112 SYNOPSIS OF THE FLORA OF COLORADO. 



base; pedicels 1-flowered, frequently 2' high ; lowest leaves spatulate, 

 upper ones few, oblong; calyx deeply 5-parted, segments mostly unequal, 

 obtuse, at length shorter than the cylindrical tube of the corolla ; lobes 

 of the deep blue corolla, ovate, acutish, about equaling the tube. 

 Gray's Peak, Greene. August, 1872. 



GENTIANA IIOIILIS, Stev. 7)0. Prod., 9, p. 106. Stems numerous, l'-2' 

 high, laxly branched from the base; branches 1-flowered; leaves smooth 

 with white margins, more or less apiculate; lowest round-ovate, upper 

 ones lance-oblong, at first crowded and imbricated on the stems; calyx 

 f>-cleft; lobes ovate-lanceolate, erect, shorter than the scarcely enlarged 

 tube of the corolla; corolla blue, lobes ovate, half the length of the 

 tube; folds entire, rounded, a little shorter than the lobes; style none; 

 capsule obovate or somewhat globose, attenuated at the base, rounded 

 at the apex. Alpine Parry. Long's Peak, at 9.000 feet altitude, June 2, 

 Cottlter. 



GENTIANA PHOSTUATA, Hanike. ])C. Prod., i), p. 100. Var. AMERI- 

 CANA, En gel in. Steins simple, 0"-2' high, slender; leaves oval-spatulate, 

 mostly obtuse, not pointed, smooth on the margin ; flowers .small, 4- 

 parted, deep blue; teeth of the calyx 5, erect, ovate-lanceolate, acute, 

 shorter than the little-enlarged tube of the corolla; tube of the corolla 

 tAvice longer than the ovate lobes, folds often more than half the length 

 of the lobes, nearly entire; style short; capsule oblong-linear, base at- 

 tenuated into a short stipe. Hall & Harbour, 475; Parry. 



GENTIANA FRIG IDA, Hamke. DC.Pro<7.,9,p.lll. Perennial; stem often 

 solitary, ascending; leaves spatulate-linear, obtuse, smooth on the mar- 

 gin ; flowers 'sub-solitary, terminal ; calyx 5-cleft, the lobes oblong-linear, 

 half as long as the corolla; corolla plaited, glandless and beardless, nar- 

 rowly obconic, whitish, with blue spots, lobes short, ovate, 3 times longer 

 than the entire folds; anthers free; testa slightly winged; capsule at 

 length stipitate. 



Var. ALGIDA, Pall. Stem tfsually taller, with the flowers, from IJ'-S' 

 high; leaves broader; flowers !-;>, pediceled, l'-2' long, more tinged 

 with purple: calyx somewhat unequal and split; lobes of the corolla 

 longer. High alpine. Hall & Harbour, 472. Parry, 305. Summit of Pike's 

 Peak, Canby. Gray's Peak, Dr. Smith ; B. H. Smith. Mount La Plata, 

 at 14,000 feet altitude, Coulter. 



GENTIANA AFFINIS, Griseb. DC. l*ro<L, 9, p. 114. Perennial ; stems clus- 

 tered, ascending 8'-20' high; lower leaves obovate-oblong, obtuse, the 

 upper lanceolate, rather acute, scabrous on the margins; flowers solitary 

 and pediceled, or clustered and sub-sessile; calyx 5-cleft, lobes oblong- 

 linear or sometimes dilated, very variable, often almost wanting, rarely all- 

 present; corolla blue, beardless and glandless, narrowly clavate, open, 

 twice longer than the calyx, the lobes oblong, obtuse, thrice longer than 

 the cleft folds; stigmas connate or twisted or diverging; anthers free; 

 testa slightly winged; seeds orbicular or oblong, winged or wingless. 

 7/aM(fr77<r/rZ>0Hr,468and4()9. Xorth Park, Hay fen. Parry, 439 ; Canby; 

 Dr. Smith; B.H. Smith. Wet Mountain Valley \Brandeyee\ Twin Lakes 

 and Sierra Madre Range, Coulter. 



GENTIANA PARRYi,Engelm. Tram. Saint Lo-ui* Acad., l,p. 218. Peren- 

 nial; stems 1 or several, ascending or erect, 4 / -9 / high, simple, leafy, 

 few-flowered ; leaves somewhat glaucous, broad at base, sessile, rounded- 

 ovate, ovate or ovate-lanceolate, 10"-15" long, 3"-IO" wide, 3-nerved, 

 the uppermost carinate and boat-shaped, involucrate to the large, sessile 

 flowers which are 15"-18" long, very deep purple, greenish below, 

 widening upward, with lobes a third as long as the tube; calyx 5-cleft, 



