146 



XXVIIL ONAGRACE^. 



[ (EnotJi 



i^era. 



slightly pubescent, stigma entire, root with 

 with scattered leaves. £. B. t. 2000, 



elongated 



scions 



Sides of alpine rivulets. 

 Wales. 



On the Cheviots. 



tains. 



Aber waterfall, JJ 

 Frequent on the Scottish, especially the Highland, moun* 

 1^. 7. — This has many of the characters, in its leaves and 

 stem, of E. montanum and E. roseum ; but the leaves have a flacc'd 

 subpellucid appearance, and the stem is stoloniferous, so that th 

 eye readily distinguishes the species. ^ 



10. E. alpinum L. (alpine TF.) ; leaves elliptical glabrous on 

 short foot-stalks nearly entire, stem nearly glabrous and fruit 

 entirely so, stigma undivided. E. B. t. 2001. 



Wet places near springs, and by the sides of rivulets on all the Hi^h 

 land mountains. %, 7. — Stem 2- * ' " 



4 inches high. 



u- u -.It, • t P ni - - -S*^^^ with scions, 



which are either short with a tuft of leaves or elongated with scattered 



leaves. Stem with two lines of very obscure pubescence, procumbent 

 at the base. ^' ^ ^ 



Flowers seldom niore than I or 2 from the summit of 

 the stalk, at first gracefully drooping, bright purple-red. 

 often as long as the plant itself. 



Fruit erect, 



OENOTHERA 



Evening-Primrose. 



CalAimb deciduous, tubular at the base, deeply 4-cleft up- 

 wards ; the segments reflexed, more or less combined. PetA, 

 Stam. 8. Caps, 4-valved, with many naked 5e-?&. — Named 

 from oivoQ, wine, and ^npa, searching or catching, from the root 

 having caught the perfume of wine. 



(E 



L. 



3 feet high. 



{common E.); leaves ovate-lanceolate 

 toothed, stem somewhat hairy, flowers sessile subspicate, stamens 

 about as long as the corolla, capsules nearly cylindrical 4- 

 toothed. B. B. t 1534. 



Sandy soils near Liverpool, also In Suffolk and Warwickshire. $, 

 7 — 9. — This genus is altogether American. Plant 2- 

 ^tem roughish. Flowers yellow, fragrant, expanding in the evening. 



3. IsNARDiA Linn. Isnardia. 



CalAimh 4-partite, permanent. Pet 4, or wanting. Stam. 4. 

 Stigma capitate. Caps, obovate or cylindrical, 4-celled, nearly 

 dehiscent, many-seeded. Seeds naked. — Named after Ardoine 

 d'Isnard, a botanist and professor at Paris, in the beginning of 



the last century.— As the genus is defined here it includes 

 Ludwigia. 



1. 1. palustris L, {Marsh /.) ; stem procumbent rooting 

 glabrous, leaves opposite ovate acute stalked, flowers axillary 

 solitary sessile apetalous, capsule obovate 4-an^led. E. i?. S. 

 t. 2593. ^ 



South of England, very rare. In a pool at Buxtead, Sussex. Abun- 

 dant in a bog on Petersfield Heath ; also near Brockenhurst, Hants. 





