ONAGRARI.E. VII. CENOTHERA. 



689 



flowers disposed in a kind of raceme ; petals obovate, hardly 

 longer than the limb of the calyx ; capsule clavate, 10-angled, 

 the alternate angles broadest. Q. H. Native of Peru, in 

 fields, and among rubbish. Flowers purple. There is a variety 

 of this with nearly entire leaves. 



Twiggy Evening Primrose. Fl. Ju. Jul. Clt. 1823. PI. pr. 



62 CE. SUBULA'TA (Ruiz, et Pav. fl. per. p. 82. t. 316.) leaves 

 subulate, long, villous ; petals bifid ; capsule clavate, tetragonal, 

 winged above, mucronate ; valves broad, somewhat 3-winged at 

 the apex. Q. H. Native of Chili, in dry fields. Flowers 

 purplish-red. 



Subulate-]ea\ r ed Evening Primrose. PI. \ to -| foot. 



63 CE. ROSEA (Ait. hort. kew. ed. 1. vol. 2. p. 3. ed. 2. vol. 2. 

 p. 343.) shrubby ; stem branched ; branches twiggy ; leaves 

 elliptic, attenuated at both ends, toothed, lower ones lyrate ; 

 tube of calyx short ; petals obovate-roundish ; genitals 

 shorter than the corolla ; capsule clavate, 8-angled. T? . F. 

 Native of Mexico. Curt. bot. mag. 347. CE. purpfirea, Lam. 

 diet. 4. p. .504. CE. rubra, Cav. icon. 4. p. 68. t. 400. Flowers 

 red, about the size of those of Epilobium angustissiminn. 



A'ose-coloured-flowered Evening Primrose. Fl. May, Au". 

 Clt. 1783. Shrub 1 to 2 feet. 



64 CE. TUBIFLORA (Moc. et Sesse, fl. mex.icon. ined. t. 377.) 

 root rather fusiform ; stems depressed ; leaves linear-oblong, 

 acute, somewhat denticulated ; tube of calyx very long : petals 

 obcordate ; stamens longer than the stigmas ; fruit unknown. 

 I/ . F. Native of Mexico. Flowers rose-coloured. This is a 

 very distinct species, but from the fruit being unknown it is 

 doubtful whether it belongs to the present section. 



Tube-flowered Evening Primrose. PI. ^ foot. 



* '* Flowers yellow. 



65 CE. TRI'LOBA (Nutt. in journ. acad. philad. 1821. p. 118.) 

 stemless ; leaves interruptedly pinnatifid, toothed, glabrous ; 

 petals obovate, slightly 3-lobed at the apex, the middle lobe mu- 

 cronate; capsules almost 4-winged, large, sessile at the root. 

 O- H. Native of North America, in arid fields on the banks of 

 the Red River, and of Louisiana. Sims, bot. mag. 2566. CE. 

 rhizocarpa, Spreng. syst. 2. p. 230. Flowers radical, pale yel- 

 low, sweet-scented in the evening. Tube of calyx very long. 



T/iree-lobed-peta\led Evening Primrose. Fl. May, Sept. Clt. 

 1822. PL to foot. 



66 CE. PINNATI'FIDA (H.B. et Kunth, nov. gen. amer. 6. p. 

 91.) stem erect, branched at the base ; leaves pinnatifid, pubes- 

 cent ; capsule 8-angled, somewhat 4-winged, on short pedicels. 

 "H. F. Native of Mexico, about Actopan. Flowers yellow, 

 about the size of those of Epilobium hirsulum, axillary at the 

 tops of the stem and branches. 



Pinnatifid-leaved Evening Primrose. PI. 1 foot. 



67 CE. MACHOCA'RPA (Pursh. fl. amer. sept. 2. p. 734.) 

 stem simple, prostrate, downy ; leaves lanceolate, quite entire, 

 or glandularly denticulated, with the margins and nerves covered 

 with white silky down ; petals broad, obcordate ; stamens 

 arched, shorter than the corolla ; lobes of stigma cylindrical, 

 blunt; capsule large, sessile, oblong, 4-winged. 3/.H. Native 

 of North America, on the banks of the Mississippi, near St. 

 Louis. Sweet, fl. gard. t. 5. Stem purplish. Corolla large, 

 yellow. Calyx spotted with red; tube long. 



Large-fruited Evening Primrose. Fl. June, Aug. Clt. 1811. 

 PL prostrate. 



68 CE. MISSOURIE'NSIS (Sims, bot. mag. t. 1592.) stems sim- 

 ple, downy, decumbent ; leaves lanceolate, tapering to both ends, 

 marginate and slightly ciliated ; petals broad, obcordate, with a 

 notch in the recess; capsule 4-win-jed, slightly pedicellate. 

 j;.H. Native of North America. CE. alata, Nutt. gen. amer. 



VOL. II. 



