UMBELLIFER^E. XXXI. ERYNGIUM. 



273 



68 E. ANGUSTIFOLICM (D. C. prod. 4. p. 95.) radical leaves 

 linear, with parallel nerves, lobately serrated : serratures dis- 

 tant ; cauline leaves few, opposite ; heads of flowers short ; 

 scales of involucrum and palese very long, linear-subulate, very 

 acute. 3f . G. Native of New Holland. Stem terete, a foot 

 high, striated, twice trifid, erect. Leaves of involucrum and 

 palese half an inch long, much longer than the flowers. 



Narrow-leaved Eryngo. PI. 1 foot. 



69 E. CANALICULA'TUM (Cham, et Schlecht. in Linnaea. 2. p. 

 238.) leaves very narrow, channelled, with parallel nerves, shin- 

 ing, spiny ciliated ; spines often accessory ; stem panicled, bear- 

 ing many heads : heads nearly unarmed, globose ; leaves of in- 

 volucrum connate at the base, smooth, hardly larger than the 

 palese. 2f. G. Native of the interior regions of Brazil. Habit 

 of E. pristis. Radical leaves 2 lines broad. Spines 7-8 in the 

 space of an inch. 



Channelled-leaved Eryngo. PI. 1 foot. 



70 E. PRI'STIS (Cham, et Schlecht. in Linnaea. 2. p. 237.) 

 leaves with parallel nerves, very narrow, flat, striated, spiny- 

 ciliated, often with accessory spines ; stem panicled, bearing 



<^rany heads : heads globose, echinated from subulate-spinescent 

 bjjacteas ; leaves of involucrum ovate, acuminated, scabrous, 

 twice the length of the calyxes, hardly different from the paleae. 

 If . G. Native of Brazil, in the province of Rio Grande. Stem 

 4 feet high and more, solid. Radical leaves tufted, a foot and a 

 half long. 



Grampus Eryngo. PI. 4 feet. 



71 E. PANDANIFOLIUM (Cham, et Schlecht. in Linnaea. 2. p. 

 236.) leaves with parallel nerves, linear, obsoletely and remotely 

 spiny-toothed : stem panicled, bearing many heads : heads dis- 

 posed in umbels, egg-shaped, unarmed ; leaves of involucrum 

 ovate, acuminated, smooth, hardly different from the paleae, 

 which are rather longer than the calyxes. If. . F. Native of 

 Brazil, in the province of Cisplatine. Heads semi-unguicular, 

 coloured. Radical leaves 18 lines long, broad at the base. 



Screw-pine-leaved Eryngo. PI. 2 to 3 feet. 



72 E. PETIOLA'TUM (Hook, fl. bor. amer. 1. p. 259.) leaves 

 with parallel nerves, lanceolate, tapering into long petioles, 

 remotely spiny-ciliated ; upper leaves narrow, sessile ; leaves of 

 involucrum and palese subulate, spiny-ciliated, stiff, twice the 



; length of the flowers. If. . H. Native of north-west Ame- 

 rica, in moist soils on the plains of the Multnomak river. 

 Petioles 4-6 inches long. Heads echinated. 

 Petiolate-leaved Eryngo. PI. 2 feet? 



73 E. PANICULA'TUM (Laroch. eryng. p. 59. t. 26.) leaves with 

 parallel nerves, linear, spiny-ciliated : floral ones very short ; 

 stem nearly naked, bearing at the apex umbellate branches ; 

 branches bearing 1-3 heads; leaves of involucrum 9-10, lanceo- 

 late, and are as well as the palese entire. 2f . G. 



Var. a, Chilense (D. C. prod. 4. p. 96.) leaves of involucrum 

 hardly different from the paleae ; leaves all spiny-ciliated. Ti . 

 G. Native of Chili. E. paniculatum, Cav. Domb. Laroch. 1. c. 

 E. aquaticum, Cav. icon. 6. p. 17. 



Var. ft, oligodon (D. C. 1. c.) leaves of involucrum hardly 

 different from the paleae ; lower leaves entire, or scarcely cili- 

 ated on the edges. l/.G. Native of Brazil. E. paniculatum, 

 var. a, Cham, et Schlecht. in Linnaea. 2. p. 234. 



Var. y, bracteosum (D. C. 1. c.) leaves of involucrum elon- 

 gated and reflexed. If. . G. Native of Brazil, in the province 

 of Cisplatine. Cham, et Schlecht. 1. c. 

 Panicled-fiowered Eryngo. PL 1 foot. 



74 E. CYMOSUM (Laroch. eryng. p. 63. t. 31.) leaves with 

 . parallel nerves : lower ones linear, channelled, bearing very 



long, conjugate, subulate teeth ; upper leaves pinnatifid ; floral 

 branches umbellate ; leaves of involucrum 8-10, linear, quite 

 entire, at length reflexed, longer than the head of flowers, which 



VOL. III. 



is round ; paleae subulate, a little longer than the calyxes. I/ . F. 

