128 NORTH AMERICAN FLORA [VoLuME 21 
2. Froelichia Braunii Standley. 
Froelichia floridana Mogq. in DC. Prodr. 13?: 420, in part. 1849, 
Oplotheca texana A. Br. Ann. Sci. Nat. III. 12: 355. 1849. 
Froelichia texana A. Br.; Small, Fl. SE. U. S. 397. 1903. Not F. texana Coult. & Fisher, 1892. 
Slender, erect or ascending annual, branched at the base; stems simple or branched, 
pubescent with short appressed brownish hairs, somewhat viscid above, usually villous-tomen- 
tose near the base; petioles of the lower leaves often half as long as the blades, the upper leaves 
short-petiolate; leaf-blades linear to linear-elliptic or narrowly lanceolate, 2-12 cm. long, 
0.2-2.2 em. wide, acute to long-acuminate at the apex, acuminate or attenuate at the base, 
canescent to sericeous-tomentose beneath with brownish or grayish hairs; spikes dense, stout, 
0.5—2 em. long; bracts acute or acuminate, fuscous or stramineous; bractlets stramineous or 
fuscous; calyx-lobes lance-oblong, acute or acutish; calyx-tube with 2 lateral rows of distant 
spines at maturity, the sides of the tube each with 1 or more sharp spines; seed 1.5 mm. long, 
brown, shining. 
TYPE LOCALITY: Texas. 
Distrisution: Dry soil, Texas; adventive near St. Louis, Missouri. 
3. Froelichia floridana (Nutt.) Mog. in DC. Prodr. 13?: 420. 1849. 
Oplotheca floridana Nutt. Gen. 2: 79. 1818. 
Gomphrena floridana Spreng. Syst. 1: 824. 1825. 
Froelichia floridana pallescens Mog. in DC. Prodr. 13%: 421. 1849, 
Froelichia gracilis floridana Holz. Contr. U. S. Nat. Herb. 1: 197. 1892. 
Stout, erect or ascending annual; stems usually simple at the base, 3~18 dm. high, the 
branches puberulent or tomentulose with short, often viscid, whitish or yellowish hairs; leaves 
very shortly petiolate, the blades oblong-linear to narrowly lanceolate, 3-12 cm. long, 0.4-1.5 
cm. wide, acute or acuminate at both ends, scaberulous or canescent on the upper surface, 
sericeous beneath with usually yellowish hairs; spikes 1-7 cm. long, dense, stout; bracts strami- 
neous or fuscous, acuminate or cuspidate; bractlets stramineous or fuscous; calyx-lobes oblong, 
obtuse, greenish-white or pinkish; calyx-tube winged along the sides, the wings thick and firm, 
deeply dentate, the sides with 1 or 2 spiny or tuberculate ridges near the base; seed brown, 
1.5 mm. long. 
TYPE Locality: On the banks of the Altamaha River, Georgia. 
DISTRIBUTION: In sandy soil, southern Georgia and Florida to Mississippi; Delaware, perhaps 
adventive. 
ILLUSTRATIONS: W. Barton, Fl. N. Am. #1, 59; Bot. Mag. pl. 2603; Hook. Ic. pl. 256. 
4. Froelichia arizonica Thornber, sp. nov. 
Froelichia campestris Small, Fl. SE. U. S. 397, in part. 1903. 
Stout, erect or ascending perennial, from a thick woody root; stems usually several or 
numerous, simple or branched, 3-10 dm. high, sericeous-tomentose with usually white hairs; 
leaves usually crowded at the base, few on the stems, short-petiolate, the blades elliptic, obovate- 
oblong, oblong, or oval, the upper often narrowly oblong, 2-9 cm. long, 0.6-2.7 cm. wide, 
obtuse or acute at the apex, attenuate at the base, scaberulous or canescent on the upper 
surface, sericeous-tomentose beneath with white or grayish hairs; spikes stout, dense, 4 cm. 
long; bracts broadly ovate, acute or acuminate, usually fuscous; bractlets fuscous, rarely strami- 
neous; calyx-lobes narrowly oblong, obtuse or acutish; calyx-tube narrowly winged, the wings. 
dentate, often interrupted or very short, one or both sides of the tube with short thick crests, 
or merely tuberculate; seed 1.5 mm. long, brown. 
Type collected in Stone Cabin Canyon, Santa Rita Mountains, Arizona, in 1902, David Griffiths 
& J. J. Thornber 73 (U.S. Nat. Herb. no. 497162). 
DISTRIBUTION: Dry stony plains and hillsides, western Texas to southern Arizona, south to 
Coahuila and Nuevo Leén. 
5. Froelichia campestris Small, Fl. SE. U. S. 397. 1903. 
Froelichia floridana Uline & Bray, Bot. Gaz. 20: 338, in part. 1895. 
Stout erect annual; stems 3-12 dm, high, usually simple at the base, sparsely branched 
above. the branches sericeous-tomentose with white or brownish hairs, slightly viscid above; 
