494 ONAGRACEiE. CE.nothera. 



Fort Gibson, Dr. Leavemvorth ! June. — A remarkable species, with some- 

 what the habit of Q5. biennis. Flowers very numerous. Petals narrowed 

 at the base. Filaments and style almost capillary. Anihers linear. 



J- 7. CE. sinuata [Ijinn.) : pubescent or villous ; stems ascending or decum- 

 ! bent, simple or branching from the base ; leaves oblong or lanceolate, 

 sinuate-toothed or often pinnatifid, the lower ones petioled ; flowers (small) 

 axillary ; calyx villous ; the tube longer than the very hairy ovary, and twice 

 or thrice the lengtli of the segments ; petals al)out tlie length of the stamens 

 and style (pale yellow, turning to rose-color) ; capsules cylindrical or slightly 

 prismatic, elongated, straight or often arcuate. — Linn. ! niant. p. 228 ; Murr. 

 in comm. Goctt. 5. t. 9 ; Willcl. ! spec. 2. p. 309 ; Michx.! fl. 1. p. 224 ; 

 Ell. sTc. 1. p. 443 ; DC. prodr. 3. p. 48 ; Spach ! I. c. Lysimachia comi- 

 culata maritima, &c., Pluk. aim. t. 203, f. 3. 



p. minima (Nutt.) : stem small, 1-flowered ; leaves denticulate or nearly 

 entire. — Hook. ! bat. mag. t. 3392. ffi. minima, Pursh, fl. 1. p. 262, t. 15. 



y. hirsiita : canescently hirsute throughout ; stem stout, erect or ascend- 

 ing. — CE. Mexicana, Spach! Onagr. p. 17. 



6. humifusa : canescent, procumbent ; leaves smaller, sinuate-toothed or 

 almost entire. — QE. humifusa, Nutf. ! gen. 1. p. 245, not oi' Lindl. hot. reg.! 



In fields and grassy places. New Jersey ! to Florida ! Louisiana ! and 

 Texas. /?. In sandy fields, New Jersey ! and Southern States ! y. Texas, 

 Drummond! S. On the sea-shore, Florida, Dr. Baldicin ! Mr. Cozzens ! 

 Dr. Leavenworth ! May-June. — Flowers about the size of those of CE. pu- 

 mila. Calyx-segments often toothed near the tip. Ca])sules 1-li inch in 

 length, obtuse or truncate. Seeds minutely favose. — The var. /?. is a vernal 

 form of the species, growing in barren soil ; y. is a more hairy state, of which 

 we have numerous intennediate forms ; and i. is a maritime variety. 



* * Annual or perennial caulescent herbs : flowers {rather large) nodding before 

 expansion, diurnal, white or flesh-color, turning to rose-color, odorous : tube of 

 the calyx linear, slender : capsule rather coriaceous, linear, prismatic-cylindri. 

 cal, sessile : seeds terete, ascending, arranged in a single row in each cell. — 

 Anogra, Spach. 



8. CE. pinnatifida (Nutt.) : annual, decumbent, jiubescent or puberulent; 

 leaves deeplj'' pinnatifid, with linear or lanceolate acute segments ; the radi- 

 cal ones often nearly entire ; flowers axillary, very large ; segments of the 

 calyx rather shorter than the tube, and much shorter than the broadly obcor- 

 date petals ; style filifonn, shorter than the petals but exceeding the stamens ; 

 stigmas filiform, divaricate, as long as the anthers ; capsules prismatic-cylin- 

 drical, striate-grooved, somewhat tapering towards the apex. — Nutt. ! gen. 1. 

 p. 247, not of 'if. B. Sf K. CE. albicaulis, Pursli, fl. 2. p. 274, not of Nutt. 

 CE. Purshii, Don, syst. gard. Sf hot. 2. |?. 688. 



a. minutely puberulent, and slightly canescent when young. 



p. minutely puberulent and hirsutely pubescent ; floAvers a little smaller. 



Plains of the Platte and Missouri, Bradbury ! Nuttcdl ! Dr. James ! 

 May-June. — Stem low, or sometimes 1-2 feet long. Corolla 2-3 inches in 

 diameter. Anthers long and slender. Capsules about an inch long. " Seeds 

 ovoid, gi'ooved and punctate." Nutt. — Mr. Nuttall now supposes that he 

 formerly confounded two species under this name, and proposes the name of 

 CE. Bradburiana for our var. a. from which the original description seems to 

 have been chiefly taken ; but we are confident that they are foiTns of the 

 same species. 



9. CE. trichocalyx (Nutt. ! mss.) : " perennial or biennial, somewhat ca- 

 nescently puberulent ; stem nearly simple, erect ; leaves all pinnatifid ; the 



