404 CONTEIBUTIONS FROM THE NATIONAL HERBAEIUM. 



1. Acalypha neomexicana Muell. Arg. Linnaea 34: 19. 1865. 



Type locality: New Mexico. Type collected by Wright (no. 1817). 



Range: Western Texas to Arizona and adjacent Mexico. 



New Mexico: West Fork of the Gila; Kingston; Mangas Springs; Organ Mountains; 

 White Mountains; Queen; Carlsbad. Upper Sonoran Zone. 



2 Acalypha lindheimeri Muell. Arg. Linnaea 34: 47. 1865. 



Type locality: Texas. 



Range: Western Texas to southern Arizona, south into Mexico. 



New Mexico: Santa Rita; Deer Creek; Mangas Springs; Kingston; San Luis 

 Mountains; Animas Valley; west of Hope; Guadalupe Mountains. 



13. TRAGIA L. 



Low herbaceous much-branched perennials with slender wiry stems armed with 

 stinging hairs; leaves simple, alternate, small, coarsely toothed, short-petiolate ; 

 flowers small, in small clusters near the ends of the stems, monoecious, apetalous; 

 stamens 3 or 5; sepals 3 to 5 in the staminate flowers, 5 in the pistillate flowers; fruit 

 a 3-celled 3-seeded capsule. 



key to the species. 



Stems appressed-pubescent; staminate calyx with 3 sepals; sta- 

 mens 3 1 . T. nepetaefolia. 



Stems hirsute; staminate calyx with 4 or 5 sepals; stamens 4 or 5. . 2. T. ramosa. 



1. Tragia nepetaefolia Cav. Icon. PI. 6: 37. j)l. 557./. 1. 1801. 

 Type locality: "Habitat inter Ixmiquilpan et Cimapan," Mexico. 

 Range: Kansas and Arizona, south into Mexico. 



New Mexico: Organ Mountains; White Mountains; south of Roswell. Dry hills 

 and plains, in the Upper Sonoran and Transition zones. 



2. Tragia ramosa Torr. Ann. Lye. N. Y. 2: 245. 1828. 

 Tragia stylaris Muell. Arg. Linnaea 34: 180. 1865. 



Type locality: "Sources of the Canadian ?," New Mexico ? 



Range: Colorado and Missouri to Arizona and Texas. 



New Mexico: Pecos; Raton; Sierra Grande; Albuquerque; Mangas Springs; 

 White W^ater; Tortugas Mountain; Organ Mountains; Socorro Mountain; Tularosa 

 Creek; Queen; mountains west of San Antonio. Dry hills, among rocks, in the Upper 

 Sonoran and Transition zones. 



14. STILLINGIA L. Queen's delight. 



Monoecious herbaceous perennials 30 to 60 cm. high, with several stems umbellately 

 branched above; leaves narrow, glabrous, shining, 3 to 8 cm. long, serrulate; spikes 

 terminal, bracteate; staminate flowers with a 2 or 3-lobed calyx and 2 or 3 exserted 

 stamens; capsule 2 or 3-celled, with a single large globose seed in each cell. 



KEY to the species. 



Leaves linear or nearly so; capsules less than 10 mm. wide 1. S. linearifolia. 



Leaves lanceolate to elliptic; capsules more than 10 mm. wide 2. S. smallii. 



1. StiUingia linearifolia (Torr.) Small, Fl. Southeast. U. S: 704. 1903. 



Sapium sylvaticum linearifolium Torr. U. S. & Mex. Bound. Bot. 201. 1859. 



StiUingia sylvatica linearifolia Muell. Arg. in DC. Prodr. 15-: 1158. 1866. 



Type locality: "Ravines on the San Pedro River and on limestone rocks higher up 

 on the Rio Grande," western Texas. • 



Range: Texas and southeastern New Mexico and adjacent Mexico. 



New Mexico: Sands south of Melrose (IFooion). Plains and low hills, fii the Upper 

 Sonoran Zone. 



