UMBELLIFERiE. XXXI. ERYNGIUM. 



271 



I/ . G. Native of Santa Fe de Bogota. Tratt. arch. t. 777. 

 H. B. et Kunth, nov. gen. amer. 5. p. 33. Leaves of involu- 

 crum smooth, yellow above. 

 Stellate Eryngo. PI. 1 foot ? 



44 E. PHYTEU^MA (Laroch. eryng. p. 51. t. 21.) cauline leaves 

 few, petiolate, linear-lanceolate, unarmed, crenated ; crenae mu- 

 cronate ; stem nearly simple, bearing 2 heads of flowers ; heads 

 oblong, crowned by exserted foliaceous paleae ; leaves of invo- 

 lucrum 3-10, linear, deflexed. I/ . F. Native of Mexico, in 

 meadows, near the town of Tolucco. H. B. et Kunth, nov. gen. 

 5. p. 30. Heads of flowers white. 



PAytewwa-like Eryngo. PI. 1 to 1 J foot. 



45 E. GRA'CILE (Laroch. eryng. p. 54. t. 24. but not of Nutt.) 

 radical leaves petiolate, elliptic, very blunt at the base, crenated; 

 stem nearly naked, few-flowered ; leaves of involucrum 8, linear- 

 lanceolate, pungent, a little toothed, twice the length of the head 

 of flowers ; paleae subulate, entire, longer than the calyxes. 1. 

 F. Native of Mexico, in humid places. H. B. et Kunth, nov. 

 gen. amer. 5. p. 33. Plant a foot high. Heads of flowers of 

 mAmethyst blue colour. Leaves of involucrum smooth and 

 yellow above, but green beneath. 



Weak Eryngo. Fl. July, Aug. Clt. 1824. PI. 1 foot. 



46 E. BONPLA'NDI (Laroch. eryng. p. 52. t. 22.) radical 

 leaves petiolate, ovate-oblong, crenated ; stem nearly naked, 1- 

 3-flowered ; leaves of involucrum 8, and are as well as the 

 paleae lanceolate ; paleae scarcely exceeding the calyxes, of equal 

 size and shape. 1 . G. Native of Mexico, in shady woods. 

 Tratt. arch. t. 754. E. Bonplandianum, H. B. et Kunth, nov. 

 gen. amer. p. 31. Tube of calyx tubercular. 



Bonpland's Eryngo. PI. 1 to 1^ foot. 



47 E. NUDICAU'LE (Lam. diet. 4. p. 759. t. 187. f. 2.) radical 

 leaves obovate, coarsely spiny-toothed : teeth ciliated ; stem 

 dichotomous, nearly naked, bearing few heads; leaves of invo- 

 lucrum lanceolate, spinose, equal in length to the head of flowers, 

 which is roundish ; paleae subulate. "If. . H. Native of Monte 

 Video ; and of Chili, in the province of San Louis, on the tops 

 of the mountains called Cerro del Morro, at the elevation of 

 4500 feet. Laroch. eryng. p. 51. Tratt. arch. t. 769. Cham, 

 et Schlecht. in Linnasa. 1. p. 251. There are varieties of this 

 species with bracteas all entire ; or the outer ones are spiny- 

 toothed, and the rest entire ; or all spiny-toothed ex Cham, et 

 Schlecht. 1. c. The teeth of the leaves are sometimes entire and not 

 again ciliated, and this brings the species very near E. serralum. 



Naked-stemmed Eryngo. PL J foot. 



48 E. SERRA'TUM (Cav. ann. 2. p. 132. icon. 6. t. 554.) 

 radical leaves petiolate, lanceolate, profoundly serrated ; stem 

 nearly naked, and almost simple, few-flowered ; leaves of invo- 

 lucrum 8-10, subulate, spreading, length of the head of flowers, 

 which is globose ; paleae entire, subulate, exceeding the flowers 

 a little. If.. G. Native of Mexico. Laroch. eryng. p. 55. 

 Tratt. arch. t. 776. Calyx covered with white scales. Stem a 

 foot high. Perhaps the same as E. serralum, Link, enum. 1. 

 p. 260. but the leaves are not doubly serrated as described by 

 him, but acutely crenated. Heads of flowers blue ? 



Serrate-leaved Eryngo. Fl. Jul. Aug. Clt. 1800. PI. 1 to 2 ft. 



49 E. CARLI V N.E (Laroch. eryng. p. 53. t. 23.) radical leaves 

 lanceolate, deeply spiny serrated, acute ; cauline leaves palma- 

 tifid : lobes deeply serrated ; stem branched, bearing few heads ; 

 leaves of involucrum 7-9, ovate-lanceolate, deeply serrated ; 

 paleae subulate, simple. Tf.. G. Native on the mountains about 

 the town of Mexico, and between Joya and Las Vigas, near 

 Perote, and on Mount Orizaba. H. B. et Kunth, nov. gen. 

 amer. 5. p. 32. Leaves of involucrum yellow above. Flowers 

 blue. 



