Fiinuijin. ROSACE.E. 



175 



serrate toward the obtuse or rontulcd suinniit, more or less silky above, densely 

 hoary-tomcntoso l)eueath, ^ to U itirhcs loiij;, shortly pctioled ; veins prominent 

 beneath: ilowers tomentose, on short slender pedicels: calyxdimb nearly 2 lines 

 long, with short teeth ; tube becoming 4 to G lines long, exceeding the pedicel : tail 

 often 4 inches long. — Hook. Ic. PI. t. 323 ; Hook. & Arn. Bot. lieechey, 337. 



Var. glaber, Watson. Glabrous throughout, or the calyx somewhat oppressed 

 pubescent : leaves dark green. — C. betukefoUus, Nutt. ; Hook. Ic. PI. t. 322. C. 

 betuloides, Torr. k Gray, Fl. i. 427, 



In the Const Rnngcs fiorn Lako Co. (Torrey) to S. (Jnlironiia, mid in tlio Rocky Mountains 

 from Wyonnng Territory to New Mexi.'o niul Utah. Tlio variety occurs in the monntaiiia near 

 Santa Barbara (Nuftall) and San Diego, Cleveland, Palmer. 



10. COWANIA, Don. Ci.iff-Ro.^k. 

 Calyx i)ersistent; tube narrowly turbinate; limb .O-parted, imliricated. Petals 5, 

 obovate, spreading. Stamens numerous, in 2 rows, inserted with the petals at the 

 throat of the calyx-tube. Carpels 4 to 12, free and distinct, sessile, densely vil- 

 lous : style terminal, included : stigma terminal : ovule solitary, erect. Fruit a 

 coriaceous narrowly oblong striate akene, nearly included in the dilated calyx-tube, 

 caudate with the elongated plumose style. Seed linear, somewhat triangular : 

 radicle inferior. — Shrubs or small trees; leaves small, toothed or pinnatifid, coria- 

 ceous, glandular-dotted ; flowers showy, solitary, terminal. 



A genua of 3 species, confineil to Mexico and the adjacent interior region northward. 

 1. C. Mexicana, Don. A nmch-branchod shrub, 1 to foc't high; the trunk 

 with abundant shreddy light-colored bark : leaves approximate U[)on the short 

 branchlets, cuneatc-obovate in outline, 4 to 7 lines long, ])innately 3- 7-lobed, dark 

 green above, tomentose beneath, ajid the margin somowhat revolute: flowers yellow, 

 an inch or less in diameter, the calyx-tube attenuate into a short glandular-hairy 

 pedicel ; calyxdobes obtuse, tomentose, 2 lines long, equalling the tube : tail of the 

 akene at length 2 inches long or more. — Trans. Linn. Soc. xiv. 574, t. 22; "Watson, 

 13ot. King Exp. 83. C. Sfansburinna, Torrey, Stansbury Re]). 386, t. 3. 



"Mountains of California along the Viigen River" {Frrvimt, jnohablv in Southern Nevada) 

 and iiciuent eastward in tlio mountains to N. Utali and New Mexico, and southward to Central 

 Mexico_ The wood is light colored and very lino grained. Tlic otlier species are C. pHcnt.a, 

 Don of Northern Mexico, with toothed h-aves and i>uri)lisli Ilowers. an<l C. erica-folia, Torr., with 

 smaller white Ilowers and linear entire leaves, found only by Parry on the llio Grande. 



11. FALLUGIA, Endlicher. 

 Calyx persistent ; tube short-hemispherical, villous within ; limb 5-parted, the 

 ovate lobes imbricated in the bud, with alternate linear bractlets. Petals 5, large 

 and rounded, spreading. Stamens numerous, inserted in a triple row upon the 

 margin of the calyx-tube. Carpels numerous, densely villous, inserted upon a small 

 conical receptacle : stylo terminal : stigma minute : ovules solitary, erect. Fruit 

 a coriaceous narrowly oblong nkene, ex.serted, caudate with the elongated plumose 

 style. Seed linear: radicle inferior. — A low undershrub ; leaves pinnately lobed, 

 margin revolute ; stipules small ; flowers white, showy, solitary or paniclcd, termi- 

 nating slender (dongated naked iieduncles. 



1. F, paradoxa, En<llicher. Much branched with somewhat virgaie slender 

 branches, 2 or 3 feet high ; epidermis white, persistent : leaves scattered or fas- 

 cicled, somewhat villous, rather thick, 3 to 10 lines long, sessile, cuneate and atten- 

 uate into a linear ba.se, pinnately 3 - 7-cleft above, the segments linear, obtuse : 



