

UMBELLIFER^E. LXX. SESELI. 



309 



pinnate ; leaflets broad, cuneiform, forked : superior ones ob- 

 long, entire ; leaves of involucels very short, joined together at 

 the base; fruit villous. If.. H. Native of Eastern Caucasus, in 

 subalpine situations. Bubon cuneifblius, Spreng. syst. l.p. 900. 

 Wedge-leafleted Meadow-saxifrage. PI. 1 foot ? 



8 S. PEUCEDANIFOLIUM (Bess. enum. cont. p. 44.) stem terete, 

 sparingly branched at the apex, glaucous ; leaves triternate ; 

 leaflets linear-lanceolate, acuminated ; sheaths adpressed ; invo- 

 lucrum almost wanting ; leaves of involucel subulate, joined 

 together at the base ; flowers nearly sessile ; fruit velvety from 

 flocky short down. !.? H. Native of the south of Podolia. 

 Trev. in act. bonn. 13. p. 172. in a note. S. proliferum, Spreng. 

 in Schultes, syst. 6. p. 402. 1 Bubon peucedanifolius, Spreng. 

 syst. 1. p. 900. Involucrum sometimes of few leaves. 



Peucedanum-leaved Meadow-saxifrage. Fl. June, July. Clt. 

 1818. PI. 1 foot. 



9 S. LEUCOSPE'RMUM (Waldst. et Kit. pi. rar. hung. 1. p. 92. 

 t. 89.) stem terete, flexuous, branched at the apex ; leaves 

 glaucous, decompound ; leaflets setaceous, linear ; petioles di- 

 lated, and sheathing ; involucrum usually of one leaf; leaves 

 of involucels subulate, joined together at the base, and are 

 as well as the fruit puberulous. 3 . or $ . H. Native of 

 Pannonia, about Buda on chalky hills. Athamantha leucos- 

 perma, Poir. suppl. 1. p. 534. Very nearly allied to S. Hippo- 

 mdrathrum, but differs in the leaves of the involucel being 

 joined only at the base, not to the apex. Umbellules dense. 

 Fruit with elevated corky ribs and narrow furrows, ex Koch, 

 umb. p. 110. 



White-seeded Meadow-saxifrage, Fl. July. Clt. 1805. PI. 

 1| foot. 



SECT. III. EUSE'SELI (so called from containing what are con- 

 sidered the true species of the genus). D. C. prod. 4. p. 145.. 

 Seseli vera, Koch, umb. p. 110. Hippomarathrum, Duby, in 

 D. C. bot. gall. 1. p. 234. but not of Link, nor Rivin. Invo- 

 lucra wanting or of few leaves. Leaves of involucels distinct, or 

 sometimes somewhat concrete at the very base. 



* Flowers yellow. 



10 S. GRA'CILE (Waldst. et Kit. hung. 2. p. 122. 1. 117.) stem 

 terete ; leaves triternate ; leaflets triangularly seta'ceous, very 

 thin and rather flaccid ; rays of umbel elongated ; involucra 

 wanting or nearly so, very short. If. . H. Native of Pannonia 

 and Transylvania, on calcareous roks. Baumg. fl. trans, l.p. 

 238. Flowers yellow ; petals oval-oblong, incurved at the apex. 

 Caudex ascending. Flowering stems erect. Sheaths of leaves 

 entire. Fruit elliptic and smooth, like the rest of the plant. 

 Umbels opposite the leaves, drooping before expansion. 



Slender Meadow-saxifrage. Fl. June, July. Clt. 1805. PI. 

 1 to 2 feet. 



11 S. TRITERNA'TUM (Pursh, fl. amer. sept. 1. p. 197.) root 

 fusiform ; leaves sheathing a long way, ternate, biternate, or 

 triternate : leaflets or segments elongated, linear or linear-lan- 

 ceolate, quite entire, petiolulate ; stem leafy at the base ; um- 

 bels compound, with nearly equal rays ; umbellules capitate ; 

 flowers dioecious or polygamous ; immature fruit oblong, some- 

 what cylindrical ; mericarps with 5 elevated acute ribs : involu- 

 crum and involucels wanting, y.. H. Native of North Ame- 

 rica, about the Columbia river ; common on the dry gravelly 

 soils near Fort Vancouver. Hook. fl. bor. amer. 1. p. 264. t. 

 94. This has much the habit of S. leiocdrpum. Petals invo- 

 lute entire. Teeth of calyx obsolete. Flowers yellow. 



Triternate-\eaved Meadow-saxifrage. Fl. June, July. Clt. 

