SYNOPSIS OF THE FLOEA OF COLORADO. 11 



on the plains. Dr. Smith; J>. H. Smith ; Porter; Coulter; Hall & 

 Harbour, 52. 



CLEOMELLA ^NGTJSTIFOLIA, Torr. Glabrous, 1 or more high, branch- 

 ing above ; leaflets oblong-linear, acutish, very entire ; upper bracts 

 simple; ovary many times surpassing the style, shorter than the stipe; 

 capsule dilated-rhomboid, acute; seeds transversely rugulose. Hall & 

 Harbour, 53 ; Parry. This is C. tenuifolia^ Torr., 104 of Parry's Rocky 

 Mountain Plants, Gray's Enumeration, Sill. Jour., vol. 33, p. 404. 



POLAXISIA TjrxiGLANDULOSA, DC. (P. trachysperma, T. & G. Fl. N. 

 Am. 1, p. 669.) Yiscidly pubescent, branching ; leaves 3-foliolate ; leaflets 

 and bracts oblong-lanceolate ; stamens 8-16 ; filaments deep purple, 

 twice or thrice the length of the petals ; style about the length of the 

 ovary ; pods linear-oblong, attenuate at base ; seeds turgid, rough and 

 warty; capsule short-stipitate. On the Platte, near Denver, Dr Smith; 

 Redfield. 



VIOtACEJE. 



VIOLA PALTJSTEIS, L. Parry, 110. 



VIOLA CUCULLATA, Ait. Bear Creek Canon, Coulter. 



VIOLA DELPHINIFOLIA, Kutt. Plains near Denver and on the Saint 

 Vrain Elver, Coulter. Golden City, Greene. 



VIOLA BIFLORA, L. Stem weak, about 2-leaved, 2-flowered ; leaves 

 reuiform, very obtuse, crenate; stipules ovate, very entire; flowers very 

 small, yellow, petals marked with brown stride ; sepals acute or acutish ; 

 spurs short. Hall & Harbour. 54. 



VIOLA CANIXA, L. Near Mount Lincoln, July, Coulter. 



VIOLA CANADE^SSIS, L. Caiion City, Erandagee. Near Long's Peak, 

 May, Coulter. 



VIOLA XrTTALLii, Pursh. Stems numerous, short, erect; leaves 

 ovate-lanceolate, somewhat pubescent or nearly glabrous, undivided but 

 sometimes obscurely sinuate-toothed, attenuated into a long petiole; 

 stipules lanceolate, entire, or obscurely ciliate-toothed ; flowers small, 

 pale yellow ; spur very short ; peduncle shorter than the leaves. Hall & 

 Harbour, 55. Near Denver, May, Coulter. 



IONIDIU3I 2 LINEARE, Torr. Am. N. Y. Lye. 2, p. 168. Somewhat pu- 

 bescent, stern branched ; leaves opposite, occasionally alternate, entire 

 or remotely serrulate, the lower varying from lanceolate to oblong or 

 obovate, the upper linear, obtuse or acute, usually 3-4 times the length 

 of the stipules; stipules linear, one-third the length of the leaves; pe- 

 duncles slender, 2 // -6 // long, articulated, bibracteolate ; flowers small; 

 capsules glabrous; seeds turning black. Hall d; Harbour, 57. Canon 

 City, Brandegee. 



1 CLEOMELLA, DC. Sepals distinct, short aud spreading. Torus short, oblong' 

 Stamens 6, incurved in ;estivatiou. Pod short, obovate-rhomboidal, 4-8 seeded, with 

 reticulate, deltoid, or boat-shaped saccate valves, and upon a filiform stipe. Seeds 

 smooth, pitted, or variously reticulated: embryo conduplicate ; radicle elongated. 

 Annual glabrous herbs with stipulate 3-foliolate leaves, entire leaflets and racerned, 

 leafy-bracted yellow flowers. Benth.* Hook. 



2 IONIDIOI, Vent. Sepals more or less unequal, not auricled ; petals very unequal, 

 the two upper shorter, the lower one very large, imguiculate : the claw dilated, shortly 

 gibbous or concave ; stamens approximate, the anterior ones each furnished with a 

 nectariferous gland at the base. Low herbs or suftruticose plants, leaves alternate or 

 opposite : peduncles axillary, solitary. Gr. Gen. Ill, 1, p. 189 ? t. 82. 



