918 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Fruit 10-ribbed; leaves thick 
and leathery, mostly 
basal; perianth funnel- 
form............ ,....12, ANULOCAULIS (p. 226). 
Fruit with 5 or fewer angles; 
leaves thin, scattered 
along the stems; peri- 
anth campanulate..... 13. BoERHAAVIA (p. 226). 
1. WEDELIELLA Cockerell. 
Annual or perennial herbs with prostrate stems; leaves opposite, petiolate; invo- 
lucre of 3 oval sepal-like bracts united at the very base, solitary on axillary pedun- 
cles; perianths purplish red, rarely white, oblique, 3 in each involucre; fruit leath- 
ery, winged on each side, smooth on the inner side, with 2 parallel rows of stipitate 
glands on the outer side, these often concealed by the incurved, entire or toothed 
wings. 
KEY TO THE SPECIES. 
Annual; stems only slightly pubescent, or glabrous; wings of the 
fruit not incurved, with numerous slender teeth; leaves ob- 
long, glaucous beneath, obtuse, somewhat crispate.......-.- lL. W. glabra. 
Perennials; stems strongly viscid; wings of the fruit incurved; leaves 
usually ovate, mostly acutish, not glaucous beneath, plane. 
Wings of the fruit toothed..........-...-.-.-2----+--++++-- .. 2. W. incarnata. 
Wings of the fruit entire............-.-.-..2. 2222-2 e ee eee eee 2a. W. incarnata 
anodonta. 
1. Wedeliella glabra (Choisy) Cockerell, Torreya 9: 167. 1909. 
Allionia incarnata glabra Choisy in DC, Prodr. 137: 435, 1849, 
Wedelia glabra Standley, Contr. U. 8. Nat. Herb. 12: 332. 1909. 
Type Locauity: ‘Circa Mexicum.”’ 
Rance: Arizona to western Texas, south into Mexico. 
New Mexico: Carrizo Mountains; Farmington; Zuni; Pecos; Santa Fe; Albu- 
querque; Mangas Springs; Mesilla Valley; Gray; south of Roswell. Sandy plains, in 
the Lower and Upper Sonoran zones. 
2. Wedeliella incarnata (L.) Cockerell, Torreya 9: 167. 1909. 
Allionia incarnata L. Syst. Nat. ed. 10. 2: 890. 1759. 
Wedelia incarnata Kuntze, Rev. Gen. Pl. 2: 533. 1891. 
Type LOcALITY: ‘‘Juxta Cumana urbem, in silvis arenosis,’’ Venezuela. 
RanaeE: Colorado to Arizona, western Texas, and Mexico; also in the West Indies 
and South America. 
New Mexico: Burro Mountains; Rincon; Carrizalillo Mountains; Organ Moun- 
tains; Mesilla Valley; Alamogordo; Lake Arthur; south of Roswell. Dry hills, in the 
Lower and Upper Sonoran zones. 
A plant from Highrolls is an albino form. Analogous forms are known in other 
Allioniaceae. 
2a. Wedeliella incarnata anodonta (Standley) Cockerell, Torreya 9: 167. 1909. 
Wedelia incarnata anodonta Standley, Contr. U. 8. Nat. Herb. 12: 333. 1909. 
Type Locauity: Plains of western New Mexico. Type collected by Rusby (no. 
355). 
Ranae: New Mexico and Arizona. 
New Mexico: Shiprock; Albuquerque; Valverde. Lower and Upper Sonoran 
zones, 
