Vou. II.] SAXIFRAGE FAMILY. 175 
13. Saxifraga comosa (Poir.) Britton. Foliose Saxi- 
frage. (Fig. 1835.) 
Saxifraga stellaris var. comosa Poir. in Lam. Encycl. 6: 680. 1804. 
Sazxtfraga foliolosa R. Br. in Parry’s Voy. 275. 1824. 
Saxtfraga comosa Britton, Mem. Torr. Club, 5: 178. 1894. 
Scape slender, slightly viscid, 2’-6’ high. Leaves oblanceolate, 
cuneate at the base, dentate and mostly obtuse at the apex, 4/’-9/’ 
long; flowers few, white, regular, many or sometimes all of them 
replaced by little tufts of leaves; calyx nearly free from the ovary, 
its lobes reflexed, much shorter than the sagittate obtusish petals 
which are narrowed into a claw, or sometimes cordate at the base. | 
In rocky places, Mt. Katahdin, Maine; Labrador and arctic America, 
Mt. Evans, Colo. Also in northeastern Asia and northern Europe. 
Summer. 
14. Saxifraga stellaris L. Star or Starry 
Saxifrage. (Fig. 1836.) 
Savifraga stellaris 1, Sp. Pl. 400. 1753. _ 
Scape naked below, bracted at the inflorescence, 
glabrous or slightly viscid, 4’-12’ high. Leaves 
oblong, oblanceolate or obovate, sharply and 
coarsely dentate, tapering into a broad petiole, %4/— 
2/ long; flowers loosely cymose-paniculate, regular, 
about 5’” broad; petals white, yellow-spotted at the 
base; calyx nearly free from the ovary, its lobes re- 
flexed, lanceolate, obtusish,about one-half the length 
of the oblong acutish petals, which are narrowed into 
a short claw; capsule 2’/-3/” long, its tips acumin- 
ate, at length somewhat divergent. 
In rocky places, reported from Labrador and Green- 
land. Also in arctic and alpine Europe and Asia. 
Summer. 
15. Saxifraga Grayana Britton. Gray’s Saxifrage. (Fig. 1837.) 
Saxifraga Caroliniana A. Gray, Mem. Am. 
Acad. 3: 39. 1846. Not Schleich. 182r. 
Saxifraga Grayana Britton, Mem. Torr. 
Club, 5: 178. 1894. 
Glandular-pilose all over, scapose from 
a corm-like rootstock, scape 6/—18’ tall. 
Basal leaves clustered, oblong, oval or 
nearly orbicular, 1/-5’ long, crenate-den- 
tate, narrowed into margined petioles, 
mostly shorter than the blade and dilated 
at the base; inflorescence cymose-panicu- 
late, ample; bracts spatulate or lanceolate; 
flowers white, 4//-5’’ broad; calyx-tube 
adnate to the ovary, its segments ovate- 
oblong, reflexed, obtuse; petals ovate or 
oblong-ovate, obtuse, 2-spotted, narrowed 
intoa slender claw; filaments club-shaped; 
follicles oblong, 2’’-3/’ long, united only 
at the base, diverging; styles subulate; 
seeds papillose in lines. 
In rocky situations, mountains of Virginia 
and North Carolina. June-July. 
