UMBELLIFER^l. XXXI. ERYNGIUM. 



2G9 



Alpine Eryngo. Fl. July, Aug. Clt. 1597. PI. 1| to 2 ft. 



20 E. PLA'NUM (Math. comm. p. 505. with a figure. Lin. 

 spec. p. 337.) lower leaves on long petioles, oval, cordate at the 

 base, crenated, flat : middle cauline leaves sessile, undivided : 

 superior ones 5-parted, serrated ; leaves of involucrum 6-7, 

 lanceolate, remotely spiny-serrated, spreading, about equal in 

 length to the head of flowers, which is round ; palese among the 

 flowers entire, but the lower or outer ones are tricuspidate. 

 If.. H. Native of Austria, Russia, Siberia, Transylvania, Gali- 

 cia, Caucasus, Mauritania, Provence, &c. in meadows. Jacq. 

 aust. t. 391. Tratt. arch. t. 214. Laroch. eryng. p. 40. Upper 

 pat of the stem, leaves of involucrum, and heads of flowers 

 blue ; there is, however, a variety equally .common in the gar- 

 dens with white flowers. Herb green. 



Flat-leaved Eryngo. Fl. July, Aug. Clt. 1596. PI. 2 ft. 



21 E. TRI'QUETRUM (Vahl. symb. 2. p. 46.) radical leaves 

 petiolate, cordate, 3-lobed ; lobes deeply spiny-toothed ; cauline 

 leaves 3-5-parted, palmate ; peduncles triquetrous ; leaves of 

 involucrum 3-4, lanceolate, pungent, keeled, entire, exceeding 

 the head of flowers, which is round ; paleae among the flowers 

 entire. "H. . H. Native of Tunis and Sicily in fields and on 

 hills. Desf. atl. 1. p. 225. t. 54. Laroch. eryng. p. 43. Tratt. 

 arch. 77!). Zan. ist. t. 74. and therefore E. Zanonii, Lam. diet. 

 4. p. 754. E. Crelicum, Jan. ex Guss. prod. fl. sic. 1. add. 

 p. 7. Heads of flowers blue. 



Triquetrous-pedunded Eryngo. Fl. Jul. Aug. Clt. 1824. PI. 1 ft. 



22 E. FALCA'TUM (Laroch. eryng. p. 40. t. 1 3.) radical leaves 

 on long petioles, cordate, unequally spiny-serrated ; cauline 

 leaves sessile, palmately parted : lobes lanceolate, spreading, 

 spiny-serrated ; leaves of involucrum 5-8, lanceolate, furnished 

 with 1-2 teeth on each side, twice the length of the head of 

 flowers; outer paleae tricuspidate : middle ones entire, If.. H. 

 Native on Mount Lebanon. Tratt. arch. t. 363. E. dichoto- 

 mum /3, Schultes, syst. 6. p. 321. The plant is easily distin- 

 guished from E. dic/iotomum by the form of the radical leaves. 

 Heads of flowers blue ? 



Falcate Eryngo. PI. 1 to 2 feet. 



23 E. DICHOTOMUM (Desf. atl. 1. p. 226. t. 55.) radical leaves 

 petiolate, oblong, cordate at the base, toothed ; cauline leaves 

 palmately parted, spreading : lobes spiny-toothed ; leaves of invo- 

 lucrum lanceolate, furnished with a few spiny teeth, much longer 

 than the head of flowers, which is globose ; outer palese tricus- 

 pidate, the rest entire. If. . H. Native of Asia Minor, Cau- 

 casus, Mount Lebanon, Candia, Mauritania, Sicily, and about 

 Montpelier, in exposed places. Upper part of stems, leaves of 

 involucrum, and heads of flowers blue. 



Far. a ; stem tall, flexuous, much branched. Desf. 1. c. 

 Tratt. arch. t. 362. E. cceruleum, Bieb. fl. taur. 1. p. 200. 

 Mor. ox. sect. 7. t. 37. f. 13. and therefore E. Syriacum, Lam. 

 diet. 4. p. 759. 



Var. ft ; stems dwarf; flowers crowded at the neck of the 

 plant. Laroch. eryng. p. 40. t. 14. 



Dichotomous Eryngo. Fl. Jul. Aug. Clt. 1820. PI. 1 to 2 ft. 



24 E. DIFFUSUM (Torr. rock, mount, no. 177.) leaves all 

 digitately palmate ; segments oblong, deeply serrated, spinose ; 

 stem dichotomously branched, diffuse ; heads of flowers glo- 

 bose ; leaves of involucrum 4-6, trifid, deeply serrated, longer 

 than the head of flowers ; ovaries scaly. 0. H. Native of 

 North America, on the banks of the Canadian river. Perhaps 

 this species will form a proper section. 



Diffuse Eryngo. PI. 1 foot. 



* * * Limbs of radical leaves oblong-obovate, or oval, never 

 cordate at the base. 



