428 



LILIACEAE 



4. Erythronium montanum S. Wats. Alpine Fawn Lily 



Fig. 1048. 



Erythronitim inontaiiii iii S. Wats. Proc. Am. Acad. 26: 

 130. 1891. 



Corm narrowly oblong, 3-4 cm. long, arising in 

 succession from the rhizome, which is often 4-5 

 cm. long and composed of a double row of im- 

 bricated thickened scales. Leaves not mottled, 

 oblong-ovate, 7-12 cm. long, 2.5-4 cm. wide, acute 

 or acutish at apex, abruptly narrowed at base ; 

 petiole 3-5 cm. long; scape rather stout, 25-45 

 cm. long, 1-several-flowered ; perianth-segments 

 white with an orange base, often drying pinkish, 

 lanceolate-acuminate 35-40 mm. long, 10-13 mm. 

 wide, somewhat recurved ; filaments slender, not 

 dilated below, 10-12 mm. long; anthers white, 3-4 

 mm. long; style slender, 12 mm. long, 3-lobed ; 

 capsule oblong-obovate, rounded at the apex, 

 about 3 cm. long. 



Alpine meadows, Hudsonian Zone; Washington and 

 Oregon. Type locality: Mt. Hood, Oregon. 



5. Erythronium californicum Purdy. 

 California Fawn Lily. Fig". 1049. 



Ervtlvoiu'iiiii californicum Purdy, Flora and Svlva 2: 253. 

 '1904. 



Leaves strongly mottled, oblong, 10-15 cm. long, 

 25-40 mm. w-ide, obtuse at apex, narrowed to a short 

 (20-25 mm.) winged petiole; scape stout, 20-35 cm. 

 long, 1-flowered or commonly 2-several-flowered ; 

 perianth-segment creamy-white, orange at base, 

 broadly lanceolate, 30-40 mm. long, 10-14 mm. wide, 

 appendaged at base ; filaments rather stout, but not 

 dilated below, about 8 mm. long; anthers cream color, 

 3-4 mm. long ; style 10 mm. long, somewhat clavate, 

 3-lobed ; capsule narrowly obovoid, 3-4 cm. long, 

 8-10 mm. wide, rounded at apex. 



Open woods. Upper Sonoran and Transition Zones; Cali- 

 fornia Coast Ranges from Mendocino to Lake and Sonoma 

 Counties. Locally known as "Easter Lily." Type locality: 

 Sonoma to Trinity County, California. 



6. Erythronium giganteum Lincll. 

 Giant Fawn Lily. Fig. 1050. 



Erythronium giganteum Lindl. Bot. Reg. under />/. 1186. 1835. 

 Erythronium grandifiorum albiflorum Hook. Fl. Bor. Am. 2: 

 "182. 1840. 



Leaves mottled, oblong-lanceolate, 10-15 cm. long, 

 25-45 mm. wide ; scape 25-40 mm. long. 1-6-flowered ; 

 perianth-segments creamy-white, marked with orange at 

 base and sometimes with a band of greenish brown, 

 lanceolate, acuminate, 30-50 mm. long, 8-14 mm. wide, 

 strongly revolute, the inner appendaged at base ; fila- 

 ments about 10 mm. long, strongly dilated to near the 

 middle ; anthers cream-yellow, 7-9 min. long ; style 

 usually longer than the stamens, slightly clavate, deeply 

 3-lobed, the lobes reflexed ; capsule oblong-ovoid, about 

 3 cm. long, very obtuse or retuse at apex. 



Stony ridges. Transition Zone; southern Oregon. Type local- 

 ity: "northwest America." 



