124 



CONVOLVULACEAE 



portion of the folds brown or ptirplish, 1 to 1% (or 2) inches long; limb not lobed, scarcely angu- 

 lar. — Along wooded streams or on brushy slopes, 10 to 3500 feet: Coast Banges from Monterey 

 Co. to Humboldt Co.; Marysville Buttes; Sierra Nevada foothills from Amador Co. to Shasta Co. 

 Apr. -July. 



Loes. — Form a (typical C. fruticetorum Greene), of the inner North Coast Eanges; leaves 

 often microseopically puberulent; leaf -blades sometimes extremely large, broad-triangular, sagit- 

 tate, with U-shaped basal sinus ; bracts usually larger than in the species, C. purpuratus, or in 

 forms 6 and c: Dutton Canon, Vaea Mts., Jepson 14,506; Blue Lakes, Lake Co., Jepson 14,507; 

 WUlow Creek, Humboldt Co., Tracy 3342 ; Middle Creek, Shasta Co., Beller 7955. Form 6, of the 

 Coast Eanges and Sierra Nevada, the traditional C. luteolus Gray ; leaf -blades triangular-sagit- 

 tate; bracts small. — Coast Eanges: San Miguel Canon, Santa Lucia Mts., PlasJcett ; Santa Cruz, 

 Jones 2246 ; Coyote Creek, Santa Clara Co., Jepson 14,516 ; Morrison Caiion, Niles, Jepson 14,514 ; 



North Berkeley Hills, Jepson 0720; Mt. Tamalpais, 

 Jepson 1^,511; St. Helena (range w.), Jepson 14,517; 

 Calistoga, e. of, on Pope Valley grade, Jepson 14,51S ; 

 Pleasant Valley, Solano Co., Jepson 14,513 ; Ten-mile 

 Creek, Mendocino coast, Jepson 17,846; Upper Mat- 

 tole, Humboldt Co., Tracy 8298; Kneeland Prairie, 

 Humboldt Co., Tracy 3859. Marysville Buttes: North 

 Butte, Ewan 9605. Sierra Nevada foothills: Amador 

 Co., Hansen; Auburn, SJiocMey : Kress, Nevada Co., 

 Hall 10,192. Form c, of Marin Co., leaves narrow- 

 lanceolate with sagittate base: Tiburon, Jepson 

 12,916 ; Mt. Tamalpais, Jejyson 14,510. 



Var. saxlcola (Eastw.) Jepson comb. n. Leaf- 

 blades cordate-orbicular ; bracts reduced, alternate, 

 subulate ; pedicels usually short (mostly 3 to 6 lines 

 long). — Sonoma Co.: Bodega Head, K. Brandegee; 

 Bodega cliffs, K. Brandegee (pedicels 9 to 12 lines 

 long). 



Refs. — Convolvulus purpuratus Greene, Pitt. 

 3:332 (1898). C. luteolus var. purpuratus Greene, 

 Man. Eeg. S. F. Bay 265 (1894), based on spms. from 

 the islands of San Francisco Bay and mainland of 

 Marin Co.; Jepson, Man. 779 (1925). Var. frutice- 

 torum House, Muhl. 4:55 (1908). C. fruticetorum 

 Greene, Pitt. 3:333 (1898), type loc. inner Coast 

 Eange. C. luteolus Grav, Proe. Am. Acad. 11:90 

 (1876) ; Jepson, PI. W. Mid. Cal. 387 (1901), ed. 2, 

 326 (1911), Man. 778, fig. 764 (1925) ; not C. luteolus 



Fig. 364. Convolvulus pdrfltiatus 

 var. TRUTICETORUM House. a, sect, of fl. 

 stem, X Mi ; ''. stamen, X 1 ; c, pistil, 

 X 1; d, diagrammatic cross sect, of co- 

 rolla in the bud, X iy2. 



Spr. (1825). Ipomoea sagittaefolia H. & A., Bot. 



Beech. 151 (1833), type from Cal., Douglas; not Con- 

 volvulus sagittaefolius Salisbury (1796). C. luteolus 

 var. solanensis Jepson, FI. W. Mid. Cal. 388 (1901), 

 type loc. Gates Canon, Vaca Mts., Jepson 14,509. C. 

 purpuratus var. solanensis House, Muhl. 4:55 (1908). 

 C. illcccbrosns House, Muhl. 4:54 (1908), type loc. Mt. 

 Tamalpais, Eydierg 6228. Var. saxicola Jepson. C. saxicola Eastw., Bull. Torr. Club 30:495 

 (1903), type loc. Bodega Pt., Sonoma Co., Eastwood. C. luteolus var. saxicola Jepson, Man. 779 

 (1925). 



12. C. longipes Wats. Piute Morning-glory. Stems erect, much branched, 

 feebly twining, 1 to 3 feet high; herbage glabrous throughout; leaf -blades small, 

 linear-hastate, i/^ to 1^2 inches long and 1 to 3 lines wide; short-petiolate lower 

 leaves with well developed hastate lobes; upper leaves gradually reduced to linear 

 bracts, these occurring generally as alternate bracts on the peduncle about I/4 to 1 

 inch below the flower; peduncles elongated, mostly 1-flowered; sepals ovate, obtuse, 

 often mucronate, the outer two shorter, giving the appearance of bracts; corolla 1 

 inch long, broadly funnelform, white, cream-color or yellow. 



Arid or desert slopes, 2000 to 4500 feet : Southern California from San Diego 

 Co. to Los Angeles Co.; San Luis Obispo Co.; Tehachapi Mts.; southern Sierra Ne- 

 vada in Kern Co. East to Nevada. June-July. 



Locs. — Laguna Mts., San Diego Co., T. Brandegee ; Campo, San Diego Co., T. Brandegee; 

 Mt. Gleason, San Gabriel Mts., Elmer 3603 ; San Luis Obispo Co., Palmer 416 ; Tehachapi Mts., 

 Basse (J- Davidson 1712 ; Piute Peak, Pnrpus 5012. 



Refs. — Convolvulus longipes Wats., Am. Nat. 7:302 (1873), type loc. s. Nev., Wheeler; 

 Jepson, Man. 779 (1925). 



