142 EVENING-PRIMROSE FAMILY. 



§ 2. Porte of the Jloiver in fours, or Jives in No. 8. 

 « Ovary and dry nut-Wee fruit Uitk a single omle or seed in each cell. 

 2. GAURA. Herbs with alternate sessile leaves, and small or smallish flowers in 

 racemes or spikes Calvx with slender tube much prolonged beyond the 

 4-oelled ovary. Petals i, on claws, mostly turned toward the upper side of 

 the flower. 'Stamens 8, these and the long style turned town. A little scale 

 before each fihiment. Fruit small, 4-angled or ribbed, 1 - 4-seeded. 

 « * Ovary and frvil mthmany ovules and seeds in each of the cells. 

 ^- Herbs : fruit a chiefly i-celled and i-valved dry pod. 

 +» ++ Seeds furnished with a coma or tuft of long and soft hairs at one end, by which 

 ihey are widely dispersed by the mvd. 



5. EPILOBIUM. Calyx with tube scarcely at all extended beyond the linear 



ovarv. Petals 4. Stamens 8. 

 4. ZAUSCHNKRIA. Calvx extended much beyond the linear ovary mto a fun- 

 nel-shaped tube, with' an abruptly inflated base where it joins the ovary, and 

 with 4 lobes as long as the 4 oblong-obcordate petals, both of bright scarlet 

 color. Stamens 8 and, as well as the long style, projecting. 

 ++ ++ Seeds naked, i. e. without a duwny tuft. 

 = Flowers regular and symmetrical ! calyx-iuie extended more or less beyond the 

 ovary, the lobes mostly reflexed: petals 4. 



6. CLARKIA. Calyx-tube continued beyond the ovary into a short funnel-fdrm 



cup. Petals broad, wedge-shaped or rhombic, sometimes 3-Iobed, raised on 

 a slender claw. Stamens 8, with slender filaments, the alternate ones short- 

 er: anthers curved or coiled after opening, those of the short stamens much 

 smaller, or deformed and sterile. Stigmas 4, oval or oblong. Pod linear 

 and tapering upwards, 4-sided. Flowers never yellow. 



6. EUCHARIDIUM. Calyx-tube much prolonged and slender beyond the ovary. 



Petals wedge-shaped and 3-lobed at summit, tapering into a short claw. 

 Stamens only 4, on slender filaments. Stigmas 2 or 4. Pod oblong-linear. 

 Seeds slightly wing-inargined. Flowers never yellow. 



7. OJNO THKKA. Calyx-tube either much or little prolonged beyond the ovary. 



Petals usuiilly obovate or obcordate, with hardly any claw. Stamens 8. 



Flowers yellow, purple or white. 

 B: = Flowers regular and siiiiimetriinl, but often mthout petals : the calyx-tube not 

 in the least extended beyond the broad summit oj the, ovary, on which Uie 

 green lobes mostly persist : style usually short : stigma capitate. 



8. JUSSI.£A. Stamens twice as many as the lobes of the calyx, petals, and cells 



of the pod: i. e. 8 or 10, rarely 12. 



9. LUD WIGIA. Stamens as many as the lobes of the calyx and cells of the pod, 



almost always 4. Petals 4, often small, or none. 



= = ^ Flower's irregular and UTisymmeti'ical : calyx-tube not extended. 



10. LOPEZIA. Flowers small. Calyx with 4 linear purplish lobes. Petals with 



claws, 4, turned towards tlie upper side of the flower, the two uppermost nar- 

 rower and with a callous gland on the snmniit of the claw, and what seems 

 to be a fifth small one (but is a sterile stamen transformed into a petal) stands 

 before the lower lobe of the calyx. Fertile stamen only one with an oblong 

 anther. Style slender : stigma entire. Pud globular. 

 4- *^ Shi'ubs ; frmt a i-celled berry. 



11. FUCHSIA. Flower's showy; the tube of the highly colored calyx extended 



much beyond the ovary, bell-shaped, funnel-shaped, or tubular, the 4 lobes 

 spreading. Petals 4. Stamens 8. Style long and thread-shaped: stigma 

 club-shaped or capitate. 



1. CIRC^A, ENCHANTER'S NIGHTSHADE. (Named from Circe, 



the enchantress, it is not obvious why ; the plants are insignificant and 



Inert, natives of damp woods, flowering in summer. ) ^ 



C. IiUteti^na, the common species, is l°-2° high, branching, with ovate 

 and slightly tootlied leaves, no bracts under the pedicels, the rounded little 

 fruit 2-celled and besot with bristly hairs. 



C. alplna, common only N. or in mountainous regions, smooth and deli- 

 cate, 3' -6' high, with thin and heart-shaped coarsely toothed leaves, minute 

 bracts, and obovate or club-shaped fruit 1 -celled and soft-hairy. 



