 389; Briq. Monogr. (1 879) 
59; Britt. et Brown, 111. Fl. N. U. St. and Canada II. (1 897) 529, fig. 2677; Rouy 
et Garn, in Rouy et Fouc. Fl. France VII. (190 1) 314; Krause in Sturm’s Fl. v. 
Deutschi. ed. 2. XII. (1904) 85, t. 14 (et sub nom. Selini pcrfoliati Krause). — 
B. perfoliatum Lam. Fl. frang. 111. (1778) 403 ex pte. — B. j)erfoliahim a. rohm- 
difolium (L.) Desv. in Journ. bot. II. (1 809) 31 5. — Diatropa rotundifolia Dumort. 
Florul. belg. (1 827) 76. — B. Wittmanni Stev. Verz. taur. Pfl. in Bull. Soc. nat. 
Moscou XXIX. 2. (1856) 342, forma radiis 6 — 10; an huc pertinensV (Gf. B. pseiido- 
croceum Wolflj. — Tenorea rotundifolia Bubani, Fl. pyr. 11. (1900) 360. ■ — • B. 
rotundifolium var. marginatum et B. marginatum Noe in sched. — Perfoliata 
Moris. Pl. umbell, distrib. (1 672) t. 8 (icon bona). — Herb. Willdenow n. 5626, 
1,2. — Radix perpendicularis , tenuis, llexuosa, plerumque ± elongata, librillis 
tenuissimis, paucis, divaricatis instructa. Gaulis erectus , elatus , 15 — 75 cm altus 
et ultra, supra basin usque 4 mm crassus, teres, striolatus, albicanti-nitidus vel [>ur- 
purascens, dense vel laxe foliosus, superne repetite furcato-i’amosus, ramis erecto-paten- 
tibus, subcorymbosis, rarius infra intlorescentiam terminalem ramis paucis, allernan- 
tibus, zh elongatis, ramulosis instructus, vel subsim[)lex. Folia glaucescentia, in vivo 
tenuiter carnosa, in sieco firma usque tenuiter coriacea, basalia et caulina inferiora 
dz manifeste petiolata vel sessilia, amplexicaulia , obovalo- vel oblongo-lanceolata vc 
