Okdeb 61.— SAXIFRAGACEiE. 371 



•bovate, ydlow, dotted pet. ; caps, ovate, tipped with the diverging styles. — Lako 

 shores, Can. and northward. 



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

 taie, tapering to a petiole; scape diifasely paniculate, with capillary pedicels; 

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

 bearing numerous small fla. 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-lanceolate, acute, 

 with erase teeth ; panicle oblong, loose, with leafy bracts and divaricato 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. Carey^na Gray. I/us. radical, long-petioled, thin, glabrous, round-ovat-e, 

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

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

 the recurved sepals ; carpels distinct, turgid, free. — Mts. N. Car., on 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. (and ped. glandular viscid) tube hemispherical, as long as the 5-toothed 

 limb; pet. obovate; sty. divergent, longer than the calyx. — Southern shores of 

 Lake Superior, to Nova Scotia and northward, on shady, moist rooks. Sts. 5 to 

 10' high. Fk. white. Jl. 



9 S. Virgini^nsis Mx. Eablt Saxifrage. Lvs. mostly radical, spatulate-obovate, 

 crenately toothed, pubescent, shorter than the broad petiole ; scape nearly leal- 

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

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

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

 annual Lvs. rather fleshy, 9 to 13" by 6 to 12". Fls. in rather dense clusters, 

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



10 S. Pennsylv^nica L. Lvs. radical, oblong-lanceolate, rather acute, taper- 

 ing at base, denticulate ; scape nearly leafless ; branches alternate, with dose 

 cymes forming a diffuse panicle, fis. 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 aTiXprj, brightness ; tlie leaves 

 arc not sliining.) Polygamous ; calyx adherent to the base of the 

 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. — 1( Coarse and weed-like plants. Lvf. 

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

 forming a compound panicle. 



A. deodndra Don. St. tall, angular ; Ifls. suboordate, inoisely lobed, muoronate- 

 serrate; sterile fls. mostly apetalous ; sta. 10. — Mts. of S. \T. Va., E. Tenn., K. 

 Car. to Ga. Abundant in its localities. St. 4 to 6f high, with very largo pani- 

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

 Ifla. and its twice larger (2'' long), 2-oarpeled fr. are positive marks of difference. 

 Jn. — Aug. 



6. BOYKIH'IA, Nutt. (Dedicated to JDr. Boykin, of Georgia, a 

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

 ous ; stamens 5 ; ovary 2-celled, 2-beated ; capsule invested with the 

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

 alternate, petiolate, palmate. Fls. cymous, white. 



