NAT. ORDER. 



Saxifragc(c. 



SAXIFKAGA LiaULATA. FKINGED SAXIFRAGE. 



Class X. Decandria. Order II. Digynia. 



Gen. Char. Caly.r, five, parted. Petals, five, on short claws. Sta- 

 mens, ten. Ca})S7iles, adnate to the calyx. Seeds, numerous. 



Spe. Char. Leaves, obovate, subcordate. Flowers, pale-red, almost 

 white. 



This p/ffl/ii has a thick woody root, bearing several large spread- 

 ing, bright-green, broadly ovate leaves, beautifully ciliated at the mar- 

 gin, and frequently waved there also ; the piiiolc is short, diick, bear-, 

 ing a long, erect, ciliated sheath or ligiile (whence the specific name) 

 just above where it is set on the stem ; scales five or six inches long, 

 with one or two bracteas, and terminated by a cymosejaanicfc of large, 

 handsome, white flowers, frequendy tinged with rose-color ; cahjx ob- 

 tuse and red at the ba.se, and greener upwards, and five-cleft ; corolla 

 of five, obovate jxtals, with short claws ; statn'^ns ten ; Jilaincnts erect, 

 alternately shorter, rose-colored ; anthers reddish piuple ; gcrmeii. free ; 

 styles long, erect ; stigmas obtuse. 



Sa.vifraga petrwa. Rock Saxifraga. This plant grows almost 

 flat upon the ground, only rising from three to six inches in height ; die 

 leaves are radical and palmately five-lobed ; cauline ones tripartite 

 and cut ; peduncles are very long, one-flowered ; calycine segments 

 linear, acute ; petals obovate, truncate at the apex and cmarginate, 

 twice the length of the calyx ; the plant is difflisely branched, and fur- 

 nished with glanduliferious hairs ; stems erect, branched at the base ; 

 branches elongated fastigiated ; radical leaves on long jictioles, somc- 

 VoL. IV.— 182. 