1. p. 346. Corolla large, yellow. Calyx spotted as in OE. ma- 

 crocarpa. Leaves sometimes glandularly denticulated. 



Missouri Evening Primrose. Fl. Ju. Sep. Clt. 1818. PI. I ft. 



69 CE. GLAU'CA (Michx. fl. bor. amer. 1. p. 224.) plant quite 

 glabrous, decumbent, glaucous ; leaves ovate, repandly denticu- 

 lated ; limb of calyx longer than the tube ; petals large, obcordate, 

 erose ; genitals shorter than the corolla ; capsules ovate, tetra- 

 gonal, thick, short. I/. H. Native of North America, in 

 woods west of the Mississippi. Sims, bot. mag. 1606. Flowers 

 pale yellow. 



Glaucous Evening Primrose. Fl. June, Oct. Clt. 1812. PL 

 1 to 2 feet. 



70 CE. HY'BHIDA (Michx. fl. bor. amer. 1. p. 225.) stem 

 erect, villous ; leaves pubescent on both surfaces, lanceolate, re- 

 motely toothed ; flowers on short pedicels ; bracteas wanting or 

 subulate ; capsules ovate, tetragonal, disposed in something like 

 spikes. 7;. H. Native of Upper Carolina. Flowers yellow. 

 There is a variety of this plant with glabrous leaves. 



Hybrid Evening Primrose. Fl. Ju. Oct. Clt. 1813. PL 1 ft. 



71 CE. FRUTICOSA (Lin. spec. 492.) stems erect, brownish, 

 glabrous, or pilose ; leaves ovate-lanceolate, denticulated, pilose, 

 or glabrous ; racemes spicate, leafy, nakedish at the base ; petals 

 broadly obcordate, erose, twice the length of the stamens ; cap- 

 sule clavate, pilose, 8-angled, 4 of the angles winged. if.H. Na- 

 tive of Virginia and Canada. Curt. bot. mag. t. 332. CE. Ca- 

 nadensis, Goldie, in edin. phil. journ. 1821. p. 7. Flowers 

 large, deep yellow. Stem branched at the apex. 



Shrubby Evening Primrose. Fl. June, Sept. Clt. 1737. 

 PL 2 to 3 feet. 



72 CE. SEROTINA (Hort. ex Sweet, fl. gard. 184.) stems as- 

 cending, branched, pubescent ; leaves lanceolate, acute, denti- 

 culated, glabrous, attenuated at the base ; petals wrinkled or 

 plaited ; capsule pedicellate, 4-winged, oblong, pubescent ; seg- 

 ments of stigma blunt, spreading. 1. H. Native of North 

 America. Flowers yellow. Habit procumbent and branching. 



Zafc-flowering Evening Primrose. Fl. Aug. Sept. Clt. 1820. 

 PL procumbent. 



73 CE. AMBI'GUA (Spreng. syst. 2. p. 229.) stem simple, 

 pilose ; leaves ovate-lanceolate, acute, denticulated, dotted ; ca- 

 lycine segments short ; capsule sessile, clavate, 4-winged. I/ . H. 

 Native of Pennsylvania. CE. fruticosa ft, ambigua, Nutt. gen. 

 amer. 1. p. 247. Flowers yellow. 



Ambiguous Evening Primrose. Fl. June. Aug. Clt. 1818. 

 PL 1 to lifoot. 



74 CE. FRASE'RI (Pursh, fl.amer. sept. 2. p. 734.) smoothish ; 

 stems simple at the base ; leaves ovate, glandularly denticu- 

 lated ; tube of calyx longer than the ovarium ; petals obcordate, 

 broad, erosely undulated ; capsule obovate, thick, tetragonal. 

 I/. H. Native of South Carolina. Sims, bot. mag. 1674. 

 Flowers yellow. 



Fraser's Evening Primrose. Fl. Ju. Oct. Clt. 1811. PL 1 ft. 



75 CE. TAKQUE'NSIS (H. B. et Kunth, nov. gen. amer. 6. p. 

 91.) procumbent; leaves lanceolate-oblong, acute, narrowed at 

 the base, nearly quite entire, puberulous ; petals obovate-round- 

 ish, retuse t genitals shorter than the corolla ; capsules very 

 nearly sessile, 4-winged, bluntly truncate at the apex. If. . F. 

 Native of South America, near the town of Quito, in the valley 

 of Tarquo, at the height of 4000 feet above the level of the 

 sea. Flowers yellow. Like CE. pumila, but differs in the 

 leaves being broader and puberulous, and in the calyxes, cap- 

 sules, and ovaries being clothed with silky down. 



Tarquo Evening Primrose. PL procumbent. 



76 CE. PU'MILA (Lin. spec. 493.) stems usually simplish, as- 

 cending, rather pilose ; leaves lanceolate, quite entire, obtuse, 

 a little ciliated ; flowers subspicate, on short pedicels ; petals 

 obcordate, rather longer than the genitals ; capsule clavate, 8- 



