BLAKE—REVISION OF ACANTHOSPERMUM. 387 
t 
deltoid-ovate, acute to obtuse, mucronulate, gradually cuneate below the middle 
into a sessile base (those of the pairs united), serrulate or doubly repand-serrate to 
subentire, rather sparsely hispid-pilose on both sides, gland-dotted and slightly paler 
green beneath; heads solitary in the axils and forks of the stem, in anthesis 4 to 5 mm. 
wide, in fruit 13 to 18 mm.; peduncles 3 to 15 mm. long; outer phyllaries 5, ovate or 
narrowly elliptic-ovate, acutish, hispid-pilose mainly on the margin, 3.5 to 4 mm. 
long; ray flowers 5 to 8, their corollas pale yellow, elliptic, tridenticulate at the 
slightly spreading apex, sparsely hispid-pilose, half longer than the style, 1.5 mm. long; 
disk corollas about 7, shortly hispid-pilose, 1.7 mm. long; pales stipitate-glandular 
on back, lacerate-ciliate at the subtruncate apex, 2 mm. long; fruit cuneate, strongly 
compressed, gland-dotted, rather densely uncinate-hispid all over the body, 4to5 mm. 
long, the two terminal straightish or curved, strongly divergent prickles 3 to 4 mm. 
long; sterile ovaries stipitate-glandular. 
Typr LocaLity: “In Brasiliae sabulosis maritimis circa Bahiam.’’ Type collected 
by Salzmann. 
Innustrations: Engl. & Prantl, Pflanzenfam. 4°: f. 108, M; Proc. Amer. Acad. 
38: pl. 1, f. 4. 
SPECIMENS EXAMINED: 
New Jersey: Ballast grounds, Camden, 1879, Martindale (N). 
Gzorata: Waste places and roadsides, Darien, 1903, Harper 1999 (N). 
Froriwa: Ballast ground, Pensacola, 1880, Mohr (N); in 1899, Curtiss 6501 (N). 
ALABAMA: Ballast ground, Mobile, 1893, Mohr (N). 
Satvapor: Without definite locality, Velasco (J. D. Smith, no. 8884; N); Renson 
183 (N). 
Honpuras: San Pedro Sula, Santa Barbara, altitude 200 meters, 1889, Thieme 
(J. D. Smith, no. 5296; N). 
Nicaracua: Roadsides, Grenada, 1869, Lévy 228 (K). 
CuteBrita: Waste places, Culebrita, 1906, Britton & Wheeler 280 (N). 
St. Tuomas: In 1880, Eggers 3 (K). 
Sr. Joun: Roadside, Bethania to Rosenberg, 1913, Britton & Shafer 252 (N). 
Tortota: Rocky hill, Road Town to Sea Cow Bay, 1913, Britton & Shafer 
672 (N). 
Vircin Gorpa: Roadside near Valley, 1913, Britton & Fishlock 1099 (N). 
Sr. Crorx: Bassin pasture, 1895, Ricksecker 20 (N). 
Montserrat: Richmond, 1907, Shafer 127 (N). 
GuApELoure: Lowlands, Galisbi, 1904, Duss 4203 (N). 
Tosaao: Roadside, Bethesda, 1909, Broadway 3141 (B). 
Cotomsra: Anapoima, Magdalena, altitude 000 meters, Triana 1332 (B, K). 
El Overo, Cauca, 1853, Holton 358 (K). Without definite locality, Linden 
1378 (B, K). 
VENEZUELA: Weed, near Caracas, Ernst (Moritz, no, 1500; B). Tovar, 1856-57, 
Fendler 1969 (K). 
Peru: Lima, Cuming 987 (K). Callao, Wilkes Expedition (G, N). 
Boutvia: Bolivian Plateau, 1891, Bang 1137 (N). Guanai to Tipuani, 1892, 
Bang 1445 (N). Province of Larecaja, Mandon 31 (B, K, G).. Dry sunny 
field, Tarija, 1902, R. E. Fries 1056 (N). Corral, Velasco, altitude 200 meters, 
1892, Kuntze (N). Open grassy pampas, Carrapari, May, 1864, Pearce (B). 
Braziu: Waste ground in village, Fernando do Noronha, 1887, Ridley, Lea & 
Ramage 105 (B, K). Pernambuco, 1887, Ridley, Lea & Ramage (B). Macino, 
Province of Alagoas, 1838, Gardner 1345 (B, K). Oeiras, Province of Piauhy, 
1839, Gardner (B). Province of Bahia, Salzmann 21 (K); Gardner 869 (B); 
Glocker (B, K). Arrayas, Province of Goyaz, 1840, Gardner 3842 (B, K.), 
Cuyac4, Province of Matto Grosso, 1893, Malme 1266 (B). Province of 
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