ONAGRACri^. S3 



petioles. Flowers erect. Coma of the seed much lighter in 

 odour. — Common in wet places. 



3. (ENOTIIK'KA, L. EVENING Pkimkose. 

 * Stigma-lobes- linear. 



1. (E. bien'nls, L. (Common Evenino Primrose.) Stem 

 2-4 feet high, hairy. Leaves ovate-lanceolate. Flowers 

 yellow, odorous, in a leafy spike, opening in the evening or 

 in cloudy weather. Pods oblong, narrowing towards the 

 top. — Waste places. 



Var. grandiflo'ra, Lindl., has petals as long as the 

 calyx-tube. 



Var. muriea'ta, Lindl. has rough-bristly stem and pods, 

 and petals rather longer than the stamens. 



2. (E. albicau'liS, Nutt. Flowers white, changing to 

 rose-colour, nodding in the bud. Stem white, and common- 

 ly glabrous. — N. W. 



3. (E. pu'mila, L. (SmaIiLE.) Stemlo'W,5-lSincJieshigh, 

 smooth or nearly so. Leaves Ir.nceolate or oblanceolate. 

 Pods nearly sessile, club-shaped, 4-angled. Flowers pale 

 yellow, opening in sunshine. — Eiver and lake margins. 



4. Gl. Chrysan'tha, Michx. Distinguished from the pre- 

 ceding by the orange-yellow flowers, and pedicelled pods, the 

 latter scarcely wing-angled. — Drier ground than the pre-- 



ceding. 



* * Stigma discoid. 



5. (E. serrula'ta, Nutt., var. Doug'lasii, Torr. and Gray. 

 A low and slender plant, with linear to lanceolate leaves. 

 Calyx-tube broadly funTiel-f or m. Petals obovate. — N.W. 



4. GAIIKA, L. 



G. eoeein'ea, Nutt. Hoary and very leafy, 6-12 inches 

 high. Flowers small, in simple spikes. — N. W. 



5. lUDWIG'IA, L. False Loosestkife. 

 1. L. palustris. Ell. (Water Purslane.) Stems creep- 

 ing in the mud of ditches or river margins, smooth. Leaves 

 opposite, tapering into a slender petiole. Flowers sessile, 

 solitary, usually without petals. Pod 4-sided. 



