Silenaceae. 
91 
4 (1 ). FIs imperfectly dioecious. Pets linear, undiv., greenish 
yellow, with no signs of a corona. S. Pseudo-Otites Bess.— 
Sandy hills; G. T. W. V. S. 6 . • Otites Sm. 327, 
— FIs hermaphrodite or polygam.-dioecious (hermaphrodite 
and 1-sexual). Pets more or less enlarged towards the 
tip, undiv., 4-toothed or 2-fid, often with a corona 5 
5. Pis densely csespitose. Stem very short or almost 0, 
always 1-fld. (Flowers rose-coloured). Type of S. acaulis (i 
— Pis not densely csespitose. Stem distinct, 10—60 cm and 
more, 1—many-fld ...... 7 
6. Cal. truncate at the base, almost umbilic. Caps, oblong- 
cylindric, almost twice as long (as the cal.-—b. bryoides 
Jord. Cal. narrowed towards the base. Pets not indented. 
Caps, rather shorter.—Alp.; b. Albula, Jaman. 6, 7 
acaulis L. 328. 
— Cal. narrowed into the peduncle. Caps, ovoid, not or 
hardly longer than the cal. Pis very densely csespitose 
like Aretia. FIs smaller and paler than in the last. 
S. polytricoides Zumagl.—High Alp. 7 exscapa All, 329. 
7. Cal. turbinate (short, obconic) 8 
— Cal. tubular, or tubular-campanulate, or clavate . f) 
8. Pets (white) indented. Seed not crested. Ls oval, the 
lower ones narrowed towards the base. Stem dicho- 
tomous-corymbiform.—Bocky places of the Alp. and 
subalp., descending sometimes; rare on limestone; Pass- 
wang in the Jura. 7 rupestris L. 330. 
— Pets 4-toothed. Seed bordered by a spiny crest. Comp, 
genus Heliospermci. 
9. Cal. glabrous ....... 10 
— Cal. pubescent .... ... 11 
10. Pets deeply 2-fid, white above, greenish below. FIs 
isolated or 2 or 3 together, with long peduncles. Ls 
linear. Perenn. pis, csespitose, with thin stems, 10—20 cm. 
— Calc, hills of warm countries; G. T. W. (Sim¬ 
plon). 5 .Saxifraga L. 331. 
— Pets only indented, of a fine rose-colour. FIs numerous, 
in a more or less thickly fascicled corymb. Ls oval- 
oblong. Ann. pis; stem glutinous below the upper joints, 
30—50 cm.—Rocky places, rare; T. W. Y. B.; also cul¬ 
tivated for ornament. 6 . . . . Armeria L. 332. 
11. Pets undiv. with entire or denticulate edges, rarely 
slightly incised, whitish or flesh-coloured or (b. quinque- 
vulnera L.) of a blood-red bordered with white. FIs in 
unilateral spiciform racemes.—Fields, rare and often 
variable. 6. gallica L. 333. 
— Pets 2-fid or 2-partite ...... 12 
