144 EVENING-PKIMKOSE FAMILY. 



7. CENOTHEEA, EVENESTG-FRIMKOSE. (Name from Greek words 

 for wine and hunt ; application obscurej Very many species, all originally 

 American, arid most of them from the tJ. S., especially from S; W. and W. 

 The following are the principal common ones, both wild and cult, for 

 ornament : fl. summer. (Pollen-grains loosely connected by cobwebby thi-eads, 

 strongly 3-lobed. See Lessons, p. 115, fig. 250.) 



§ 1. Stigmas 4, long and slender, spreading in the form of a cross : tube of the 

 calyx ^beyond' the ovary long and mostly slender, 



« Tellow-flowered EvENiNG-PRiiuROSES, properly so-called, the flowers 

 opening (usually suddenly^ in. evening twilight, and Jading.dway when, sun- 

 . ; smne returns, odorous ; the yellow petals commonly obcardate. , 



t- Stems elongated and leafy : pod cylindrical or spindle-shaped, sessile. ® ® 



CE. biennis, Common E. Wild in open grounds, and the large-flowered 

 forms cult, for ornament ; erect, 2° - 5° high, hairy or sraoothish, with lance- 

 oblong leaves entire or obscurely toothed, flowers at length forming a terminal 

 leafy-bracted spike, and petals obcordate. Euns into several varieties, of wllich 

 the'largest and finest now cultivated is 



Var. Ijainarcki&,na, from S. W., which is tall and stout, with corolla 

 3' -4' in diameter : the sudden opening at dusk very striking. 



03. rhombip^tala. Wild on our western limits ; more slender, hoaiy, 

 1° - 3° high, the rather small flowers with rhombic ovate and acute petals. 



CE. Drummdudii, cult, from Texas ; has its stems spreading on the 

 ground, and large flowers, like those of the first, in the upper axils, the lanco- 

 ovate leaves, &c. soft-downy. 



, CE. sinu^ta. Wild from New Jersey S., in sand,y: ground; low and 



Spreading, hairy, with lance-oblong sinuate or pinnatifid leaves, small flowers 



in their axils, pale yellow petals turning rose-color in fading, and slender pods. 



-I- -1- Stems short and prostrate or scarcely any : pod short, i-winged. 



CE. triloba. CJult. from Arkansas : leaves pinnatifid and cut, like those 

 of Dandelion, smooth, all in a tuft at the surface of the ground, on the .short 

 crown, whieh in autumn is crowded with the almost woody pyramidal -ovate 

 narrowly 4-winged sessile pods, forming a mass 3' -5' in diameter; -flowers 

 rather small, the slender tube of the calyx 4' - 5' Ibng, its lobes about as long 

 as the obscurely 3-1'obed or notched pale^yellow petals, 'which turn pui-plish in 

 fading. ® ® 



CE. Missouridnsis, the greener-leaved form also called CE. macrocAbpa. 

 Cult, from Missouri and Texas ; finely hoary or nearly smooth, with many 

 short prostrate stems 2'- 12' long from a thick woody root, crowded lanceolate 

 entire leaves, very large and showy flowers in their axils, opening before sun- 

 set ; the tube of the calyx somewhat enlarging upwards, 6' - 7' long ; the 

 bright-yellow corolla 4' - 6' across ; pod with 4 very broad wings. ^ 



» » White-flowered Evening-Primroses, usually turning rose-colored in 

 fading, some of them opening in the daytime : petals broadly obovate or ob- 

 cordate : flower-buds commonly nodding. 



CE. taraxicifblia (probably a variety of CE. ACAti.is), from Chili ; rather 

 hairy, at first stemless, at length forming prostrate stems, with pinnatifid or 

 pmnate leaves, after the raajincr of Dandelion (as the name denotes), and very 

 largo flowers in the axils, tube of calyx 3' - 4' long, corolla 3' - 5' across, and a 

 woody obovate and. sharply 4-angled sessile pod. ® 



CE, speci6sa, Nutt., of Arkansas and Texas, not hardy in cult. N. ; 

 pubescent, with erect and branching stems 6'- 20' liigh, lance-oblong cut-toothed 

 leaves, the lower mostly pinnatifid ; flowers somewhat racomed at the summit, 

 and opening in the daytime ; calyx-tnbe rather club-shaped and not much longer 

 than the ovary ; corolla 3' - 4' across ; pod club-shaped. 2/ ,- 



(CE. maroinXta, a tufted mostly stemless species, with lanceolate and often 

 pinnatifid toothed soft-liairy leaves, ftnd pcduncled oblong-cylindrical rouo-hish 

 pod.i ; CE. triciiocXltx, soft-hairy, conspicuously so on the calvx, "with 

 deeply obcordate pkals, long-linear pods with a thicker closely sessilebase and 

 smooth seeds ; OE. ALBiCAtLiB, with ascending stems; smooth or slightly hoai-y. 



