168 SAXIFRAG.VCE^. (SAXIFRAGE FAMILY.) 



olatc ; pctiih ivhi/r, omie. — Alpine region of Mount Washington, New Hamp- 

 shire (Oiikex, &e.) : rare. (Vai.) 



3. S. aizoldes, L. (Yki.low Modntajn-S.) Low (3'-5' high), in 

 tufts, witii few or several eorvuibose flowers; leaves linear-hinrcokUe, entire, fli shy , 

 distantly spinulose-eiiiate ; petals i/ellow, spotted tvith oravfje, olilonr/. — Wiliougiiby 

 Mountain, Vermont ; near Oneida Lake, New York ; N. Rlieliigan ; and north- 

 ward. Jinie. (Eu.) 



4. S. triCUSpidata, Retz. Stems tufted (4' -8' high), naked above; 

 floweis eorymbose ; leaves ohlomj or spatulate, icilli 3 rit/kl sharp teeth at the sun?- 

 mit ; petals ohomte-oblonc), yellotv. — Shore of L. Superior and nortinvard. (Eu.) 



* * * Leaves clustered at the root : scape manipjlowered, erect, <:lammy -pubescent. 

 • -t- Petals all alike. 



5. S. Aiz6on, Jaetj. Leaves persistent, tidck, spatulate, ivith ivhite cartila;/i- 

 tious toothed nuiif/iiis ; ealyx partly adherent ; petals obovatc, creara-eolor, often 

 spotted at the base. — Moist roeks. Upper Michigan and Wisconsin ; Willoughhy 

 Mountain, Vernumt (.1/;-. Blake), and northward. — Scajjc ."J'- 10' high. (Ku.) 



6. S. Virginiensis, Michx. (Early S.) Low (4' - 9' higli) ; lenvts 

 obovate or oval-sputulate, narrowed into a broad petiole, crenate-toothed, thiekish ; 

 flowers in a clustered cyme, which is at length open and loosely panicled ; lobes 

 of the nearly free caljjx erect, not half the length of the ohlomj obtuse {ivhite) petals; 

 pods 2, united merely at the base, divergent, purplish. — Exposed rocks: com- 

 mon, cs])ccially northward. April -June. 



7. S. Pennsylvaniea, L. (Swamp S.) Large (1° -2° high); leaves 

 ohhina oUite , obscnreli/ toothed (4' -8' long), narrowed at the base into a short and 

 broad petiole ; cymes in a large oblong panicle, at first clustered ; lobes of the 

 nearly free calyx recurved, about the length of the linear-lanceolate (greenish) small 

 petals ; filaments aid-shaped: pods at length divergent. — Bogs: common, es- 

 pecially northward. May, June. — A homely species. 



8. S. erdsa, Pursh. (Lettuce S.) Leaves oblong or oblanceohtte, obtuse, 

 sharplji toothed, tapering into a margined petiole (8' -12' long) ; scape slender 

 (1°-;?° higli) ; panicle elongated, loosely flowered; pedicels slender ; eali/r re- 

 Jlexed, entirely free, nearly as long as the oval obtuse {white) petals; filaments club- 

 shaped; pods 2, nearly separate, diverging. — Oold mountain brooks, Penn- 

 sylvania (near Bethlehem, Mr. Wolle), and throughout the Alleghanies, south- 

 ward. June. 



■I- ^^- Petals unequal, with claws, white, all or some of them with a pair of yellow 

 spots near the base : leaves oblong, ivedge-shaped or spatulate ; calyx fee and 

 refiexed. 



9. S. leueanthemifblia, Lapcyronse, Michx. Leaves coarsely toothed 

 or cut, tapering into a petiole ; scapes (5'- 18' high) bearing one or more leaves 

 or leafy bracts and a loose, spreading eorymbose or paniculate cyme ; petals 

 lanceolate ; the 3 larger ones with a heart-shaped base and a pair of spots ; the 2 

 smaller with a tapering base and no spots. — Salt Pond Mountain, Virginia 

 ( Wm. ^f. Cauby), and southward in the Alleghanies. 



10. S. Stellkris, L., var. eom6sa, Willd. Leaves wedge-shaped, more 

 or less toothed ; scape (4' -5' high) bearing a small contracted panicle; many 



