Order Gl.— SAXIFRAGACE^E. 371 



•bovate, yellow, dotted -pet. ; caps, ovate, tipped with tho diverging styles. — Lake 

 shores, Can. and northward. 



5 S. leucanthemifolia Mx. Viscid-pubescent ; lvs. radical, spatulate, cut-den- 

 tate, tapering to a petiole; scape diffusely paniculate, with capillary pedicels; 

 calyx free, reflexed ; -pet. unequal. — Mts. of Car. and Ga. Scapes 1 to 2f high, 

 bearing numerous small fls. Lvs. cut into several large teeth. Petals white or 

 pink, the three larger spotted with yellow. Jn. — Sept. 



6 S. erdsa Ph. Viscid-pubescent; lvs. radical, thin, oblong-lanceolato, acute, 

 with erose teeth; panicle oblong, loose, with leafy bracts and divaricate branches; 

 cal. free, with reflexed, obtuse sepals as long as the equal, obtuse petals. — Mts. 

 Penn. to Car. Scape 12 to 18' high. Fls. scattered, on slender pedicels. Petals 

 small, white, yellow at base. Jn., Jl. 



7 S. Careyana Gray. Lvs. radical, long-petioled, thin, glabrous, round-ovate, 

 coarsely crenate-dentate, base truncate or subcordate; scape slender, diffusely 

 cymous-paniculate ; pedicels filiform ; petals lance-oblong, sessile, twice longer than 

 the recurved sepals ; carpels distinct, turgid, free.— Mts. N. Car., ou wet, shady 

 rocks. A low herb with small, white flowers. 



8 S. aizobn Jacq. Lvs. mostly radical, rosulate, spatulate, obtuse, bordered with white 

 cartilaginous teeth and a marginal row of impressed dots; fls. corymbous panicu- 

 late; cal. (andped glandular viscid) tuba hemispherical, as long as the 5-toothed 

 limb; pet. obovato; st3 r . divergent, longer than the calyx. — Southern shores of 

 Lake Superior, to Nova Scotia and northward, on shadv, moist rocks. Sts. 5 to 

 10' high. Fls. white. Jl. 



9 S. Virginiensis Mx. Early Saxifrage. Lvs. mostly radical, spatulate-obovate, 

 crenately toothed, pubescent, shorter than tho broad petiole ; scape nearly leaf- 

 less, paniculately branched above; fls. many, cymous; cal. adherent to the base 

 of the ovary ; pet. white, oblong, much exceeding the calyx. — An early and interest- 

 ing plant, on rocks and diy hills, Can. and TJ. S. Scape 4 to 12' high, pubescent, 

 annual. Lvs. rather fleshy, 9 to 13" by G to 12". Fls. in rather dense clusters, 

 white, or tinged with purple, in early spring. Fig. 310. 



10 S. Pennsylvanica L. Lvs. radical, oblong-lanceolate, rather acute, taper- 

 ing at base, denticulate; scape nearly leafless; branche's alternate, with close 

 cymes forming a diffuse panicle, fls. pedicellate; pet. greenish, linear-lanceolate, but 

 little longer than the cal. — Larger than the foregoing, common in wet meadows, 

 Me. to Ohio. Lvs. fleshy, pale green, 5 to 8' by 1 to 2', on a broad petiole. 

 Scape 2 to 3f high, gross, hollow, hairy and viscid, branched into a large, oblong 

 panicle of yellowish green fls. of no beauty. May. 



5. ASTIL'BE, Don. (Gr. a, privative oriXpTj, brightness ; the leaves 

 are not shining.) Polygamous ; calyx adherent to the base of tho 

 ovary, obconic, with 4 or 5 erect segments ; petals 4 or 5, spatulate ; 

 stamens 8 or 10, exserted ; ovary 2-celled ; carpels of the fruit separat- 

 ing and dehiscing lengthwise inside ; seeds 1 to 4 in each cell, covered 

 with a loose, membranous testa. — H Coarse and weed-like plants. Lvs. 

 compound, 2 or 3-ternate. Fls. small, yellowish-white, in spicate rac. 

 forming a compound panicle. 



A. decandra Don. St. tall, angular ; Ifts. subcordate, incisely lobed, mucronate- 

 serrato; sterile fl3. mostly apetalous; sta. 10. — Mts. of S. "W. Va., 15. Tenn., F. 

 Car. to Ga. Abundant in its localities. St. 4 to Gf high, with very large pani- 

 cles. It3 resemblance to Spirea Aruncus is very striking, but its irregularly cleft 

 •lfls. and its twice larger (2'' long), 2-carpeled fr. aro positive marks of difference. 

 Jn. — Aug. 



6. BOYKIN'IA, Nutt. (Dedicated to Br. Boykin, of Georgia, a 

 pioneer botanist.) Calyx turbinate adherent, 5-cleft ; petals 5, decidu- 

 ous ; stamens 5 ; ovary 2-cellcd, 2-beaked ; capsule ^vested with the 

 permanent, urceolate calyx tube, dehiscent between the beaks. — U Lvs. 

 alternate, petiolatc, palmate. Fls. cymous, white. 