25 E. PUSI'LLUM (Lin. spec. p. 337.) radical leaves lanceolate, 

 entire, toothed or pinnatifid, attenuated at the base, petiolate : 



cauline leaves palmately parted, sessile ; heads of flowers ses- 

 sile ; leaves of involucrum subulate, longer than the head of 

 flowers, furnished with an appendage, or tooth at the base ; 

 palese among the flowers, entire. If.. H. Native of Spain, 

 Portugal, Mauritania, Sicily, Sardinia, &c. Laroch. eryng. p. 

 44. Tratt. arch. t. 212. Barrel, icon. t. 1247. Heads of 

 flowers greenish. This species is nearly allied to E. dichoto- 

 mum, but differs from it in the radical leaves being attenuated at 

 the base, never in any way cordate. 



Var. ft, odoratum (D. C. prod. 4. p. 91.) stem small, decum- 

 bent ; heads few-flowered. Laroch. 1. c. E. odoratum /3, Lam. 

 diet. 4. p. 756. 



Var. y, galiotdes (D. C. 1. c.) stem erectish ; lower leaves 

 somewhat pinnatifid, small ; heads few-flowered. Laroch. 1. c. 

 E. galioides, Lam. diet. 4. p. 757. 



Var. S, paludbsum (D. C. 1. c.) stem nearly erect ; lower leaves 

 pinnatifid, large; heads few-flowered. Laroch. 1. c. t. 16. E. 

 odoratum a, Lam. 1. c. 



Small Eryngo. Fl. June, Aug. Clt. 1640. PI. % to 1 foot. 



26 E. TERNA'TUM (Poir. suppl. 4. p. 295.) radical leaves un- 

 divided, linear, spiny-toothed ; cauline leaves tripartite ; leaves 

 of involucrum lanceolate, cuspidate. !(. . H. Native of Candia, 

 on hills in rugged places. Tausch. hort. canal, with a figure 

 and description. E. Tournefortianum, Sternb. syll. pi. nov. 17. 

 p. 32. ex Tausch. E. trifolium, P. Alp. exot. 152. with a 

 figure. Mor. ox. 3. sect. 7. t. 36. f. 24. Laroch. eryng. p. 65. 

 Heads of flowers blue ? 



Ternafe-leaved Eryngo. Clt. ? PI. 1 foot. 



27 E. TRIPARTITUM (Desf. cat. hort. par. 1828.) radical 

 leaves glabrous, petiolate, trifid ; leaves obovate-oblong, cune- 

 ated at the base, coarsely serrated : serratures distant, ending 

 in spiny points ; stem much branched ; cauline leaves nearly 

 sessile, 3-5-parted : lobes lanceolate, coarsely serrated ; leaves 

 of involucrum twice the length of the head of flowers, which is 

 ovate-globose ; outer palese tricuspidate : inner ones undivided. 

 If. . H. Native country unknown. 



Tripartite-leaved Eryngo. PI. 1 foot. 



28 E. AQUIFOLIUM (Cav. ann. sc. nat. 3. p. 32.) radical leaves 

 obovate-oblong, nearly sessile, attenuated at the base, coarsely 

 ciliated or spiny-toothed from the base ; cauline leaves somewhat 

 stem-clasping, broadest at the base ; leaves of involucrum 8, ovate- 

 lanceolate, spiny-toothed, longer than the head of flowers, which 

 is roundish ; paleae ending in 3 or 5 points. Tf. . H. Native of 

 Spain. Laroch. eryng. p. 34. t. 10. Tratt. arch. t. 753. E. 

 maritimum /3, Pers. ench. p. 299. exclusive of the syn. of Fl. 

 dan. Heads of flowers blue. The plant cultivated under this 

 name has the lower leaves much longer and narrower at the base 

 than those in the figure cited. Plant glaucous. 



Holly-leaved Eryngo. Fl. Jul. Aug. Clt. 1815. PI. 1 ft. 



29 E. CORNICULA'TUM (Lam. diet. 4. p. 758.) radical leaves 

 oblong-lanceolate, spiny-toothed ; petioles fistular, septiferous ; 

 cauline leaves stem-clasping, trifid ; leaves of involucrum 5, 

 linear-subulate, quite entire, pungent ; paleaa among the flowers, 

 entire : ultimate ones drawn out each into a long horn at the 

 apex. I/. H. Native of Portugal and Spain, in boggy places. 

 Brot. fl. lus. 1. p. 416. Laroch. eryng. p. 42. t. 15. Tratt. 

 arch. t. 756. Sims, bot. mag. 1427. E. cornCitum, Bonn, 

 hort. cant. ed. 4. E. suaveolens, Brouss. ined. E. odoratum, 

 Hort. par. E. paludbsum, Hort. madr. Heads of flowers 

 whitish, sweet-scented. Plant glaucous. The leaves of the 

 involucrum when the plant grows in dry places, about equal in 

 length to the head of flowers. Horns sometimes on 2-3 of the 

 paleae, which are usually joined together. 



Horned Eryngo. Fl. Jul. Aug. Clt. 1803. PI. 1 foot. 



30 E. TRICUSPIDA'TUM (Lin. spec. p. 337.? Desf. atl. 1. p 

 224.) radical and lower cauline leaves on long petioles, orbicular, 



