- X 
1OU Saxifragacese. 
— Ls without glands. Fr. red, acid or bitter . . 4 
4. Cal.-tube wide cup-shaped; cal.-lobes not ciliate. Red- 
or white-currant.—Cultivated and sometimes subspont- 
aneous. 4 .t rubrum L. 892. 
— Cal.-tube campanulate; cal.-lobes ciliate; 1.-divisionsmore 
acute than in the last.—FIs reddish. Fr. larger and later. 
—Alp., subalp and Jura; also cultivated and then the 
fls less coloured). 4, 5 . . . petrseum Wulf. 893. 
I 
49. Saxifragaceae. 
210. Saxifraga. Saxifrage. X, 12. 
1. Ls having at the edges, or at least at the top, chalk- 
secreting pits. (Ls entire) ..... 2 
— Ls without chalk-secreting pits or in 908 and 909 with, 
even when young, a small dimple, without the chalky 
scale ......... 12 
2. Cauline ls opp. Fls rose or lilac . ... 3 
— Caul, ls altern. Fls white (sometimes spotted with red) 
or yellow . . . . . . . 7 
3. Cal.-lobes with glabr. edges. Ls wdth 3—5 spots at the 
triangular tip.—Alp.; on the southern side of Mont Rosa. 7 
*retusa Gouan. 894. 
— Cal.-lobes ciliate. Ls with 1 spot (rarely 3) at the tip 4 
4. Fls solitary; ring-shaped disk 0 or very narrow. Ls 
crowded. Type of 8. oppositifolia .... 5 
— Fls 2—5 (—9); ring-shaped disk fairly broad. Ls rather 
distant. Type of S. bijlora ..... 6* 
5. Cilise of the cal.-lobes not glandiferous. —Debris of the 
Alp. and higher peaks of the Jura (Reculet and Dent de 
Yaulion); brought down by water to the shores of the 
Lake near Constance. 6 oppositifolia L. 895. 
— Cilise of the cal.-lobes glandiferous. PI. more csespitose 
than the last. Ls shorter.—High Alp; G. W. 0. 7 
Rudolphiana Hornsch. 896. 
6. Pets lanceolate, 3-nerved. S. Hornungii Shuttlw. — Debris 
of the Alp. 7.biflora All. 897. 
— Pets broad elliptic, 5-nerved. Fls larger than in the last. 
S. macropetala Kern. — As the last and confounded with 
it; the localities of the 2 species have yet to be verified. 7 
Kochii Horng. 898. 
7 (2). Ls ligulate, toothed, surrounded by a line of pores. 
Stem 15—60 cm . . . . . • . . 8 
— Ls almost 3-cornered, entire, with 5—7 pores. Stem 
5—12 cm . 10 
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