Vou. II.J SAXIFRAGE FAMILY. 
1. Saxifraga oppositifolia L. Purple or 
Mountain Saxifrage. (Fig. 1823.) 
Saxifraga oppositifolia \,. Sp. Pl. 402. 1753. 
‘Tufted, stems prostrate, densely leafy, 2’—10’ long. 
Leaves sessile, ovate, obovate or nearly orbicular, 
purplish, persistent, keeled, fleshy, opposite, or im- 
bricated in 4 rows on the sterile shoots, obtuse, 
punctate with 1-3 pores, 1’/-214’” long, the margins 
ciliate; flowers solitary, peduncled or nearly sessile, 
4//-6’’ broad; calyx-lobes obtuse, much shorter than 
the obovate purple petals; calyx free from the ovary 
and capsule; follicles abruptly short-pointed; seeds 
rugose. 
On wet rocks, Mt. Mansfield and Willoughby Moun- 
tain, Vt.; Anticosti, Newfoundland and throughout 
arctic America to Alaska, south in the Rocky Moun- 
tains to Wyoming and to Oregon. Also in Europe and 
Asia. Summer. 
2. Saxifraga aizoides L. Yellow Moun- 
tain Saxifrage. (Fig. 1824.) 
Saxifraga aizoides 1,. Sp. Pl. 403. 1753. 
Tufted, glabrous, stems leafy, 2’-6’ high. Tyeaves 
alternate, linear, thick, fleshy, mucronate-tipped, 
narrowed at the base, sessile, 4’/-9’’ long, 1/’-1%4/’ 
wide, the margins often sparingly ciliate; flowers 
several, corymbose, 4/’-7/’ broad; pedicels rather 
slender; petals oblong, yellow and sometimes spot- 
ted with orange, exceeding the ovate-oblong calyx- 
lobes; carpels abruptly acuminate; base of the cap- 
sule adnate to the calyx; seeds minutely rugose. 
On wet rocks, Newfoundland and Labrador to Ver- 
mont and western New York, west through arctic 
America to the Rocky Mountains, south to Michigan. 
Also in alpine and arctic Europe and Asia. Summer. 
Also called Sengreen Saxifrage. 
3. Saxifraga Hirculus L. Yellow Marsh 
Saxifrage. (Fig. 1825.) 
Saxifraga Hirculus I, Sp. Pl. 402. 1753. 
Erect from a slender caudex, glabrous or somewhat 
pubescent, simple, leafy, 4’/-10’ high. Leaves alter- 
nate, oblong or linear-oblong, entire, %/-114’ long, the 
lower petioled, the upper sessile; flower terminal, solitary 
(rarely 2-4), bright yellow with scarlet spots, 4/-1/ 
broad; calyx-lobes oval or oblong, obtuse, reflexed; 
petals erect or ascending, obovate or oblong, about 3 
times as long as the calyx-lobes; capsule free from the 
calyx or nearly so, about 4’ long, its beaks at length 
diverging. 
In bogs, Labrador and arctic America. Also in northern 
and alpine Europe and Asia. Summer. 
