MALLOW FAMILY 



505 



divided from the upper scarious portion ; scarious portion 1 or 2-seeded or empty, 

 early 2-valved into a pair of erect or somewhat spreading wings which equal or 

 exceed the basal portion. Seed of the reticulate portion of the carpels unlike the 

 seed or seeds of the scarious portion. — Species 4, northwest Mexico, Lower Cali- 

 fornia, Arizona and Southern California. (F. H. Horsford of Vermont, botanical 

 collector.) 



Corolla salmon-yellow or saffron; stigmas yellow; peduncles not jointed 1. H. newherryi. 



Corolla lavender or pink; stigmas purple; peduncles jointed near the middle 2. H. alata. 



1. H. newberryi Gray. (Fig. 241.) Stem erect, 5 to 8 feet high, with lateral 

 branches on upper %; stems and petioles yellow, stellate-tomentose, the leaves 



with a somewhat paler or greenish-yellow but 

 very dense and fine stellate tomentum; leaf- 

 blades li/4 to 2% inches long, on petioles i^ 

 to 11/4 inches long; petals orbicular, rotate, 3 

 lines long; anthers yellow; carpels 4 to 4i/^ 

 lines long, the wings ovate, puberulent, 3i/^ 

 lines long ; seeds 2 or 3, densely pubescent. 



Rocky canons, 10 to 2000 feet: western 

 Colorado Desert. South into Lower Califor- 

 nia and Sonora, east to Arizona. Apr.-May. 



Locs. — Coral Eeef ranch, Coachella, Clary; Tore 

 Sprs. (Zoe 4:162) ; Palm Caiion of San Ysidro, Jep- 

 son 8811; Yaqui Well, Jepson 12,517; Carrizo Mt., T. 

 Brandegee ; Signal Mt., T. Brandegee. 



Kefs. — HoRSFORDiA NEWBERRYI Gray, Proe. Am. 

 Acad. 22:297 (1887); Jepson, Man. 636 (1925). 

 Abtitilon newberryi Wats. Proc. Am. Acad. 11:125 

 (1876), type loc. Canebrake Canon, lower Colorado 

 Kiver, Newberry. 



2. H. alata Gray. (Fig. 242.) Stem 

 yellow with a felt-like tomentum, erect, 3 to 

 11 feet high, woody below, with divaricate 

 branches; leaf -blades stellate-pubescent on 

 both sides, greenish above, a little pale be- 

 neath, abruptly short-acuminate to obtuse at 

 apex, 1 to 4 inches long, on petioles l^ to 2^/^ 

 inches long; pedicels 4 to 8% lines long, jointed near the middle; calyx-lobes ovate, 

 acuminate; petals obovate. pale lavender (turning pale blue in drying), 6 to 7 

 lines long, hairy at very base; anthers white; carpels at apex, in the flowering 

 stage, with 2 line-like ridges which during maturation of fruit develop into 2 free 

 wings; fruiting carpels 4 lines long; wings glabrous, erosulate at apex; seeds 2 or 

 3, lightly pubescent. 



Desert washes, at about sea-level : Conchilla Desert. Also in Arizona, Sonora 

 and Lower California. Apr.-Dec. 



Locs. — Coral Eeef Eanch, Clary (3 stations known). Ariz.: Tinajas Altas Mts. (Jour. Wash. 

 Acad. Sci. 21:73). 



Eefs.— HORSFORDIA ALATA Gray, Proc. Am. Acad. 22:297 (1887). Sida alata Wats. Proc. 

 Am. Acad. 20:356 (1885), type loc. state of Sonora, Mex., 100 miles s. of U. S. boundary and 

 30 miles from the Gulf of California, Pringle. 



Fig. 241. HORSFORDIA NEWBERRYI 



Gray, a, flowering branch, X % ; fe, long, 

 sect, of fl., X 2 ; c, mature carpel, X 3. 



9. ABUTILON Mill. Indian Mallow. 



Perennial herbs or shrubs. Leaves with cordate blades. Flowers solitary in 

 the axils or paniculate. Calyx without involucel. Petals commonly yellow. Car- 

 pels 4 to 30, united in a capsule, the carpels 3 to 9-o\niled, tardily separating or not 



