214 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
RanaeE: Southern New Mexico and western Texas. 
New Mexico: Tortugas Mountain; Bishops Cap. Dry hills, in the Lower Sonoran 
Zone. 
2. Cladothrix lanuginosa Nutt.; Moq. in DC. Prodr. 13?: 360. 1849. 
Achyranthes lanuginosa Nutt. Trans. Amer. Phil. Soc. n. ser. 5: 166. 1837. 
Type Loca.ity: ‘On the sand beaches of Great Salt River, Arkansas.”’ 
Rance: Kansas and Texas to Arizona and Mexico. 
New Mexico: Common nearly throughout the State. Dry plains and _ fields, 
chiefly in the Lower Sonoran Zone. 
4, FROELICHIA Moench. 
Erect branching white-woolly plants, 30 to 100 cm. high, with opposite obovate, 
oblanceolate, or lanceolate leaves; flowers in terminal spikes; bracts of the inflorescence 
yellowish or blackish, glabrous; fruiting calyx variously winged and toothed, covered 
with long cottony hairs, 
KEY TO THE SPECIES, 
Calyx tube with a lateral crest of distinct spines at maturity, the 
faces tuberculate; plants low, slender, 20 to 50 cm. high. ..... L. F. gracilis. 
Calyx tube with lateral crests of toothed wings at maturity, the 
faces each with a spine at the base; plants taller, stout, 60 to 
120 em. high..... 2.2.2... eee eee eee eee eee weeeeeeeeee. 2. F. campestris. 
1. Froelichia gracilis Moq. in DC. Prodr. 137: 420. 1849. 
Typr Loca.ity: ‘‘In Texas,’’ 
RanGeE: Nebraska to Arizona and Texas. 
New Mexico: Las Vegas; Bear Mountain; Mangas Springs; Kingston; Organ Moun- 
tains; Nara Visa; Hanover Mountains. Dry hills, in the Lower and Upper Sonoran 
zones. 
2. Froelichia campestris Small, Fl. Southeast. U. 8S. 397. 1903. 
Tyre Locatity: Oklahoma. 
Ranae: Minnesota to Colorado, Arizona, and Texas. 
New Mexico: Hurrah Creek, Hillsboro; Santa Rita; San Luis Mountains; Tortugas 
Mountain; Organ Mountains. Dry hills, in the Lower and Upper Sonoran zones. 
5. GOMPHRENA IL. GLoBE AMARANTH. 
Erect or prostrate, annual or perennial herbs, hirsute or villous; leaves sessile or 
short-petioled, entire; flowers in large, often petioled leads, with white or pinkish 
bracts; flowers perfect, the calyx 5-parted or 5-cleft, often villous below. 
KEY TO THE SPECIES. 
Annual; heads subtended by leaves; plants tall, 20 to 50 em........ 1. G. nitida. 
Perennials; heads not subtended by leaves; plants low, cespitose, 
less than 10 cm. high. 
Plants densely pubescent, gray or whitish; peduncles short, 
scarcely if at all exceeding the nearly sessile cauline 
leaves... 0... eee eee ec eee eet ee ec cen eeeneces 2. G. caespitosa, 
Plants sparingly pubescent, green; peduncles long, much ex- 
ceeding the petiolate cauline leaves..................... 3. G. viridis. 
The common globe amaranth or bachelor’s button (Gomphrena globosa T..) is often 
planted for ornament in the State. It is a larger plant than any of our native species 
and has larger heads of crimson to white flowers. 
