170 
Onagracese. 
— Young fls and branch-tips drooping. Ls oval-oblong 
(broader below the middle), distinctly petioled. (Stem 
with a close pubescence.) Type of E. montanum . 9 
6. Fls large, 16—20 mm long. Ls clasping, slightly de¬ 
current. Stem very branchy, covered with long spread¬ 
ing hairs, and small, gen. glandular, hairs, (which are 
sometimes wanting).—Ditches: river-side thickets; dis- 
trib. 6.hirsutum L. 814. 
— Fls much smaller, about 10 mm long. Ls neither clasp¬ 
ing nor decurrent. Stem simple or not much branched, 
villous with spreading hairs, rarely almost glabr.— 
Ditches, damp woods; everywhere. 6 
parviflorum Schreb. 815. 
7. Rt-stock with fleshy stolons (as in 824). Cal.-lobes 
acute.—V. 0. (Jura near Geneva: wanting in the Alp.) 7 
Duriaei Gay. 816. 
— Rt-stocks with rosettes supported by small stems. Cal.- 
lobes obtuse ........ 8 
8. Stem simple or not much branched, 30—60 cm. Ls shortly 
petioled, rather distant.—Rather shady places; walls, 
ditches, woods; everywhere. 6 . montanum L. 817. 
— Stem gen. much branched from the base. Ls very shortly 
petioled, crowded, broader and less acuminate in propor¬ 
tion than the last. PI. smaller in every particular.—Walls 
and rocks, especially on granite earth, not on calc.; 
G. O. T. W. Y. U. A. 6 . . coilinum Gmel. 818. 
9 (4). Stem without prominent lines, or only with 2 more 
thickly hairy streaks decurrent from the edges of the ls. 
Seed fusiform (narrowed at both ends). Rt-stock with elong¬ 
ated, filiform stolons. Ls narrow-lanceolate, or linear, 
rather obtuse, almost entire, sessile with cuneiform base. 
—Var.: Ls narrower (v. simplex Tratt.) and broader 
(v. Schmidtianum Rostk.)—Marshy fields, peat-moss; fairly 
distrib. 6.palustre L. 819.*) 
— Stem marked with 2—4 lines which are often hairy and 
decurrent from the edges of the ls or petioles. Seeds 
obovate or obovate-oblong ..... 10 
10. Ls all with distinct and long petioles, thin, oblong, 
pointed at both ends. Fls pale rose or white. Stem 
branchy. E. tetragonum L. herb.—Damp walls, ditches; 
distrib. 7.roseum Schreb. 820. 
— Ls sessile or very shortly petioled . . . 11 
11. Ls 3—4 in a whorl, rarely opp., slightly rounded at the 
base, lanceolate, acuminate. Stem almost simple. Fls of 
a light purple, larger than in the allied species.—Alp., 
subalp. and Jura. 7 .' . trigonum Schrank. 821. 
*) Hitherto regarded as a mountain form •with large fls, more glabrous, 
and branched: E. ramiflorum Heg. 
