fENOTiiERA. ONAGRACEiE. 501 



sules pcdicelled, very large, soniewliaf comprossrd, with 4 brnad winps. 



Sims, hoi. mair. t. 1592. G*] . inacrof-arpa, Pursli,JI.. 2. p. 734 ; DC. jnodr. .'!. 

 p. 47 ; Sweet, Brit.jl. frard. t. 5. CE. alata, ISult. I fren. \.p. 248. Mcga]»- 

 teriiim Missoiiriciiso & NiUtallii, SpitcJi, Oiuifir. p. 31. 



Dry liills, tliroii<,di()ut Missouri ! and on the Canadian River, Dr. .Tames t 

 •Tuly-Oct. — Stems low. Tube of the calyx 4-7 inrhcs in lenjrth; the sec;- 

 ments acuminate, often spoiled with purpU;. Corolla 4-(j inches in di- 

 ameter; the ])Ctals very ])road, light yellow, with orange veins. Capsule 2 

 inches in lengili, and about the same breadth, including the wings ; but 

 exclusive of the wings only a quarter of an inch in diameter. Seeds large; 

 the undulate crest conspicuous, especially at the chalaza. 



§ 2. Sligma dilated, disciform, obscurely 4-lohcd : tube of the calyx much 

 produced, trumpet-shaped ; the segments short, not carinate : petals broadly 

 rhombic-ovate, erose-crenulate : stamens erect, slightly unequal : anthers ob- 

 long-linear, fixed near the middle, versatile : capsules short, cylindrical, 

 sessile : seeds in a double series, horizontal : stems svffrutesccnt : flcnvers 

 (rather large, nocturnal?) yellow turniyig to rose-color, erect before expa7i- 

 sion. — Salpingia. 



27. CE. lavandultefolia : suffruticose, low, decumbent, somewhat canescent ; 

 leaves crowded, linear, entire, obtuse; tube of the calyx tubular-infundibuli- 

 form, many times longer than the ovary and the ovate-lanceolate slightly acu- 

 minate segments ; petals rhombic-ovate, crenulate, longer than the stamens ; 

 stigma discoid; capsules sessile, C3'lindrical, canescent. 



Plains of the Platte, Dr. James ! Nultallf (" near Scott's Bluffs.")— Root 

 large, woody. Stems simple, about a span in length. Tube of tlie calj-x 

 about 2 inches long. (Seeds in two rows in each cell, horizontal. Null.) 

 — Very nearly allied to the Mexican Q£.. Hartwegi, BenOi., which is a more 

 glabrous ])lan't, with narrower leaves, a more slender calyx tube, and subu- 

 late-acuminate segments : the stigma however is similar. We have not 

 seen the fruit of either species. 



§ 3. Stigma disciform, crenulate: tube of the calyx infundibuliform, strongly 

 A-nerved, shorter than the ovary : the segments carinate with the mid-nerve : 

 petals obovate, erose-crenulate : stamens short, erect : the f laments opposite 

 the j)etals shortest : anthers oblong, fixed by the middle, versatile : capsules 

 cylindrical, linear, sessile, coriaceous, nearly even : seeds ascending, in a 

 double series: the testa thin: stems svffrutescent at the base: flowers {rather 

 small, diurnal ?) yellow, erect before expansion. — Calylophis, Spacli. 



7^28. CE. serrulafa (Nutt.) : stems suffruticose, slender, ascending ; leaves, 

 rigid, linear, lanceolate or oblanceolate, attenuate at the base, irregularly and 

 sharply denticulate-serrate : flowers axillary ; petals obovate, undiilate- 

 crenulate, inserted by a broad base, much longer than the statnens and the 

 carinate calyx-segments; stigma discoid; capsules cylindrical or slightly 

 prismatic, slender, somewhat 4-grooved. — Calylophis ISuttallii ! Druni-. 

 mondiana ! & Berlaqdieri ? Spach, Onagr. p. 17. 



a. NuttaUii : low, simple or branched ; young shoots, leaves, and capsulea 

 minutely canescent ; leaves oblong-linear, somewhat acute, with short irre- 

 gular serratures ; capsules pubescent. — CE. serrulata, Ntitt. ! gen. 1. p. 246; 

 Torr.! in ann. lye. NeioYork, 2. j). 201. 



