EVENING-PRIMROSE FAMILY. 143 



2. GAURA. (Name in Greek means superb, which those plants arc not; 

 only one of them is worth cultivating. ) Fl. all summer. 



G. Liudheimdri, of Texas, cult, for ornament, nearly hardy N., about 

 3° high, hairy, with lanceolate sparingly toothed leaves, long weak branches 

 producing a continued succession of handsome white flowers ; the calyx hairy 

 outside ; petals nearly 1' long. ^ 



G. biennis, the common wild species, 3° -8° high, soft-hairy or downy, 

 with oblong-lanceolate obscurely toothed leaves, small white or flesh-colored 

 flowers, and downy fruit. ® 



3. EPILOBIUM; willow-herb. (Name compounded of three 

 Greek words, meaning violet on a pod.) Fl. summer. The pods opening 

 give to the winds great numbers of the downy-tufted seeds. ^ 



§ 1. Flowers large and showy, in a long spike or raceme, the widely spreading 



petals on shorty claws, the stamens and long style bent downvmrds, and the 



stigma of 4 lon^ lobes : leaves alternate. 



E. angustif61ium. Great W. or Fire-Weed. One of the plants that 



spring up abundantly, everywhere northward, where forests have.been newly 



cleared and the ground burned over: tall (4° -7° high) and simple-stemmed, 



smooth, with lanceolate leaves, and a long succession of pink-purple flowers. 



§ 2. Flowers small in corymbs or panicles terminating the branches, with petals, 

 stamens, and style erect, a club-shaped stigma, and all the lower leaves 

 opposite : stem 1° - 2° high. 



E. color&tum. Almost everywhere in wet places, fl. through late sum- 

 mer and autumn-, nearly smooth ; with thin lance-oblong leaves generally with 

 purple veins, and purplish petals deeply notched at the end and a little longer 

 than the calyx. 



E. molle. In bogs N., less common, soft downy all over ; leaves crowded, 

 linear-oblong, blunt ; petals i-ose-color, notched, 2" -3" long. 



E. pallistre. In wet bogs N., slender, minutely hoary all over ; leaves 

 linear or lanee-linear, nearly entire ; petals purplish or white, small. 



4. ZATJSCHNERIA. (Named for .^wsoSner, a Bohemian botanist.) y. 

 Z. Califdrniea. Cult, for ornament, from California, flowering through 



late summer and autumn, 1° - 2° high, the oval or lanceolate leaves and the pods 

 with downy-tufted seeds resembling those of Epilobium ; but the handsome 

 scarlet flowers more like those of a Fuchsia : these are single and'sessilo in the 

 axils of the upper and alternate leaves, or at length somewhat raeemcd, about 

 2' long. 



5. CLAEKIA. (Named for Capt. Clark, who with Capt. Lewis made the 

 first ofiicial exploration across the mountains to the Pacific, and brought home 

 one of the species.) Herbs of Oregon and California, with alternate mostly 

 entire leaves, and showy flowers in the upper axils, or the upper running 

 into a loose raceme : cult, for ornament ; fl. summer. (T) 



C. puleh611a. About 1° high, with narrow lanee-linear leaves, deeply 

 3-lobed petals (purple, with rose-colored and white varieties), bearing a pair of 

 minute teeth low down on the slender claw, the lobes of the stigma broad and 

 petal-like. There is a partly double-flowered variety. 



_C. ^legans. Fully 2° high, more commonly flowered in the conservatory, 

 with long branches, lance-ovate or oblong leaves, the lower petioled, lilac-purple 

 entire petals broader than long and much shorter than their naked claw, 

 smaller lobes to the stigma, and a hairy ovary and pod. 



6. EUCHAEf DITJM. (Name from the Greek, means charming.) ® 

 E. OOncinnum, of California, cult, for ornament ; a low and branching 



plant, like a Clarkia in general appearance, except in the long tube to the calyx, 

 and with ovate-oblong entire leaves on slender petioles, and middle-sized rose- 

 purple or wliite flowers, in summer. 



