Mohavea. SCROPHTJLAEIACE-E. 551 



11. A. Cooperi, Gray, 1. c. Climbing (2 or 3 feet) by the long filiform pe- 

 duncles : stems very slender, at length much branched : lowest leaves ovate or 

 oblong, tin' others linear, aud the upper floral minute : corolla bright yellow (half 

 an inch long), conspicuously saccate at base: the palate hairy: style deciduous from 

 the thin-walled capsule : seeds rough-rugose and with 3 or 4 corky ribs. 



Ravines on the Mohave, Cooper, Almendingcr. Also Southern ftah, Parry. 



1:2. A. filipes, Gray. More delicate than the preceding, with broader an.l 

 thinner leaves, very capillary tortile peduncles, and very small flowers: corolla 

 "white," little exceeding the calyx. — Bot. Ives Colorado Exp. 19. 



Desert arroyos on the Arizona side of the Colorado. Perhaps a depauperate form of A. Cooperi, 

 with imperfectly developed corolla. 



* * Perennial, climbing by the slender tortile petioles and axillary peduncles : leaves 

 lobtil or cordate: calyx longer than the globular capsule. 



13. A. maurandioides, Gray. Either low or tall-climbing, glabrous, slender: 

 leaves triangular-hastate or mure cordate, the lobes at base often with a posterior 

 tooth: corolla (purple or sometimes white, 6 to 12 lines long); its palate nearly 

 closing the throat : sepals lanceolate, very acute : style slender: seeds corky-ribbed. 

 — Proc. 1. c. vii. 374. Usteria antirrhiniflora, Poir. Maurandia antirrhiniflora, 

 AVilbl. llort, Iierol. t. 83 ; liot. M tg. t. 1043. 



A Mexican and Texan species, common in cultivation, extending westward through Arizona to 

 or near the Colorado. 



§ 3. Shrubby and erect: leaves mostly opposite or in threes, evergreen, entire: corolla 

 tubular with sho rt lips: the smooth palate prominent, but not closing the 

 throat: capsule globose, not oblique: style straight, slender: seeds as of the 

 preceding sections. — Gambelia, Gray. (Gambelia, Nutt.) 



It. A. speciosum, Gray, 1. c. A much-branched shrub, 3 or 4 feet high; 

 the young parts soft-pubescent, the older glabrous, at least the oval or oblong 

 thickish and lirm leaves (these an inch or two long and half to an inch wide): 

 Sowers in short terminal racemes and in tin axils of the upper lea\ es : pedicels like 

 the leaves or bracts usually verticillate : corolla scarlet, hardly an inch long; the 



tube cylindrical excepl the gibbous base, twii r thrice the length of the narrowlj 



lanceolate sepals, •"> or I tines the length of the short lips: stigma entire or emargi- 

 nate : capsule pubescent, opening by a chink on each side of the slender sti 

 style: seeds oblong, truncate, strongly rugose-ribbed. — Gambelia speciosa, Nutt. 

 PI. Gamb. 1 19, t. 22. 



Island of Catalina, Qambcl. Also Guadalupe Island, off Lower California, in flower and fruit. 

 Palmer. A showy shrub, with bright red flowers ; these pubescent outside : the foliage not un- 

 like that of ' 'eslt i <<. 



15. A. junceum, ' iray, 1. c. Perhaps shrubby, glabrous, 2 feet high: leaves 

 small, oblong-linear: tube, of the corolla 8 lines long.- M. juncta, lienth. P.ot. 

 Sulph. 11. 



From Son Diego to Bay of Magdalene in Lower California, Binds. Not since seen; perhaps 

 same :e the preceding. 



Saci i i w:i\ Vi in mi. Kellogg, Proc, Calif, Acad., from Cerros Island, off Lower Califo 



which has been conjectured to bod Russcllia, is probabh a (orm o( Oalvesi i Lin is, a shrubby 



plant of the Pacific coast, near tin' last section of Antirrh\ 



4. MOHAVEA, Cray. 



Calyx of 5 lanceolate acuminate and nearly equal sepals. Corolla with shorl tube 

 merely gibbous at base in front, and a vcrj ample and bilabiate bill somewhal cam- 

 panulnte-orecl limb: the lips broad and almost fan-shaped; upper 2-lobed ; the 



