214 CONTEIBUTTONS FROM THE NATIONAL HERBARIUM. 



Range: 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. IS^: 360. 1849. 



Achyranthes lanuginosa Nutt. Trans. Amer. Phil. Soc. n. ser. 5: 166. 1837. 



Type locality: "On the sand beaches of Great Salt River, Arkansas." 



Range: 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. liigh, 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. liigh 1. F. gracilis. 



Calyx tube with lateral crests of toothed wings at maturity, tlie 

 faces each with a spine at the base; plants taller, stout, 60 to 

 120 cm. high 2. F. campestris. 



1. FroeHchia gracilis Moq. in DC. Prodr. 13^: 420. 1849. 

 Type locality: "In Texas." 



Range: 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. S. 397. 1903. 

 Type locality: Oklahoma. 



Range: 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 L. Globe amaranth. 



Erect or prostrate, annual or perennial herbs, hirsute or villous; leaves sessile or 

 short-petioled, entire; flowers in large, often petioled heads, 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 cm 1. G. nitida. 



Perennial.s; heads not subtended by leaves; plants low, cespitose, 

 less than 10 cm. high. 

 Plants densely pubescent, gray or whitish; peduncles short, 

 scarc3ly if at all exceeding the nearly sessile cauline 



leaves 2. G. caespitosa. 



Plants sparingly pubescent, green; peduncles long, much ex- 

 ceeding the petiolate cauline leaves 3. (?. viridis. 



The common globe amaranth or bachelor's button (Gomphrena glohosa L.) 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. 



