206 NORTH AMERICAN FLORA [VoLuME 21 
the apex, densely glandular-puberulent or glandular-pilose, 5-sulcate, the angles and sulci 
smooth. 
Type Locality: Jamaica. 
Distrisution: Peninsular Florida; adventive on ballast in eastern North Caroling;, Bahamas 
and throughout the West Indies; Costa Rica; Preis in the warmer parts of South America and Africa. 
ILLUSTRATION: Mart. Fl. Bras. 142: pl. 8 
2. Boerhaavia caribaea Jacq. Obs. Bot. 4: 5. 1771. 
Boerhaavia polymorpha Rich. Act. Soc. Hist. nee Par. 1: 185. 1792. 
Boerhaavia hirsuta Willd. Phytog.1: 1. 1794 
Boerhaavia viscosa Lag. & Rodr. Anal. Ci. Nat. 4: 256. 1801. 
Boerhaavia squamata Raf. Aut. Bot. 40. 1840. 
Boerhaavia glandulosa Anderss. Sv. Vet.-Akad. Handl. 1853: aot 1854. 
Boerhaavia Sonorae Rose, Contr. U. S. Nat. Herb. 1: 110. 1891 
Boerhaavia diffusa hirsuta Kuntze, Rev. Gen, 533. 1891. 
Boerhaavia diffusa viscosa Heimerl, Beitr. Syst. Nyct. 27. 1897, 
Boerhaavia viscosa oligadena Heimerl, Ann. Cons. Jard. Genéve 5: 189. 1901. 
Boerhaavia ramulosa M. E. Jones, Contr. West. Bot. 10: 40. 1902. 
Boerhaavia viscosa apiculata Standley, Contr. U. S. Nat. Herb. 12: 383. 1909. 
Boerhaavia ixodes Standley, Contr. U.S. Nat. Herb. 13: 423. 1911. 
Perennial, from a thick woody root; stems usually numerous, 3-15 dm. long, decumbent 
to prostrate, sparsely branched below, the branches stout, green or brownish, below viscid- 
puberulent and often also sparsely or densely hirsute, above densely glandular-puberulent 
or often merely puberulent and slightly viscid; petioles slender or stout, 0.3-4 cm. long; leaf-- 
blades suborbicular, ovate-orbicular, broadly oval, oval-oblong, oblong, or rarely ovate- 
oblong, 1.5—5.5 cm. long, 0.8-5 cm. wide, truncate to rounded at the base, broadly rounded 
to obtuse or sometimes acute or attenuate at the apex, often apiculate, entire or conspicuously 
sinuate, rather thin or rarely coriaceous, bright-green above, pale beneath, sometimes brown- 
punctate, glabrous, puberulent, sparsely villous beneath, or often densely hirsute or hirtellous 
throughout and viscid; inflorescence of ample naked, terminal or axillary cymes, or sometimes 
of axillary long-pedunculate heads, the cymes much branched, the branches slender, puberulent 
or densely glandular-puberulent, the flowers subsessile or short-pedicellate, in few- or many- 
flowered heads borne on slender peduncles 0.3-3.5 cm. long; bracts minute, lanceolate, viscid- 
puberulent, persistent or deciduous; perianth purplish-red, 2 mm. broad, puberulent or glandu- 
lar-puberulent outside; stamens 1-3, short-exserted; fruit narrowly obovoid, 2.5-3 mm. long, 
densely glandular-puberulent, 5-sulcate, the angles and sulci smooth. 
TYPE LOCALITY: West Indies. 
DistRmvuTtion: Peninsular Florida; southern and western Texas to southern California, south- 
ward throughout Mexico and Central America; throughout the West Indies; also widely distributed 
in northern and western South America, 
ILLUSTRATIONS: Jacq. Fragm. Bot. $l. 47, f. 2; Jacq. Hort. Vindob. 1: pl. 3, f. 7; Jacq. Obs. 
Bot. pl. 84. 
3. Boerhaavia Hitchcockii Standley, sp. nov. 
? Boerhaavia anisophylla micrantha Heimerl, Ann. Cons. Jard. Genéve 5: 187. 1901. 
Boerhaavia gracillima Standley, Contr. U.S. Nat. Herb. 13: 420, in part. 1911. Not B. gracillima 
Heimer], 1889. 
Perennial; stems prostrate or procumbent, up to 2 meters long, much branched, the 
branches stout, glandular-hirsute below and minutely puberulent, minutely puberulent above; 
petioles stout, 0.5-2 em. long; leaf-blades ovate-orbicular, broadly oval, or broadly deltoid- 
ovate, rarely ovate-oblong, 1.5-3.2 cm. long, 0.8-2.5 em. wide, subcordate or rounded at the 
base, rounded and apiculate to obtuse or rarely acute at the apex, subsinuate, thick and 
firm, green above, glaucous or glaucescent beneath, hirtellous or sparsely glandular-pilose, 
glabrate in age; inflorescence a much branched, broad, naked, terminal cyme, the branches 
slender or filiform, ascending or divergent, glabrous, the numerous flowers solitary on filiform 
pedicels 5-10 mm. long, the bracts minute, lanceolate, deciduous or subpersistent, purplish; 
perianth purplish-red, 5-6 mm. broad, viscid-puberulent; stamens 3; fruit narrowly obovoid, 
rounded at the apex, 3 mm. long, densely glandular-puberulent, 5-angulate, the angles rounded, 
smooth, the sulci smooth. 
Type collected at Tehuacdn, Puebla, Mexico, August 9, 1910, A. S. Hitchcock (U.S. Nat. Herb. 
no. 618514). . : 
DIsTRIBUTION: Vicinity of the type locality. 
