Ahutilon. MALVACE^. 32'.) 



358; Coulter, Contrib. U. S. Nat. Herb. i. 32, ii. 41; Heller. Cmtrib. Herb. Kraukl. & 

 Marshall Coll. i. 64. — S. Texas, iMtermun, NealUy, I/rllrr. (NortlM-ni Mex., Hhen- fin.t 

 coll. by Btrlanditr.) 



•»-•<-••- Fruit pulKJScent or ciiieHcent, Hbort, but Burpjuwing the comparatively aniall 

 calyx : flowers all or mainly in an ample naked and nt-arly f^labroun comixtund i>anii !<• : 

 stems herbaceous, rather tall: It-aves larj^e, 4 to 9 imln-.-* wide or lonj;, round cordatA 

 with narrow or closed sinus, acuminate, and not rarely wilii lateral atuminale lolxfi or 

 lobelets. 



A. Sonorae, Grav. stem below and lonj,' petioles hirsute or hi!<pi<l with lonj; Kpreadinjj 

 hairs: leaves soft velvety-tomenlo.xo ami cani-scent beneatli, less ko or ^rcr-n and j;labnH4? 

 above: calyx only 2 lines lonp, witii ovate, obtu.se 1oIk?8, cancwent half the l.iif,tli of (he 



corolla: truncate capsule 4 lines hi^li, of 7 to 10 mucronate or mucronulati- cariM-lH. 



ri. Wright, ii. 23. — Hillsides on the Sonoita, just south of Arizona, Wri<jl,t. (Chiimatma, 

 Mex., Primjle, Palmer.) 



A. reventum, W.vtson. Habit and leaves of tiie ])r(redintj : stem frlalirous throughout or 

 bari'ly imherulent : calyx and ctirolla larger; lobes of tlie former nion- than iialf tiie length 

 of tlie mucronulate or nearly pointless carpels. — I'roc. Am. Acad. xxi. 418. A.Snnnni, 

 var., Gray, PI. Thurb. 308. — S. Arizona and ailjacent Souora, Thurbir, J'ringlr. (Chihuahua, 

 Max., Palmer.) 

 * * * Carpels 5 or rarely 6 to 8, closely erect in the truncate capsule, 3 or 4 linej4 long, 



only mucronate-tipped, minutely pubescent or canescent ; seeds 2 or 3, supcrjMjsed : freely 



branching herbaceous perennials, small-flowered, 

 •t— Corolla yellow, the jjctals 3 to 5 lines long : plants erect an<l bushy, a foot to a yard 



high, canescent throughout with minute and compact coating, the hairs (juite indistiD- 



guisiiable. 

 A. malacum, Watson. Pubescence soniewliat pannose : stems rather stout : leaves niuml- 

 cordate, acute or short-acuminate, veiny, 2 to 4 inches long, rather long- pet ioled : flowers 

 numerous, paniculate-clustered and short-podicelled, or some earliest solitary and nither 

 slender-peduuded in axils : calyx 3 lines long, the acute or acuminate lobes appre.ssed to 

 and nearly equalling the broad and short steliular-pulterulent cajxsule. — Proe. Am. Acad, 

 xxi. 446. (Has been variou.sly confounded with the next.) — Texas near the Uio Grande, 

 from Laredo to El Paso, Bigelow, Ilavard, Junes. (Chihuahua, Mex., Priwjte.) 

 A. incanum Sweet. l*ubescence minuter and whiter : leaves mostly ovate-cordato, ser- 

 rate, larger 3 or 4 inches, smaller on the branclikts half inch long : flowers solitary and 

 mostly slender-pedunded in tiie axils, and sometimes loosely and slightly paniculate on the 

 branchlets: calyx a line or two long, at length usually reflexed under the more or lew 

 oblong trimcate canescent-pubcrulent capsule ; seeds when young smooth and glabrous, in 

 age minutely cinereous-pubescent. — Hort. Brit. ed. 1,53; Don, Syst. i. 501; Gray. Hot. 

 V. S. Expl. Exped. 168, & Proc. Am. Acad. xxii. 301. A. Ternisr, & A. Xuttallii. Torr. & 

 Gray, Fl. i. 231. .1. Texense, Gray, PI. Lindh. pt. 2, 161, & PI. Wright, i. 21. .^ida inrana. 

 Link, Enum. ii. 204. — S. Arkansas and Texas to Arizona. (Mex., Sandwich Islands.) 

 ^ ^_ Corolla brick-red or " pink," the petals 2 or 3 lines long : plant,t diffuse. 

 A. parvullim, Gray. Stellular-puberulent. cinereous or greener, or when young caneji- 

 cent : stems slender, loosely spreading or decumbent from a ligneous root : leave.-* from 

 rounded- to ovate-cordate, irregularly serrate, sometimes obscurely 3-Iobe<l, thinni.iii. half 

 inch to 2 inches long: flowers mostly solitary and axillary on rtliform |>eduncles: calyx a 

 line or two long, at length reflexed under the short-ovoid capsule.— PI. Wriglit. i. 21. ii 23. 

 & Proc. Am. Acad. xxii. .301. — W. Texas to S. Cob.rado and Arizona quite to the Hio 

 Colorado ; first coll. by Wrirjht. 

 « * # * Carpels 5, short, submembranaceous, at longtli 2 valve.l, abruptly and divergently 



10-awned (the 5 .iwns soon dividing) ; seeds 2 or 3, super|«.se.l : herbaceou.-. pn.l«bly 



perennial, with greeu and membranaceous leaves, and small yellow flowers. 

 A. Thlirberi, Gray. Green, not canescent. pubescence .if 3-4 rayed and some simple 

 bristly hairs:' stems a foot or two high, slender, simple or paniculately branched aU.ve, 



