534 CUKVOLVULACE.'E. CuuvuIoiUuh. 



wliito, cream-color, or (Icsli-color, U to 2 inclios long. — DC. I'lodr. ix. 405. t\di/- 

 s(('(/ia subacatUis, ilook. 6i, Ani. JJol. Beuclioy, 303. 



llill.s tiiiil luiiik.s, ]\liiriii Co. to Sua Luis Oliispo. lUiulo ol' llie leaf from hiilf an inch to uii 

 iiicii or iiioio ill Icii^'lli : |k!(1uiu-Ii)s 1 to 3 inches hnig. 



4. C. villosus, (imy. Donsoly ami sot'tly vvliito-tomcntoso throughout : atoms 

 a span to '1 lout long, tmiling or feebly twining : leaves from reniform-hastate to 

 sagittate, the ui)per acuminate, mostly hinger than the petiole ; the basal lobes 

 often angulate-1 - 2-toothed : peduncles mostly shorter than the petiole : bracts oval 

 or ovate, as long as the calyx : corolla cream-color, an inch long. — Proc. Am. Acail. 

 1. c. Convolvulus (n. sp. i), Torr, in Pacif. li. liep. iv. 127. Culystefjia villosu, 

 Kellogg, Proc. Calif. Acad. v. 17. 



Dry hills, from the Upper Saliniis River, Monterey Co., and Tejon, to Plumas and Sieiia 

 counties. The silky-villous wool very soft aud velvety. 



* * No califx-llke bracts, sometimes a pair of leaves close under the Jloiver or a jxiir 

 of bracts at some distance below it. 



5. C. luteolus, Oiay. (ilabrous or pubescent : stems at length 2 or 3 Inct Lmg 

 and twilling : leaves triangular-hastato or sagittate, the basal lohi's sometimes 

 2-lobed : peduncles commonly us long as the leaves, bearing a i)air of linear or 

 lanceolate entire foliaceous bracts a little below the llower ; a second llower occa- 

 sionally from the axil of one of them : sepals mo.stly broad and roundish : coroHii 

 jiale yellow, an inch or more in lengtii. — I'roc. Am. Acad. 1. c. Jpomwa sa<)i(tij'oUa, 

 Hook. & Arn. liot. Beechey, 151 ((), but the stigmas are linear. 



Var. fulcratus, Gray, 1. c. More })ubescent : a pair of hastate or sagittate small 

 leaves for bracts either below or close to the llower. — C. CaUfornicus, Torr. Pacif. 

 \i. Pep. iv. 127, not of Choisy. 



Hillsides from Lake and Colusa to Alameda counties. Variable in foliage, generally glalirous; 

 the bracts from 1 to 4 lines loiii; and aliout tlie same distiuico below the calyx. Vur. fiilcrntiis, 

 which in aspect sometimes much resemhlcs the less downy fonns of the preceding species, comes 

 from the foot-liiils of the Sierra Nevada (Sononi, Bi(fdoiv) to Fort Tejon {U'alUtcc, Hum), and 

 Cajon I'ass (C'uu//cr) : its Liacteal leaves commonly half an inch long. 



(3. C. longipes, Watson. Glabrous throughout, erect and much branchinl, the 

 filiform brandies sometimes twining : leaves small and sparse, rather short-juitioled, 

 or the up])er sessile, entire, or most of the lower hastate by a pair of oblong or 

 linear divaricate basal lobes : peduncles 1-tiowered, 2 to 6 inches long, imked, or 

 ■with one or two distant small leaves remote from the bractless calyx : corolla yel- 

 lowish, over an inch long. — Am. Nat. vii. 302. 



Owen's Valley or near Fort Tejon, Dr. Horn. Southern Nevada, Litiut. IVIuelcr. 



2. CRESSA, Linn. 



Corolla deeply 5-cleft, not plaited ; the oblong or ovate lobes more than half the 



length of the somewhat campanulate tube, lightly convolute in the bud, or with one 



lobe external. Stamens and the two distinct entire styles exserted. Stigmas 



capitato. Capsulo 2-valved, by abortion commonly ono-seedod. — A single species. 



1. C. Cretica, 1-inn. I'enMinia! herb, ii span or two high, croct or diffuse, 

 exceedingly brancheil, silky-villous and hoary : leaves very numerous, small (2 to 4 

 lines long), almost sessile, mostly ovate-lanceolate or oblong : llowers sessile or 

 short-peduncled in the up[)er axils : corolla 2 or 3 lines U>ng, white, silky-pubescent 

 outside, a little longer than the calyx. — C. IVnxillensis, IlIiK., a name for the 

 American form, which does not much diifer from that of Australia (C. australis, R. 

 lirovvn), but is more silky than that of Europe. 



Saline soil, along the whole length of the coast. Also in alkaline soil in valleys of the Monte 

 Diablo Range, Brewer. Extends to Arizona, &,c., and coast of S. America round to S. Brazil. 



