HEATH FAMILY 



21 



Locs. — S. Cal.: Cuyamaca Mts., Pahner 213; Mesa Grande, San Diego Co., E. Ferguson 108; 

 Palomar Mt., Parish 4408; Dark Canon, San Jacinto Mts., Jepson 2271. Sierra Nevada: Cane 

 Sprs., Black Mt., Greenhorn Mts., ace. Charlotte N. Smith; Millwood, Fresno Co., Culhertson 

 4693 ; Shaver Lake, Fresno Co., Jepson 13,283 ; Fresno Big Trees, Madera Co., Jepson 15,975 ; 

 Merced Big Trees, Jepson 14,669; Hetch-Hetchy, Jepson; Big Creek, Tuolumne Co., Jepson 8343; 



Dorrington, Calaveras Co., Jepson 10,198 ; Stirling, 

 Butte Co., Seller 10,800; Cedar Run, Shasta Co., 

 Baker 4' Nutting ; Shasta Sprs. Siskiyou Co., Jepson 

 14,671. Coast Banges: Fremont Peak, Gabilan Range, 

 Elmer 4748; Big Basin, Santa Cruz Mts., Jepson; 

 Butano Creek, San Mateo Co., Elmer 4298 ; Mill Val- 

 ley, Marin Co., Jepson 14,670 ; Howell Mt., Jepson 

 17,596 ; betw. Melburne and Comptche, Mendocino Co., 

 Jepson 2231; Horse Mt., Humboldt Co., Tracy 7663; 

 Castle Lake, e. slope Trinity Mts., Condit ; Scott River 

 valley, Siskiyou Co., T. E. Gilbert; Smith River, Del 

 Norte Co., Jepson. 



Var. sonomense Rehd. Leaf -blades % to 1 inch 

 long; corolla rose-pink or white, the upper segment 

 with a salmon-colored oblong spot in the middle. — 

 Canons, 500 to 1000 feet : east side of the Napa Range 

 from Mt. St. Helena south to Butts Canon, Jepson 

 15,697. Attributed by E. L. Greene to the "neighbor- 

 hood of Petaluma," an unlikely locality. 



Var. paladosum Jepson. Habit more compact; 

 leaf -blades 1% to 1?4 inches long; flowers more nu- 

 merous; calyx-lobes linear-oblong; corolla usually pink 

 outside, white or slightly pinkish inside, except the 

 yellowish upper lobe. — Damp places on hillsides and 

 terraces near the ocean, 5 to 100 feet: middle Hum- 

 boldt coast to the Del Norte coast. The flowers are 

 without odor. 



Refs. — Rhododendron occidentale Gray, Bot. 

 Cal. 1:458 (1876); Jepson, Fl. W. Mid. Cal. 369 

 (1901), ed. 2, 311 (1911), Man. 741, fig. 723 (1925). 

 Azalea occidentalis T. & G., Pae. B. Rep. 4:116 (1857), type loc. "Laguna de Santa Rosa," 

 Sonoma Co., Bigelow. R. calendulaceum H. & A., Bot. Beech. 362 (1838), based on Douglas plants 

 from Cal.; not R. calendulaceum Torr. (1824). Aza- 

 lea calif ornica T. & G. ; Dur., Jour. Acad. Phila. ser. 

 2, 3:94 (June, 1855), type loc. Deer Creek, Nevada 

 City, Pratten ; not R. californicum Hook. (1855). 

 Var. SONOMENSE Rehd. ; Wilson & Rehder, Monog. 

 Azaleas 127 (1921"). E. sonomense Greene, Pitt. 2:172 

 (1891), type loc. Mt. St. Helena (locality first cited), 

 Greene. Var. paludosum Jepson, Man. 741 (1925), 

 type loc. Loleta (not "Fortuna"), Humboldt Co., Jep- 

 son 1916. 



2. R. californicum Hook. California 

 Rose Bay. (Fig. 282.) Rather closely erect 

 shrub 4 to 8 feet high, or in the northern Red- 

 woods a small tree up to 26 feet high; leaves 

 coriaceous and evergreen, the blades oblong 

 or elliptic, shortly acute, green above, rusty or 

 lighter beneath, 2i/2 to 5% inches long; calyx 

 5-lobed, its lobes obtuse, ^2 line long; corolla 

 turbinate-campanulate, rose-pink, 11,4 inches 

 long, its broad lobes undulate, the upper lobe 

 greenish-dotted within; ovary densely red- 

 silky. 



Moist hillslopes or in forest shade, 20 to 

 3000 feet : along the coast from Monterey Co. ^. ggg. rhododendron 



to Del Norte Co. North to Washington. Apr.- nicdm Hook, a, fl. branchlet, 

 June. fl., X % ; c, capsule, X %. 



Fig. 281. Rhododendron occiden- 

 tale Gray, a, fl. branchlet, X % ; b, cap- 

 sule, X %. 



CALIFOK- 



X % ; b. 



