264 LV. ONAGRACE^E. CLARKIA 



4. CE. CHRYSANTHA. Michx. Golden Evening Primrose. 



St. ascending, slender ; Jls. small, crowded, spicate ; calyx tube equal io 

 length to the ovary, longer than the segments ; pet. broadly obovate, emarginate, 

 longer than the stamens; caps, smooth, pedicellate, clavate, the alternate angles 

 slightly winged. (g) Western N. Y. to Mich. Stem 12 18' long, purple. 

 Leaves lanceolate, obtuse, attenuate at base, denticulate, radical ones spatulate. 

 Flowers 5" diam., orange-yellow. Jn. Jl. 



5. CE. LINEARIS. Michx. 



St. slender, often decumbent at base, much branched ; Ivs. linear-lanceo- 

 late, obtuse, somewhat denticulate ; Jls. large, in terminal corymbs ; calyx tube 

 longer than the ovary ; pet. longer than the stamens ; caps, canescent, with 

 slightly winged angles, tapering at base. 7J. Montauk Point, L. I. Torrey, to 

 Flor. ! and La., rare. Stem 1 2f high. Flowers yellow, 1' diam. Capsules 

 obovoid, tapering to a slender pedicel. May Jl. 



6. CE. SINUATA. 



St. pubescent, diffusely branched or subsimple, assurgent ; Ivs. pubescent, 

 oblong-oval, sinuate-dentate or incised; Jls. axillary, solitary, sessile; cat. vil- 

 lous, the tube longer than the ovary; caps, prismatic. (I) Fields, N. J. to La. 

 Stems 3 8' high. Leaves often 'pinnatifid. Flowers about ' diam., terminal, 

 yellow. 



0. minima. Nutt. (CE. minima. Ph.) Low, simple, 1-flowered; Ivs. nearly 

 entire. Pine barrens, N. J., &c. 



7. CE. SPECIOSA. Nutt. Minutely pubescent, mostly erect and branched ; 

 Ivs. lanceolate, attenuate at base, lower ones petiolate ; Jls.^ large, in a long, 

 loose spike ; calyx tube longer than the ovary ; caps, obovoid-clavate, pedicel- 

 late. Tj. From Ark. and Tex. Stem 2 3f high. Flowers white or rose-colored, 

 fragrant, f 



8. CE. RIPARIA. Nutt. 



Nearly smooth ; st. erect and virgately branched; Ivs. linear-lanceolate, 

 obscurely and remotely denticulate, somewhat petiolate ; Jls. in a long raceme ; 

 calyx tube much longer than the ovary ; caps, oblong-ovoid, 8-grooved ; valves 

 dorsally ridged. Swamps, diiaker Bridge, N. J., &c. Stem 2 3f high, slen- 

 der, and often with virgate branches. Leaves 24' by 2 4", almost entire, 

 thick, obtuse. Flowers l' diam., yellow, scentless. 



9. CE. MISSOURIENSIS. Sims. 



Simple, decumbent ; Ivs. coriaceous, lanceolate, acute, or short-acumi- 

 nate, petiolate, subentire, downy-canescent when young ; Jls. very large, axilla- 

 ry ; calyx tube 3 or 4 times longer than the ovary ; caps, very large, oval, de- 

 pressed, with 4 winged margins. Dry hills, Mo. ! Remarkable for the mag' 

 nitude of its flowers and fruit. Petals yellow, 2 3' long. Calyx tube 4 T 

 long ! Capsule 2' long. Seeds large, crested, in one row in each cell. Jl. Oct. -f 



3. CLARKIA. Ph. 



In honor of Gen. Clark, the companion of Lewis across the Rocky Mountains. 



Calyx (deciduous) tube slightly prolonged beyond the ovary, limb 

 4-parted ; petals 4, uuguiculate, 3-lobed or entire, claws with 2 mi- 

 nu f c teeth ; stamens 8; style 1, filiform; stigma 4-lobed ; capsule 

 largest at base. 4-eelled, 4-valved ; many seeded. Annual herbs (from 

 Oregon and California) with showy , axillary flowers. 



1. C. PULCHELLA. Ph. Beautiful Clarkia. Lvs. linear-lanceolate; pet. 

 large, broadly cuneiform, tapering into a slender claw, with 2 reflexed teeth, 

 limb with 3 spreading lobes ; alternate sta. abortive ; caps, pedicellate. Gar- 

 dens. A handsome annual, with lilac-purple or white flowers, of easy culture, f 



2. C. ELEGA-NS. Lindl. Elegant Clarkia. Jjvs. ovate-lanceolate, denticu- 

 late, on short petioles; pet. undivided, rhombic or triangular-ovate, with a 

 toothless claw ; sta. all fertile, with a hairy scale at the base of each ; stig. 

 hairy ; caps, subsessile, hairy. Gardens. Flowers smaller than in the last. Pe- 

 nls and stigma purple. Hairs at base of stamens red. f 