Var. a, erectum (D. C. prod. 4. p. 94.) stem erect, solitary ; 

 leaves of involucrum ovate, twice the length of the head of 

 1 



flowers. I/ . G. Laroch. eryng. I.e. with a figure. Tratt. 

 arch. t. 358. 



Far. /3, decumbens (D. C. 1. c.) stem simple, diffuse ; leaves 

 of involucrum equal in length to the head of flowers, which is 

 oblong. ~lf. . G. 



Carlina-like Eryngo. PI. 1 foot. 



50 E. HORMINOI'DES (D. C. prod. 4. p. 94.) leaves glabrous : 

 radical ones unknown : cauline ones ending in a spine-like point: 

 uppermost ones opposite ; stem branched, bearing many heads ; 

 leaves of involucrum 10-12, oblong-lanceolate, spiny-serrated 

 at the apex, white inside ; paleae forming a tuft at the top 

 of the head of flowers. 1. G. Native about the town of 

 Mexico. Allied to E. carllnce, but differs in the heads of flowers 

 being oval and tufted at the apex. 



Horminum-like Eryngo. PI. 1 foot. 



51 E. CILIA'TUM (Cham, et Schlecht. in Linnaea. 2. p. 249.) 

 radical leaves obovate-lanceolate, pectinately serrated : teeth 

 stiff, bristly ; stem naked, bearing 1-3 heads : heads elliptic, 

 echinated from the paleae, which are subulately acuminated and 

 smooth, and exceed the flowers ; leaves of involucrum similar to 

 the paleae. T(. . G. Native of Brazil, in the provinces of Cis- 

 platine and Rio Grande, in fields. Heads coloured, 8-9 lines long. 



Ciliated-leaved Eryngo. PI. 1 foot. 



52 E. E'LEGANS (Cham, et Schlecht. in Linnaea. 2. p. 248.) 

 leaves linear-lanceolate, spiny-serrated, ciliated, tricuspidate at 

 the apex ; stem bearing many heads ; heads globose, echinated; 

 leaves of involucrum 10, lanceolate, spiny-toothed, tricuspidate 

 at the apex ; paleae tricuspidate, a little longer than the flowers, 

 smooth, if.. G. Native of Brazil, in the provinces of Monte 

 Video and Rio Grande do Sul. Root nearly globose, size of a 

 filbert. Leaves 10 inches long, and 9 lines broad. Heads of 

 flowers small, of one colour. 



Elegant Eryngo. PI. 1 foot. 



53 E. NU'DUM (Gill, et Hook, in hot. misc. 1. p. 334.) stem 

 tall, panicled ; leaves linear-subulate, channelled, spiny-ciliated : 

 spines 2-3 together ; heads of flowers globose. If.. G. Native 

 about Buenos Ayres, in the plains called the Pampas. Stem 

 4-5 feet. Allied to E. ebracteatum, Lam. 



Naked Eryngo. PI. 4 to 5 fee.t. 



54 E. DIVARICA'TUM (Hook, et Arn. inbot. misc. 3. p. 350.) 

 stems prostrate, dichotomously divaricate, leafy, rigid ; lower 

 leaves bipinnatifid : cauline leaves pinnatifid : segments linear, 

 spinescent, divaricate ; peduncles short, axillary, and in the 

 forks of the stem ; leaves of involucrum subulate, reflexed, 4 

 times shorter than the head of flowers, which is elliptic. 1 . F. 

 Native of Buenos Ayres. 



Divaricate Eryngo. PI. 1 foot. 



55 E. SE'RRA (Cham, et Schlecht. in Linnaea. 2. p. 246.) 

 leaves ensiform, spiny-serrated, ciliated ; stem panicled, bearing 

 many heads ; heads ovate, echinated ; leaves of involucrum and 

 outer paleae lanceolate, subulately acuminated, spiny-toothed, 

 smooth : inner paleae entire, a little smaller than the outer ones. 

 If. . F. Native of Brazil, in the province of Cisplatine, and 

 near Monte Video. Radical leaves half a foot long. Heads 

 unguicular, of one colour. 



/Sa?y-leaved Eryngo. PI. 1 foot. 



56 E. UNCINA'TUM (Cham, et Schlecht. in Linnaea. 2. p. 247.) 

 leaves lanceolate, serrated ; serratures ending in recurved spines, 

 ciliated ; stem bearing few heads ; heads globose, echinated ; 

 paleae scabrous, tricuspidate ; leaves of involucrum spinosely 

 pinnatifid. If. . G. Native of the south of Brazil. 



Hcoked-sp'med Eryngo. PI. 1 foot. 



57 E. FLORIBU'NDUM (Cham, et Schlecht. in Linnaea. 1. p. 

 245.) leaves ensiform, spiny-serrated, ciliated ; stem panicled, 

 bearing many heads ; heads echinated by scabrous, suhulately 

 mucronulated paleae ; leaves of involucrum ovate, acuminated, 



