SYNOPSIS OF THE FLORA OF COLORADO. 109 



A'-l. 1 / iii length; sepals appressed, broadly ovate, very obtuse, with a 

 minute inucro, 5" long; corolla funnel-form, 2'-2' long, purple; sta- 

 mens inserted near the base, filaments villous at the base, anthers ob- 

 long-linear, large; style as long as the stamens; stigma 2-lobed, lobes 

 capitate; ovary 2-ceiled, with 2 ovules in each cell. On the Platte 

 near Denver aiid on the mesas around Colorado Springs, Porter and Dr. 

 Smith. 



CONVOLVULUS LOB ATUS, Eng. & Gr. PL Lindh., p. 44. (('. haxtatu*. 

 Xutt. Trans. Amer. Phil 8oe., (n. ser.,) 5, p. 194, -non Thurb. C.yiittallii, 

 Torr. in Emory 8 Rep., p. 1 49.) Boot perennial ; stem twining, herbaceous 

 and pubescent ; leaves petiolate, on either surface covered Avith a short 

 hoary and silky pubescence, the primary ones simply hastate, the rest 

 partly palmated, about 2' long, commonly producing on either side of the 

 base two lateral, retiexed and toothed, or almost entire lobes, the cen- 

 tral segment more than twice their length and double their breadth ; 

 peduncles solitary, mostly 2-flowered, much longer than the leaves, the 

 pedicels each producing 2 bracts; segments of the 5-leaved calyx exter- 

 nally pubescent, imbricated, oval and obtuse, tinged with purple; corolla 

 rose-colored; stigmas 2, filiform; capsule 2-celled, cells 2-seeded. 

 Oaiion City, Brandegee. 



CALYSTEGIA SEPIUM, K. Br. Along the Platte near Denver and 

 Colorado Springs, Porter. Pleasant Park, Coulter. 



EVOLYULUS ARGEXTEUS, Pursh. Hall it- Harbour, 579. Canon City, 

 Brandegee. Plains of the Platte, Coulter. Colorado Springs, Porter. 



CUSCUTA ARVENSIS, Beyrich. Eng. Monog., Trans, Saint Louis Aead., 

 vol. 1, p. 494. Var. pentagons Eng. /. c., p. 494. Calyx thin and shining : 

 lobes orbicular, as long or longer than the shallow tube of the corolla, 

 forming, where they join, 5 projecting angles. Hall & Harbour, 4G4. 



CUSCUTA DECORA, Eng. 1. c., p. 501. On Psoralea, near Denver, Dr. 

 Smith. Canon City, Brandegee. Plains, Porter. 



CUSCUTA GRONOYII, YVilld. Eng. I c., p. 507. Canon City, Brande- 

 gee. Manitou Springs, Porter ; climbing high on Clematis It gust ic (folia. 

 Foot of the Spanish Peaks, Huertano County, Greene. 



CUSCUTA CUSPIDATA, Eng. I c., p. 509. Inflorescence loosely panicu- 

 late, with many sterile hyaline bracts 011 the pedicels and at the base of the 

 calyx; flowers pediceled, meinbrauaceous, about 2" long; sepals free, 

 imbricate, ovate or orbicular, cuspidate or sometimes obtuse, like the 

 surrounding sterile bracts ; ovary oval, Avith a thick stylopodium ; cap- 

 sule thick and ^landless at the apex ; seeds about 4" long, obovato, 

 compressed, rostrate, with a very short oval, mostly transverse liilum ; 

 withered corolla covering the capsule like a hood. Parry, 273. 



SOLANACEA.E. 



SOLANUM TKIFLOKIM, Xutt. Gen. 1, p. 128. Stem unarmed, herba- 

 ceous, procumbent, hirsutulous ; leaves petiolate, pinnatifid, segments 

 acute, entire, or dentate, with broad sinuses ; peduncles nearly opposite 

 the leaves, 2-3-flowered ; calyx about 5-parted, lobes linear-oblong : 

 corolla small, white, with re volute lobes ; berry globose, about the size 

 of a cherry, when ripe blackish-brown. Buffalo Peaks, Coulter. Colo- 

 rado Springs, Porter. Hall & Harbour, 407. Denver, Dr. Smith. 



SOLANU3I NIGRU3I, L. Canon City, Brandegee. Greene. 



SOLANUM ROSTHATUM, Duiial. DC. Prod., 13, p. 329. Stem herba- 

 ceous, 2-3 high, much -branched, armed with strong, straight, yellow 



