16o SAXIFRAGE FAMILY. 



* * Leaves clustered ; flowers more or less shoiry ; ornries 2, or sometimes 

 3-4, almost separate., becuminy as mamj nearly distinct jwds. Exotic 

 species cult, for ornament. 



S. crassifd/ia, Linn. Tiikk-lkavki> S. Cult, from Siberia ; very smootli, 

 with lieshy and creeping or prostrate rootstoclcs, sending up thiclc, round- 

 isli-obovate, nearly evergreen leaves, G'-'J' long, and scapes (bracted mid- 

 way) bearing an ample, at first compact cyme of large, bright, rose-colored 

 fiowers, in early spring. Sold also as S. SiBfiucA and S. ctiNEit-oLiA. 



S. sarmentbsa, Linn. Beefsteak S., also called Strawhekky Gera- 

 nium. Cult, from China and Japan as a house-plant, not quite hardy N. ; 

 rather hairy, with rounded heart-shaped or kidney-shaped and doubly 

 toothed leaves of fleshy texture, purple underneath, green-veined or 

 mottled with white above, on shaggy petioles, from their axils sending 

 off slender strawbeny-like runners; scapes bearing a light, very open 

 panicle of irregular flowers, witli three of the petals small rose-pink and 

 yellow-spotted, and two much longer and nearly while ones lanceolate 

 and hanging. 



2. ASTILBE. (Nam ■ means H0« .s/iu<('H;/.) Flowers summer. % 



A. dec^ndra, Don. A tall, rather pubescent herb, .3°-o° high, imitat- 

 ing Spinea Aruncus in appearance, but coarser ; leaflets of the decom- 

 pound leaves mostly heart-shaped, cut-toothed (2'-4' long) ; flowers 

 greenish-white, with petals inconspicuous or absent. Rich woods along 

 the Alleghanies from Va. S. 



A. Japdnica, Gray (or Hoteia Japonica). Only l°-2° high, with leaf- 

 lets of the thrice-ternate leaves lance-ovate or oblong, and crowded white 

 flowers of considerable beauty. Japan. 



3. TIARELLA, FALSE MITERWORT. (From tinra, a turban.) H 



T. cordif6lia, Linn. Our only species, in rocky woods, especially N. ; 

 a low and liairy herb, spreading by summer leafy runners ; leaves 

 rounded heart-shaped, sharply lobed and toothed ; flowers in a short 

 raceme on a leafless scape, bright white, in spring. 



4. MITELLA, MITERWORT, BISHOP'S CAR. (Name means a 

 little mitre, from the shape of the 2-cleft ovary and young pod.) Deli- 

 cate i)lants of moist woods, especially N. ; spreading by summer leafy 

 runners or rootstocks ; flowers late spring and early summer. 2/ 



M. diphylla, Linn. Com.mon or Two-leaved M. Hairy, with 

 rounded heart-shaped and somewhat 3-5-lobed root-leaves on slender 

 petioles, and a pair of opposite, nearly sessile leaves on the scape below 

 the slender raceme of many white flowers. 



M. ntida. Linn. Naked-stai.ked I\I. A delicate little plant, with 

 roundish kidney-shaped doubly crenate leaves, and leafless scape (4'-6' 

 high) bearing a few greenish blossoms. 



5. PARNASSIA. GRASS OF PARNASSUS. (Named for J/«. Par- 

 nassus.) Wild on wet banks; the large white flower handsome,' in 

 summer and autumn. 2L 



P. Carolini^na, Michx. The only common species ; has the scape or 

 stem 1^-2° high, bearing one clasping leaf low down, and terminated with 

 a flower over 1' broad, the many- veined petals sessile, v/ith 3 stout, small, 

 steriln filaments before each. Throughout. 



P. asarif61ia, Vent. Along the Alleghanies S. ; has rather kidney- 

 shaped leaves, and petals narrowed at base into a short claw ; otherwise 

 like the first. 



