92 



GENTIANACEAE 



broadly oblono:, 2 to 3 lines long, its lobes ovate, contracted at base, unequal, about 

 as long as the tube and inserted just below its truncate border; corolla deep blue, 



11/4 to li/o inches long, its lobes short and round- 

 ish, obtuse, yellowish-dotted, % as long as the 

 tube; sinus-appendages triangular-subulate, 

 prominent; corolla-tube with 2 greenish-dotted 

 elongated areas beneath each lobe; seeds wing- 

 less. 



Moist meadows, 4500 to 10,400 feet : Sierra 

 Nevada from Tulare Co. to eastern Siskiyou Co.; 

 Trinity Mts. East to Wyoming, north to Brit- 

 ish Columbia and Montana. July-Sept. 



Locs. — Sierra Nevada: Kern Elver Canon, Culiert- 

 son 4398; Farewell Gap, Tulare Co., Jepson 1139; 

 Shadow Lake, Madera Co., A. L. Grant 1569; Silver Lake, 

 w. Mono Co., W. M. Maule ; Mt. Tallae, Eldorado Co., 

 Jepson 8134 ; Emerald Bay, Lake Tahoe, Bowena Beans; 

 Downieville Buttes, Lemmon; Martin Sprs., Eagle Lake, 

 Brown # Wieslander 87 ; Bartles, McCloud River, HI. S. 

 Baker. Trinity Mts. to Devils Canon Mts. : Sisson, Con- 

 dit ; Mt. Eddy, Lemmon; Whites Creek (head of). Devils 

 Canon Mts., Tracy 14,531. 



Kefs. — Gentiana calycosa Griseb., Gen. et Sp. 

 Gent. 292 (1839), t\'pe loc. Northwest Coast, Tolmie; 

 Hook., El. Bor. Am. "2:58, t. 14(3 (1839) ; Jepson, Man. 

 764 (1925). Pneumonanthe calycosa Greene, Lflts. 1:71 

 (1904). 



Fig. 337. Gentiana calycosa 

 Griseb. a, habit, X Vx \ h, long. sect. 

 of fl., X 1 ; c, stamen with portion of 

 corolla-tube, X 3. 



10. G. ore- 



gana Engelm. 

 Oregon Gen- 

 tian. (Pig. 

 338.) Stems erect or ascending, several from a 

 stout taproot, 1 to 2 feet high; leaf -blades ovate 

 or oblong-ovate, % to 1% inches long; flowers few 

 to several at summit; calyx-lobes oblong to ovate- 

 lanceolate, a,s long as tube; corolla broadlj^ funnel- 

 form, 11/4 to 1% inches long, outside greenish, its 

 lobes blue inside and speckled with white, spread- 

 ing, roundish-ovate, not narrowed at base; sinus- 

 appendages 2 (or 1), conspicuous, subulate, 

 toothed or entire; capsule more or less stipitate; 

 seeds winged. 



Open grassy or sandy lands, 25 to 3000 feet : 

 near the coast from Marin Co. to Del Norte Co., 

 thence easterly to Siskiyou Co. North to British 

 Columbia and Montana. July- Aug. 



Locs. — Mt. Tamalpais, lladalyn MilJer; Pt. Eeyes, 

 Davy ; Pt. Arena, Bioletti; Fort Bragg, W. C. Mathews 97 ; 

 Westport, Jepson 14,649; Wildcat Bidge, Humboldt Co., 

 Jepson 17,941; Loleta, Humboldt Co., Jepson 2134; Big 

 Lagoon, Humboldt Co., Jepson 9411 ; Crescent City, M. S. 

 Baker 229 ; West Fork Woolly Creek, w. Siskiyou Co., But- 

 ler; McCloud River, e. Siskiyou Co., M. S. Baker. 



Refs. — Gentiana oregana Engelm.; Gray, Syn. Fl. 

 2:122 (1878), "Brit. Columbia and w. Idaho {Lyall. Spal- 

 ding) to Oregon (Ncvius, etc.) and w. California"; Jepson, Fl. W. Mid. Cal. 379 (1901), ed. 2, 320 

 (1911), Man. 765 (1925). G. affinis var. ovata Gray, Bot. Cal. 1:483 (1876), type loc. Mt. Tamal- 

 pais, Bolander 2467. Pneumonanthe oregana Greene, Lflts. 1 :71 (1904). 



Pig. 338. Gentiana obeqana 

 Engelm. a, fl. branchlet, X % ; 6, 

 long. sect, of fl., XI; c, calyx 

 spread open, X 1% ; (Z, stamen with 

 portion of corolla-tube, X 1%. 



