124 Plants Collected in Paraguay. 



EryngiuiU coronatum, H. and A. in Hook. Bot. Misc., iii, 350. 



Between Paragua and Luque (852). December. = Balansa 1079 a. 



Stem smooth, striate, 2-3^ dm. high. Leaves mostly radical, 

 5-10 cm. long, 1-lJ cm. wide, with numerous spine-tipped lobes, 

 which are 4-15 mm. long and sometimes 2 mm. wide. Stem leaves 

 under the branches similar but smaller. Involucral bracts 2 or 3, 

 linear, spine-tipped, entire or sparsely spine-dentate. Heads cylin- 

 drical, 1-2 cm. long. Dry soil, open grounds. 



Sryngiiim elegans, C. and S., Linnsea, i, 348. 



Between Villa Bica and Escoba(419); Grran Chaco near Asun- 

 cion (576). January. = Balansa 1084. 



Stem striate, glabrous, 2^-8 dm. high. Radical leaves numerous, 

 oblanceolate, 7-25 cm. long, 1-2 cm. broad at the apex, beset with 

 numerous sharp spiny teeth 4 or 5 mm. long. Involucral bracts 

 5-7 mm. long, with many spiny teeth. Heads globose, or globose- 

 ovate, 5-6 mm. in diameter, in lax spreading corymbs 5-10 cm. 

 broad and 12-15 cm. long. This corresponds very well with var. 

 microcephalum., Urban, as given in Mart. Fl. Bras., xi, pt. 1, p. 11. 



Eryngium paniculatlim, Cav. in Delaroch Eryng., 59, t. 26. 



Gran Chaco (436). January; Asuncion (840). October. 



A stout, glabrous striate-stemmed plant, 1-2 m. high. Leaves 

 5-6 dm. long, 3^-4 cm. wide at the base, lanceolate, tapering into a 

 long acuminate point, free from marginal spines on the sheathing 

 part for 8-10 cm. Inflorescence very broad and lax, 2-3 forked, 

 10-30 cm. long and nearly or quite as wide. Heads oval, 8-15 mm. 

 long, 7-10 mm. in diameter. Particularly distinguished by its 

 broad forking panicle, and its long lanceolate radical leaves. 



Sryngium multicapitatum, Morong, n. sp. 



Stems 1^3 m. high, fistulose, 7-8 mm. thick below, elevated striate, dark 

 colored when dry. Radical leaves parallel-nerved, 3^-4 dm. long, 4-4^ cm. 

 broad below, diminishing gradually to 2| cm., oblong-lanceolate, shortly acu- 

 minate, the margins beset with single strong, upwardly-curved, fuscous spines 

 2-5 mm. long. Stem leaves under the peduncles very numerous, amplexicaul 

 over the entire base, the lower 7 or 10 cm. long, diminishing to bracts 1| cm. 

 long, strongly parallel-nerved, spine-pointed, sparsely spiny-dentate, the teeth 

 often double and canaliculate above, or the lower half of the leaf nude, turn- 

 ing white when dry. Inflorescence racemose, 30-40 cm. long ; peduncles very 

 numerous, 2 or 3 cm. apart, striate, often compressed or even ancipital, 4r-l 

 cm. long ; corymbs 3-rayed, or the rays sometimes again forked and 1^-3 cm. 



