Part 2, 1917] AMARANTHACEAE 101 
1. Chamissoa altissima (Jacq.) H. B. K. Nov. Gen. & Sp. 2: 197. 
1817. 
Celosia paniculata L. Sp. Pl. ed. 2.298. 1762. Not C. paniculata lL. 1753. 
Achyranthes altissima Jacq. Enum. Pl. Carib. 17. 1762. 
Celosia sparsa Forsyth; Mog. in DC. Prodr. 132: 250, as synonym. 1849. 
Achyranthes baccata Pav.; Moq. in DC. Prodr. 13?: 250, assynonym. 1849. 
Chamissoa altissima laxiflora Moq. in DC. Prodr. 13?: 251. 1849. 
Chamissoa altissima densiflora Moq. in DC. Prodr. 13?: 251. 1849. 
Chamissoa Martii Moq. in DC. Prodr. 132: 252. 1849, 
Kokera paniculata Kuntze, Rev. Gen. Pl. 542. 1891. 
Stems stout, suffrutescent at the base, 6-20 dm. long or more, divaricately branched, 
usually climbing over trees or shrubs, sometimes erect, smooth or sulcate, green, glabrous or 
sparsely pilose; petioles slender, 1-3.5 cm. long; leaf-blades 6-18 cm. long, 2~8.5 cm. wide, ovate, 
ovate-oblong, lanceolate, or oval, abruptly acuminate or acute -at the apex, acute to truncate 
at the base, glabrous, or sparsely pilose beneath, bright-green; flowers in large terminal and 
axillary, naked or leafy panicles composed of numerous stout or slender, densely or loosely 
flowered spikes 2-20 cm. long and 0.6-2 cm. thick, the sterile spikes more slender and less 
densely flowered than the fertile ones, the rachises of the inflorescence commonly pubescent; 
flowers greenish-white; bracts thin, about half as long as the sepals, ovate or broadly ovate, 
mucronate; sepals 3-4 mm. long, oval to oblong or ovate, acute or acuminate, sometimes 
mucronate, firm in age, carinate, prominently and coarsely nerved; style shorter than the 
elongate stigmas; utricle globose or oblong-ovoid, equaling or slightly exceeding the sepals, 
margined and usually depressed at the apex, circumscissile at or below the middle; aril bival- 
vate, enclosing the seed; seed flat, 2-2.5 mm. in diameter, black and lustrous, punctulate. 
Type LOCALITY: Jamaica. 
Distrispution: In thickets, subtropical Florida (?); southern and western Mexico and through- 
out Central America; West Indies; also from Colombia to Peru and Brazil. 
ILLUSTRATIONS: Sloane, Hist. Jam. pl. 91, f. 2; H. B. K. Nov. Gen. & Sp. pl. 125. 
2. Chamissoa Maximiliani Mart.; Mog. in DC. Prodr. 13?: 251. 
1849. 
Stems stout, herbaceous or suffruticose, erect or subscandent, 6-10 dm. long, sulcate, 
sparsely villous above; petioles slender, 0.5-3 cm. long, usually sparsely villous; leaf-blades 
3.5-8 cm. long, 1-2.5 cm. wide, narrowly ovate, ovate, or ovate-oblong, acuminate at the apex, 
acute or rounded at the base, yellowish-green, puberulent along the nerves, the margins often 
repand-denticulate; flowers in dense, erect, axillary and terminal spikes 2-6 cm. long and 
6-10 mm. thick; bracts lanceolate to ovate, half as long as the sepals, 1-nerved, acuminate to 
the mucronate apex; sepals 3 mm. long, narrowly oblong, acuminate, pungent, carinate, coarsely 
nerved: style elongate, exceeding the stigmas; utricle shorter than sepals, depressed and 
margined at the apex; aril minute, transverse, linear; seed foveolate-punctulate, black, 1.5 
mum. in diameter. 
Type LocaLity: Brazil. 
DisTRIBUTION: Costa Rica; also from Surinam to Brazil. . 
In_ustRations: Mart. Fl. Bras. 51: pl. 74, f. 1; E. & P. Nat. Pil. 3%: f. 54 (as-C. acuminata). 
DOUBTFUL SPECIES 
Cuamissoa macrocarpa H. B. K. Nov. Gen. & Sp. 2: 197. 1817. Described from 
Colombia. Several times reported from Mexico, but the specimens so named are probably 
all C. altissima. 
5. AMARANTHUS L. Sp. Pl. 989. 1753. 
Bliton Adans. Fam. P1. 2: 506. 1763. 
Bajan Adans. Fam. Pl. 2: 506. 1763. ; . 
Roemeria Moench, Meth. 341. 1794. Not Roemeria Medic. 1792. 
Glomeraria oe Peon a oe 
Dimeiandra Raf. Neogen. 2. ¢ ; 
Susopus Schrad. Ind” Sem. Hort. Gott. 1835; Linnaea 11: Litt.-ber. 89. 1837. 
