142 ETENING-PRIMEOSK FAMILY. 



. ■ •, , §2. Parts of the flaicer in foiirt, or fvea in No. 8. 

 « Ovary and dry nut-like fruit taith a single omile or seed in each cell. 

 2. GAUR A. Herbs with alternate sessile leaves, and small or smallish flowqrs in 

 -racemes or spikes. Calvx with slender tube much prolonged beyond the 

 4-celled Ovarv. Petals 4, 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 filament. Fruit small, 4-angIed or ribbed, 1 - 4-seeded. 

 w # Ovary and fruit with many omles and seeds in each of the cells. 

 H- Herbs: fruit a chiefly t-celled and i-valveddry pod. 

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



they are widely dispersed by. the wind. 

 8. EPILOBIUM. Calyx with tube isoarcely at all extended beyond the Jinear 



ovary. Petals 4. Stamens 8. . ^ r 



4. ZAUS'CHNERIA. , Calyx extended much beyond the linear ovary into 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-oboordate petfils, both of bright scarlet 

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

 *.* ** Seeds naked, i. e. without a downy tuft. 

 — Flowers regular and symmetrical: calyx-tube extended more or less beyond the 



ovary, the lobesmostlij reflexed; petals i, 

 6. CLARKIA. Calyx-tube continued beyond the ovary into a short fnnnel-form 

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

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

 er: antheis curved or coiled after openingi 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-Iobed at summit, tapering into a short claw. 

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

 Seeds slightly wing-margined. Flowers never yellow. 



7. (ENOTHERA. Calyx-tube either much or little prolonged beyond the ovary. 



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



Flowers yellow, purple or white. 

 = = Flowers regular and symmetrical, but often tuilJiout petals :. the calyx-tube mt 

 in the least' extended beyond the broad summit of the ovary, on which tlie 

 green lubes 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. LUDWltrlA. Stamens as many as the lobes of the calyx and cells of the pod, 



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



= = ^ Flowers irregular and unsymmetHcal ; calyx-tube not extended. 



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



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

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

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

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

 anther. Style slender: stigma entire. Pod globular. 

 4- H— Shrubs : fruit a i-celled berry. 



11. FUCHSIA. Flowers 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. StjUe long and thread-shaped: stigma 

 club-shaped or capitate. 



1. CIKC^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. ) y, 



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

 and slightly toothed leaves, no bracts under the pedicels, the rounded littlo 

 fruit 2-celled and beset 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. 



