o4 Contributions to Western Botany. 
involucre viscid pubescent or hairy and hairs jointed; leaves 
rather leathery and apie ict at base. Colorado and south- 
ward. 
Var. ovata (Pursh Fl. 97) Morong Mem. Torr. Club 5 146, 
Leaves oblong to ovate-lanceolate, not heart-shaped. Colorado 
and southward. 
Var. latifolia (Gray) Coult, Fl. Tex. 352. Involucres gla- 
brous or glabrate; leaves ovate to cordate, submembranous- 
Texas and New Mexico to Wisconsin. 
11, A.hirsuta Pursh Fl. 2 728. Fruit hairy, with 5 main 
ribs and as many intermediate ones which do not run to base 
of fruit, all tubercled; plants very densenly pubescent, with 
long, jointed hairs; leaves lanceolate, thick, upper ones sessile; 
the lewer sho:t-petioled. Exstern side of Rocky Mountains, 
Colorado and southward. Probably a form of A. nyctaginea. 
NYCTAGINEA CAPITATA Choisy, a prostrate annual with many-bracted 
and many-flowered involucres, grows on the Staked Plains of Texas. 
8. WEDELIA Leefl. (Allionia L.) 
Involucre not changed in fruit; flowers 3, funnel-form, not 
over 3’ long; stigma capitate; stamens 3-5, about as long as the 
flowers; slender and prostrate plants, probably perennial but 
blooming the first year. 
1. W.incarnata (L.) Kuntze. Viscid pubescent, slender 
petioled; involucre cleft toor below the middle, small; flowers 
white to rose-colored, not over 4” long; anthers oblately orbicular, 
emarginate above and below; plants often woolly throughout. 
Grows only in the Larrea Zone from California to Colorado and- 
southward, but is not found in the Great Basin. | 

