326 CONVOLVTJLACEAE. 



2 to .'* in. long, on slender petioles shorter than the blade; peduncles longer 

 than the Leaves, l-flowered; bracts ovate, cordate at base, completely enclosing 



the calyx; corolla pinkish, ! to 2 in. long. 



3. C. villosus (Kell.) Gray. Woolly Morning-glory. Similar to the nexl 

 in habit and equally variable, the whole plant white with a dense velvety 

 tomentum; Leaves sharply triangular or ovoid, sagittate, the lobes entire or 

 shallowly sinuate; peduncles l-flowered, often flexuous or curved, especially in 

 age; corolla funnelform, creamy white, W 2 in. long or less. 



High dry slopes and ridges of the coast ranges: Monterey; Mi. Diablo; 

 Napa Range and northward to Mt. Shasta. Sierra Nevada. May- June. 



4. C. subacaulis (H. & A.) Greene. Stems 1 to 15 in. long, when short 

 erect, when longer trailing, or frequently acaulescent; leaves thin, hirsutulous 

 with somewhat appressed hairs, ovoid or deltoid, hastate or truncate at base, 

 mostly 1 in. long; peduncles l-flowered, a /4 to 1 in. long; bracts smallish, em- 

 bracing but not enclosing the calyx; corolla campanulate-funnelform, angularly 

 5-lobed, 1% to 2 in. broad, white or creamish, with purplish exterior. 



Dry hills from the Vaca Alts, and Napa Range to Monterey and southward. 

 Apr.-June. 



5. C. luteolus Gray. Climbing over trees and shrubs 5 to 20 ft. in height, 

 the stems woody below; leaves glabrous and glaucous, 1 to 2 in. long, sagittate 

 at base, the upper portion or terminal lobe varying from triangular to narrowly 

 lanceolate; basal lobes large, very variable, sometimes nearly as large as the 

 terminal lobe, angular, shallowdy 2-lobed or somewhat saliently and acutely 

 lobed; peduncles 1 to 5, commonly 1 to 3-flowered, 2 to 5 in. long; bracts sub- 

 ulate-lanceolate or oblong and acute, distant their length to % their length 

 from the calyx; corolla open-funnelform, white, the exposed portion of the folds 

 purplish, 1 to \y~2 in. long; limb not lobed, scarcely angular; capsule 1-celled. 



Common throughout the Coast Ranges and Sierra Nevada foothills. Apr.- 

 June; or near the coast flowering until Nov. Passing into C. occidentalis Gray 

 of southern California in which the bracts are larger and enclose the calyx. Var. 

 solanensis Jepson. Largest leaves 2% in. broad, almost triangular, the lateral 

 margins from the outer angle of the lobes to the apex nearly straight; basal 

 lobes shallowly sinuate. — Vaca Mts. Var. PURruRATUS Greene. Limb of corolla 

 rose-purple, sometimes varying to white on the same plant. — Angel Island;; 

 Marin Co.; San Francisco. 



6 C. arvensis L. Orchard Morxixo-glory. Stems prostrate, 1 to several 

 ft. long, from roots which descend to great depth; minutely \ illous-pubescent 

 or almost glabrous; leaves oblong- or triangular-saggit late. \ •_» to 1 or 2 in. 

 long, on petioles */> as long; peduncles 1 (sometimes 2 or 3)-flowered, with a 

 pair of subulate or spatulate bracts near the middle; corolla white, purplish 

 outside, neither lobed nor angled, 1 to \y 2 in. broad. 



The most troublesome orchard and garden weed yet naturalized in California, 

 especially obnoxious in the richest and moistest alluvial loams. Native of 

 Europe. May-Oct. 



7. C. pentapetaloides L. Diffusely branched from the base, the branches 

 6 to Is in. long; puberulent or hairy; leaves linear or oblong-oblaneeolate, 

 narrowed to a petiole. ] to 3 in. long; peduncles with a pair of small spatulate 

 or subulate bracts below the flower, 1 flowered, retrocurved in fruit, c, to 1 

 in. Long; sepals more or less hairy with subscarious margin; corolla purplish, 



3 lines long, deeply 5-cleft. 



Naturalized from Kurope; lower San Joaquin Valley; Antioch; Kstrella. 



