Contributions to Western Botany. 61 
often purplish, somewhat keeled ventrally, cuspidate, abruptly 
contracted at base into a tapering stipe as long as or double the 
calyx, sharply acute at both ends, tip not oblique, cross section 
reniform, dorsal suleus deep, septum going to the middle, ventral 
suture rather thin, beak sharp; flowers apparently in heads, 
white; petals double the calyx, 7” long; calyx tube from about 
horizontal to reflexed in fruit, tubular-campanulate, nigrescent, 
gibbous, deeper cleft above, hyaline; teeth rather short and slen- 
der but variable; pedicels reflexed, 2” long, stout, ascending 45 
degrees; bracts hyaline, lanceolate; peduncles 4-6’ long; fruiting 
rachis 2-3’ long and rather loosely fruited; leaves 5-8’ long; 
leaflets thickish, 9-12 pairs, 6-8’ Jong, ovate, obtuse to retuse; 
stipules distinct, scarious; stems rather stout, 1-2° high, erect, 
suleate, simple to branched, tufted, rather stout and flexu- 
ous, internodes 1-4’ long; pubescence from nearly. glabrous to 
ashy. The northern forms have narrower and more pengere 
leaves and shorter stems. 
A. diversifolius var. roborum. A.junceus (Nutt.) Gray Proc. 
A. A. 6 230 
A. Douglasii var. piscinus (Jones Cont. 7 645). A. piscinus 
Jones l. ¢ 
Var. Tejonensis (JonesCont.7 645). A.Tejonensis Jones 1. c. 
A. reventus var. conjunctus (Wats. Proc. A. A. 18 371). A. 
conjunctus Wats. 1. e 
A. Purshii var. lectulus (Wats. Proc. A. A. 14 471). A. lec- 
tulus Wats. |. ¢ 
Var. leucolobus (Jones Zoe 4 270). A. leucolobus Jones 1. c. 
A. lotiflorus var. Reverchoni (Gray Proc. A. A. 19 74). A. 
Reverchoni Gr. |. ¢ 
A. Francisquitensis var. Lagunensis (Jones Cont. 8 11). A. 
Lagunensis Jones 1. ¢ 
