UMBELLIFERA. XCVI. Peucepanum. 
ations, particularly on rocks. P. officinale, Ledeb. fl. alt. 1. p- 
304, Bieb. fl. taur. 1. p. 215. in a note, 2, p. 214. no. 538. 
Segments of leaves covered with copious pellucid dots. Invo- 
lucra for the most part of 3 leaves: of these 1 is lanceolate, 
the other lanceolate-linear, and the third filiform, 2 are caducous, 
and the third permanent. This species differs from P. officinale 
in the margins of the leaves being cartilaginously serrated, and 
in the fruit being smaller, &c. 
Var. B; leaves biternate; leaflets 5-6 inches long; rays of 
umbel and umbellules elongated and divaricated. 
Ledebour’s Sulphur-wort. Fl. June, July. Pl. 3 to 4 feet. 
4 P. zxa‘rum (Led. fl. ross. alt. ill. t. 305,) stem terete ; leaves 
glabrous, 3 or 4 times pinnate ; pinnulæ pinnate; Jeaflets pinna- 
tifid or cut or entire: lobes linear, acuminated, with smooth 
margins ; primordial umbel nearly sessile; involucrum wanting ; 
involucels short. %. H. Native of Altaia, every where in ex- 
posed places on the declivities of mountains. Primary and 
secondary ramifications of the Jeaves opposite, but the pinnule 
are alternate. Petals deep yellow: those of the male flowers 
ovate-oblong, attenuated: those of the hermaphrodite flowers 
obovate, all having inflexed points. Vittæ almost the length of 
the mericarps, 1 in each furrow, and 2 in the commissure. 
Tall Sulphur-wort. Fl. May, June. Pl. 5 feet. 
5 P, toncirorium (Waldst. et Kit. pl. rar. hung. 3. t. 251.) 
stem terete, branched a little; leaves 5 times tripartite ; leaflets 
triquetrously setaceous, channelled, elongated ; involucra want- 
ing or of one leaf; fruit with very narrow wings. XY. Na- 
tive of Hungary, on calcareous rocks. Schultes, syst. 6. p. 567. 
Host, fl. austr. 1. p. 366. Petioles of radical leaves terete. 
Flowers yellow. Fruit with 5 ribs, and 4 vittee on the back ; 
and the commissure with 2 vitte. 
Long-leaved Sulphur-wort. Fl. June, July. Clt. 1823. Pl. 
4 to 5 feet, 
6 P. Rurue’xicum (Bieb. fl. taur. and suppl. no. 539.) stem 
terete; leaves triternately divided : segments or leaflets acute, 
I-nerved, very long; involucra nearly wanting; pedicels length 
of fruit, Yy.. H. Native of Caucasus, Tauria, and the south of 
Russia, P. Tatricum, Spreng. umb. spec. p. 53. Férula 
Ruthénica, Spreng. umb. prod. 14. pug. 1. p. 27. This species 
Sg is NS palates in the leaves being less eee in the 
or le j i ing - 
Bil? kort, aflets being longer, and in the pedicels being one 
ar. B, Tatricum (Bieb. fl. taur. p. 540.) leaves 5 times tri- 
E e; segments or leaflets linear, acute, short. %. H. Na- 
ive of Tauria and Caucasus, in mountain meadows. 
Russian Sulphur-wort. Fl. May, June. Clt, 1818. 
4 feet. 
pa P. Morisonr (Bess. in Schultes, syst. 6. p. 567. in a note, ) 
Pes unknown ; leaves triternately divided : leaflets linear, acute, 
ties stiff, 3-5-nerved ; involucra wanting; involucels of many 
fòli ceous leaves. %.H. Native of Siberia. Ligústicum longi- 
i um, Willd. spec, J. p. 1428. Peucédanum, Mor. oxon. 3. 
ct. 9. t. T5. f. 1. Vittæ 2 in the commissure, but usually 4, 
€x Koch, umb. 93. 
ortson’s Sulphur-wort. P]. 3 to 4 feet. 
a, Brsseria‘num (D.C. prod. 4. p. 177.) stem terete, a 
Gie: ranched ; leaves triternate ; leaflets linear, nerved, divari- 
‘oh Involucrum nearly wanting ; involucels of a few very short 
An, 2%. H. Native on hills about Odessa. Férula Bes- 
= a, Spreng. in litt. Peucédanum species, Bess. in litt. 
aria and leaves nearly as in P. Parisiénse, but the flowers are 
ka. pn commissure is furnished with 4, not with 2 vitte. 
on a calyx short, not as in P. officinale subulate. Rays of 
ah a weatly equal. Fructiferous pedicels 3-6 lines long, not 
Bi officinale an inch long. 
esser’s Sulphur-wort. PI. 3 to 4 feet. 
ij Pl. 3 
331 
9 P. Arena‘rium (Waldst. et Kit. pl. rar. hung. 1. t. 20.) 
stem terete, striated, branched; leaves tripinnate ; leaflets linear, 
obtuse, stiffish, short ; involucra nearly wanting ; rays of umbel 
few, unequal; leaves of involucels linear-subulate. 4%. H. Na- 
tive of Hungary, in sandy places; and of Transylvania, in cal- 
careous places; and of the south of Podolia. Spreng. umb. 
spec. 51. Schultes, syst. 6. p. 568. Bess. cont. p. 43. Allied 
to Palimbia Chabræ'i. Vittæ one in each furrow, and 4 in the 
commissure, ex Koch, umb. 93. 