 1828. PI. 2 feet. 



12 S. DIVARICA^TUM (Pursh, fl. amer. sept. p. 732.) stem dicho- 

 tomous, leafy ; leaves petiolate, with short sheaths, bipinnate or 



tripinnatifid ; segments linear-oblong, acute, short ; peduncles 

 lateral and terminal ; rays of umbels equal ; leaves of invo- 

 lucels linear-subulate ; fruit roundish-ovate, crowned by the 

 calycine teeth ; mericarps rough, with 5 elevated ribs and many 

 vittae. i; . H. Native of North America, on the banks of the 

 Missouri ; and about Carlton House upon the Saskatchawan. 

 Sims, bot. mag. 1742. Nutt. gen. amer. 1. p. 194. S. lucidum, 

 Fras. cat. 1813. Marathrum, Rafin. journ. phys. 1820. Flowers 

 yellow. The vittae are numerous, and abound in powerfully 

 aromatic oil. 



Divaricate Meadow-saxifrage. Fl. June, July. Clt. 1812. 

 PI. 1 foot. 



13 S. LEIOCA'RPUM (Hook, in fl. bor. amer. 1. p. 263. t. 93.) 

 leaves with long sheaths, triternate or triternately pinnate ; leaf- 

 lets petiolate, oblong, entire, attenuated or trifid, glaucous; stem 

 nearly naked ; umbels compound, with the rays very unequal ; 

 umbellules capitate ; flowers dioecious or polygamous ; imma - 

 ture fruit very smooth ; involucra and involucels wanting. If. . 

 H. Native of the north-west coast of America ; on gravelly 

 soils near Fort Vancouver, on the Columbia. Flowers yellowish. 

 Styles reflexed. 



Smooth-fruited Meadow-saxifrage. PI. ^ foot. 



14 S. DEFOLIA'TUM (Led. fl. ross. alt. 1. p. 343.) radical 

 leaves early, caducous ; stem furnished with leafless sheaths ; 

 involucra and involucels of few leaves. If.. H. Native of Si- 

 beria, in the Kirghisean Steppe, in sandy wet salt situations. 

 Plant with the habit of Ferula salsa. Root perpendicular. Stems 

 solitary, simple at the base, divided into floriferous branches 

 from the middle, which are branched again. Flowers yellow, 

 polygamous. Carpels with 5 prominent equal filiform ribs ; 

 vittae one in each furrow, and 2 in the commissure. 



Defoliate Meadow-saxifrage. PI. 1 foot. 



* * Flowers white. 



15 S. ELA X TUM (Gouan, ill. 16. t. 8.) stem rather dichoto- 

 mous, terete, few-leaved ; leaves bipinnate : leaflets linear-fili- 

 form, stifflsh ; involucra almost wanting ; fruit ovate, tubercular 

 while young, but glabrous in the adult state, crowned by the 

 calyx. 7 . H. Native of the south of France, Italy, &c. in 

 open situations. Gmel. syst. p. 489. D. C. fl. fr. 3. p. 284. 

 Spreng. utnb. spec. 118. exclusive of the first and perhaps of the 

 second synonyme. S. elatum, Lin. spec. p. 375. is very probably 

 a distinct plant. Lob. icon. t. 727. f. 2. Plant glaucous. 



Var. j3, ligulate (D. C. prod. 4. p. 146.) superior cauline 

 leaves long-linear, quite entire. Native country unknown, but 

 is usually to be found in gardens, under the name of S. glaucum. 



Tall Meadow-saxifrage. Fl. July, Aug. Clt. 1710. PI. 1 

 to 2 feet. 



16 S. VA'RIUM (Trev. ind. sem. wratis. 1808. nov. act. bonn. 

 13. p. 168.) stem terete; branches few, erect; petioles fur- 

 rowed, as well as the leaves, which are tripinnate ; leaflets linear, 

 glabrous, glaucous ; involucrum almost wanting ; leaves of invo- 

 lucels short, subulate ; fruit oblong, glabrous, not crowned. If. . 

 H. Native of Caucasus and Austria. S. varium, Koch, umb. 

 p. 110. S. Tauricum, Link, in Spreng. syst. 1. p. 884. but not 

 of Koch. S. glaucum, Bieb. fl. taur. 1. p. 234. suppl. p. 241. 

 ex Trev. Differs from S. monttinum and S. Pallasii, in the fruit 

 not being crowned by the teeth of the calyx, 



Var. ft, brachycdrpum (Bess, in litt. 1828.) fruit shorter, y.. 

 H. S. chaerophylloides, Hortul. but not of Thunb. Perhaps a 

 proper species. 



Various Meadow-saxifrage. Fl. Ju. July. Clt. 1817. PI. 1 ft. 



17 S. JU'NCEUM (Sibth, et Smith, fl. graec. prod. 1. p. 200.) 

 stem much branched, divaricate, stiff", glabrous ; leaves rather 

 glaucous : radical ones triternate ; leaflets 'keeled, trifurcate ; 

 cauline petioles very short, spreading ; umbels solitary, few- 