 Native of Mexico, in the higher plains near Tasco. Tratt. arch, 

 t. 361. H. B. et Kunth, nov.gen. 5. p. 35. 

 Cymose-headed Eryngo. PI. 2 feet. 



75 E. LUZUL^EFOUUM (Cham, et Schlecht. in Linnaea. 2. p. 

 240.) leaves with parallel nerves, linear, denticulated ; lower 

 teeth setiferous : upper ones obsoletely spinulose ; stem bearing 

 few heads : heads unarmed, globose ; leaves of involucrum 

 ovate, acute, roughish, hardly different from the paleae. If. G. 

 Native of the south of Brazil. Leaves 2-3 lines broad. Heads 

 pale straw-coloured, as also the rest of the plant. 



Luzula-leaved Eryngo. PI. 1 foot. 



76 E. GRAMI'NEUM (Laroch. eryng. 60. t. 27.) leaves with 

 parallel nerves, narrow-linear, remotely spiny-ciliated ; stem 

 bearing only 2 heads ; leaves of involucrum 8-9, lanceolate- 

 subulate, nearly entire, spreading, a little shorter than the head 

 of flowers, which is ovate ; paleae subulate, a very little longer 

 than the flowers. If . F. Native of Mexico, in shady woods 

 near Santa Rosa. H. B. et Kunth, nov. gen. amer. 5. p. 34. 

 Tratt. arch. t. 761. Stem simple, 2 feet high. Heads of flowers 

 of an amethyst colour. 



Grassy-leaved Eryngo. PI. 2 feet. 



77 E. BROMELLEFOLIUM (Laroch. eryng. p. 60. t. 28.) leaves 

 with parallel nerves : bearing large subulate teeth, which are 

 shorter than the breadth of the leaves ; radical leaves very long, 

 broadly lanceolate-linear : floral ones opposite, keeled, arched ; 

 leaves of involucrum 10, lanceolate, acuminated, few-toothed, 

 exceeding the head of flowers, which is round ; paleae entire, 

 twice the length of the calyxes. If. . F. Native of Mexico, in 

 humid woods. Tratt. arch. t. 357. H. B. et Kunth, nov. gen. 

 amer. 5. p. 34. Flowers white? 



Pine-apple-leaved Eryngo. PI. 3 to 4 feet. 



78 E. PECTINA'TUM (Presl, in herb. Haenk. ex D. C. prod. 

 4. p. 96.) leaves with parallel nerves, bearing twin, subulate 

 teeth, 1 in each pair, very short, and the other longer than the 

 breadth of the leaves ; radical leaves long, lanceolate-linear : 

 floral ones opposite; leaves of involucrum 10, lanceolate, acu- 

 minated, coarsely spiny-toothed at the base. If. . F. Native of 

 Mexico. E. Deppeanum, Schlecht. et Cham, in Linnaea. 5. p. 

 207. Very like E. bromelicefolivm, but differs in the leaves being 

 much narrower, tranches of stem bearing either 1 or 3 heads. 



Pectinate-leaved Eryngo. PI. 2 to 3 feet. 



79 E. HUMBOLDTII (Laroch. eryng. p. 61. t. 29.) leaves witli 

 parallel nerves, lanceolate- linear, closely spiny-toothed : spinules 

 in pairs ; stem branched above ; heads of flowers oblong, con- 

 glomerate ; leaves of involucrum 7-8, lanceolate, toothed, usually 

 shorter than the head of flowers ; outer paleae toothed : inner 

 ones entire. If . G. Native of New Granada, on Mount Quindiu. 

 Tratt. arch. t. 762. E. Humboldtianum, H. B. et Kunth, nov. 

 gen. amer. 5. p. 34. 



Humboldfs Eryngo. PI. 2 to 3 feet. 



80 E. FROTEjEFLORUM (Laroch. eryng. p. 62. t. 30.) leaves 

 with parallel nerves ; cauline leaves densely crowded, rather 

 imbricated, lanceolate, coarsely spiny-toothed ; heads of flowers 

 large, oblong ; leaves of involucrum 20-22, large, toothed, lan- 

 ceolate, exceeding the head of flowers ; paleae entire. If . F. 

 Native of Mexico, at the foot of the burning Mount Jorullo, 

 and on Mount Orizaba. Tratt. arch. t. 773. H. B. et Kunth, 

 nov. gen. amer. 5. p. 35. Leaves of involucrum smooth and 

 yellow above. 



Protea-flomered Eryngo. PI. 2 to 3 feet. 



81 E. MONOCE'PHALUM (Cav. ann. 2. p. 116. icon. t. 553.) 

 lower leaves with parallel nerves, linear, channelled, bearing 

 unequal, ternate, subulate teeth ; upper leaves pinnatifid ; stem 

 bearing only 1 head of flowers ; leaves of involucrum 20-24, 

 lanceolate, furnished each with 1-2 spreading spines, exceeding 



Nn 



