YOU II.] 



SAXIFRAGE FAMILY. 



I7S 



13. Saxifraga comosa (Poir.) Britton. Foliose Saxi- 

 frage. (Fig. 1835.) 



Saxifraga stellaris var. comosa Poir. in Lam. Encycl. 6: 680. 1804. 

 Saxifraga foliolosa R. Br. in Parry's Voy. 275. 1824. 

 Saxifraga 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 re flexed, 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.) 



Saxifraga stellaris L. Sp. PI. 400. 1753. 



Scape naked below, bracted at the inflorescence, 

 glabrous or slightly viscid, 4/-I2' high. Leaves 

 oblong, oblanceolate or obovate, sharply and 

 coarsely dentate, tapering into a broad petiole, %'- 

 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. 1821. 

 Saxifraga Grayana Britton, Mem. Torr. 



Club, 5: 178. 1894. 



Glandular-pilose all over, scapose from 

 a conn -like rootstock, scape 6'-i8' tall. 

 Basal leaves clustered, oblong, oval or 

 nearly orbicular, I'-s' 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 

 into a 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. 



