UMBELLIFERAE. 
Y. 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. Pl. 1 foot? 
44 E. payreu'ma (Laroch. eryng. p. 51. t.21.) cauline leaves 
few, petiolate, linear-lanceolate, unarmed, crenated; crenæ mu- 
cronate ; stem nearly simple, bearing 2 heads of flowers; heads 
oblong, crowned by exserted foliaceous palez ; leaves of invo- 
lucrum 3-10, linear, deflexed. 2. F. Native of Mexico, in 
meadows, near the town of Tolucco. H. B. et Kunth, nov. gen. 
5. p. 30. Heads of flowers white. 
Phyteuma-like Eryngo. Pl. 1 to 14 foot. 
45 E. era‘citx (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 ; paleze subulate, entire, longer than the calyxes. Y. 
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 
an amethyst blue colour. Leaves of involucrum smooth and 
yellow above, but green beneath. , 
Weak Eryngo. Fl. July, Aug. Clt. 1824. Pl. 1 foot. 
46 E. Bonrta’np1 (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 
paleæ lanceolate; paleze scarcely exceeding the calyxes, of equal 
size and shape. %.G. Native of Mexico, in’ shady woods. 
Tratt. arch. t. 754. E. Bonplandiànum, H. B. et Kunth, nov. 
gen. amer. p. 31. Tube of calyx tubercular. 
Bonpland’s Eryngo. Pl. 1 to 14 foot. 
47 E. Nupicav're (Lam. dict. 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 ; paleæ subulate. %.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 Linnea. 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. l.c. The teeth of the leaves are sometimes entire and not 
again ciliated, and this brings the species very near E. serratum. 
Naked-stemmed Eryngo. PI. 4 foot. 
48 E. srrra‘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 ; palez entire, subulate, exceeding the flowers 
alittle. 34y. 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 Æ. serrdtum, Link, enum. 1. 
P. 260. but the leaves are not doubly serrated as described by 
im, but acutely crenated. Heads of flowers blue ? 
Serrate-leaved Eryngo. Fl. Jul. Aug. Clt. 1800. Pl. 1 to 2 ft. 
49 E. carLi Næ (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 ; 
pale subulate, simple. 2%. 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. 
— 5. p. 32. Leaves of involucrum yellow above. Flowers 
ue, 
Var. a, eréctum (D.C. prod. 4. p. 94.) stem erect, solitary ; 
leaves of involucrum ovate, twice the length of the head of 
1 
XXXI. Eryneium. 271 
flowers. Ņ.G. Laroch. eryng. l. c. with a figure. Tratt. 
arch. t. 358. 
Var. (3, dectimbens (D. C. 1. c.) stem simple, diffuse ; leaves 
of involucrum equal in length to the head of flowers, which is 
oblong. Y.G. 
Carlina-\ike Eryngo. Pl. 1 foot. 
50 E. normrinorpes (D. C. prod. 4. p. 94.) leaves glabrous : 
radical ones unknown : cauline ones ending ina 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; palew forming a tuft at the top 
of the head of flowers. 4%. G. Native about the town of 
Mexico. Allied to Æ. carlin, but differs in the heads of flowers 
being oval and tufted at the apex. 
Horminum-like Eryngo. Pl. 1 foot. 
51 E. criia‘rum (Cham. et Schlecht. in Linnea, 2. p. 249.) 
radical leaves obovate-lanceolate, pectinately serrated: teeth 
stiff, bristly ; stem naked, bearing 1-3 heads: heads elliptic, 
echinated from the palez, which are subulately acuminated and 
smooth, and exceed the flowers; leaves of involucrum similar to 
the palee. Y%.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. r’tecans (Cham. et Schlecht. in Linnea. 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 ; palez tricuspidate, a little longer than the flowers, 
smooth, Y%.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. Pl. 1 foot. 
53 E. xu‘pum (Gill. et Hook. in bot. misc. 1. p. 334.) stem 
tall, panicled ; leaves linear-subulate, channelled, spiny-ciliated : 
spines 2-3 together ; heads of flowers globose. Y%.G. Native 
about Buenos Ayres, in the plains called the Pampas. Stem 
4-5 feet. Allied to Æ. ebracteatum, Lam. 
Naked Eryngo. Pl. 4 to 5 feet. 
54 E. pivarica tum (Hook. et Arn. in bot. mise. 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. Y. F. 
Native of Buenos Ayres. 
Divaricate Eryngo. PI. 1 foot. 
55 E. se’rra (Cham. et Schlecht. in Linnea. 2. p. 246.) 
leaves ensiform, spiny-serrated, ciliated ; stem panicled, bearing 
many heads ; heads ovate, echinated ; leaves of involucrum and 
outer paleæ lanceolate, subulately acuminated, spiny-toothed, 
smooth : inner paleæ entire, a little smaller than the outer ones. 
4%. F. Native of Brazil, in the province of Cisplatine, and 
near Monte Video. Radical leaves half a foot long. Heads 
unguicular, of one colour. 
Saw-leaved Eryngo. Pl. 1 foot. 
56 E. uncina‘tum (Cham. et Schlecht. in Linnea. 2. p. 247.) 
leaves lanceolate, serrated ; serratures ending in recurved spines, 
ciliated ; stem bearing few heads; heads globose, echinated ; 
paleze scabrous, tricuspidate ; leaves of involucrum spinosely 
pinnatifid. X4. G. Native of the south of Brazil. 
Hcoked-spined Eryngo. PI. 1 foot. 
57 E. rrortsu'Npum (Cham. et Schlecht. in Linnea. 1. p. 
245.) leaves ensiform, spiny-serrated, ciliated ; stem panicled, 
bearing many heads ; heads echinated by scabrous, subulatel 
mucronulated pales ; leaves of involucrum ovate, acuminated, 