Sand Sulphur-wort. FI. June, July. Clt.1816. Pl. 2 to 3 ft. 
10 P. Sisr'r1cum (Willd. spec. 1. p.1406. Koch, umb, p. 98.) 
stems terete, almost without leaves; cauline sheaths large, prui- 
nosely glaucous ; radical leaves on long petioles, triply pinnate, 
stiff, shining ; leaflets linear, cuspidate, with serrulated margins ; 
involucrum almost wanting; central umbel sessile: lateral ones 
pedunculate. 2. H. Native of Croatia, Bessarabia, Caucasus, 
and Siberia. Férula Tatarica, Fisch. in litt. Spreng. umb. prod. 
14. exclusive of the synonymes. Bieb. suppl. p. 219. Férula 
Sibirica, Spreng. in Schultes, syst. 6. p. 592. Vittæ 1 in each 
furrow, but sometimes 2 in the lateral furrows, and always 4 in 
the commissure ; lateral vittæ usually incomplete, and sometimes 
wanting in the same specimen. Habit and flowers like P. are- 
narium. The plant from Croatia is probably different from that 
of Siberia. 
Siberian Sulphur-wort. Fl. June, July. Clt. 1804. Pl. 3 
to 4 feet. 
11 P. pisse’crum (Led. fl. ross. alt. ill. t. 181. fi. alt. 1. p. 
306.) stem terete, leafy; superior branches in whorles ; sheaths 
spreading; leaves pubescent, 4 times pinnate; pinnulz oppo- 
site, petiolate, pinnate; leaflets pinnatifid or entire: segments 
oblong, rather bifid; primordial umbels nearly sessile; involu- 
cra and involucels very minute. 2/. H. Native of Altaia, on 
hills at the river Talowka, near Buchtorminsk. Involucrum of 
one or few minute setaceous leaves. Petals golden yellow, ovate, 
acute, inflexed. Ribs of fruit filiform. Vitte 1 in each fur- 
row, and 2 in the commissure. 
Dissected-leaved Sulphur-wort. FI. June. PI. 4 feet. 
12 P. canescens (Led. fi. ross. alt. ill. t. 105. fl. alt. 1. p. 
307.) stem terete, leafy; intermediate branches opposite and 
tern; sheaths closely adpressed ; leaves clothed with hoary pu- 
bescence, 3 times pinnate ; pinnulæ opposite, petiolate, pinnate ; 
lower segments pinnatifid: upper ones confluent : lobes broad- 
ovate, tridentate or entire, acute; involucrum wanting or of one 
leaf; involucels of many short leaves. %.H. Native of Al- 
taia, on rocks on Mount Arkaul, Leaves of involucels many, 
lanceolate, acute, with a yellow keel, and white margins. 
Flowers deep yellow. Petals ovate, acuminated, inflexed. Fruit 
not seen. 
Canescent Sulphur-wort. Fl. May, June. Pl. 1 to 2 feet. 
13 P. era‘crze (Ledeb. fl. ross. alt. ill. t. 306. fl. alt. 1. p. 
308.) stem leafless, branched ; branches scattered ; radical leaves 
clothed with hoary pubescence, but at length becoming glabrous, 
bipinnate ; pinnulz opposite, pinnate; leaflets nearly opposite, 
rather trifid; sheaths leafless, stem-clasping, chartaceous, per- 
manent. %. H. Native of Altaia, in dry saltish open places 
in the Kirghisean-steppe, between Buchtorminsk and the lake 
called Noor-Saisan. Root thick. Involucra and involucels 
wanting, or of one or two leaves, which are formed from the 
pedicels becoming abortive and leaf-like. Flowers polygamous, 
those in the terminal umbels hermaphrodite and fertile; and 
those in the lateral umbels male. Vittz 1 in each furrow, and 
4 in the commissure. Petals golden yellow, obovate, acute, in- 
flexed. Habit of a species of Férula, and probably the same 
as Férula pumila, Pall. ex Schultes, syst. 6. p. 598. 
Var. B, microcérpum (D. C. prod. 4. p. 309.) seed one-half 
smaller than in the species. 
uu 2 
