208 DECANDRIA, DIGYNIA. 



207. SAXIFRAGA. Gen. pi. 764. {Saxifrage.) 



Calix 5-parted, persistent. Petals 5. Cap- 

 side 1 -celled, many- seeded, opening be- 

 twixt the persistent styles. — JWitt. 



virginica. j. S. all over finely pubescent; leaves oval, ob- 

 tuse, crenate, decurrent into the petiole; stem, 

 nearly without leaves, paniculate; branches di- 

 chotomous ; flowers subsessile. — Mich, and 

 Pursh, 



S. Virginiensis, Mich, and Pursh. 



S. vernalis, and S. nivalis, Muhl. 



S. pilosa, Herb. Banks, (Pursh.) 

 Icon. Pluk. aim. t. 222. f. 5. 



Early Saxifrage. 



After the Draba verna, this is the earliest blooming plant of 

 spring 1 , frequently appearing in flower, on exposed rocks bor- 

 dering the Schuylkill, while the snow is yet on the ground'. 

 It varies much in height, often flowering when two inches high, 

 and frequently later in the season, when near a foot tall. On 

 rocks and dry exposed hills every where, common. Some- 

 times at the roots of trees in dry woods, particularly in Jer- 

 sey. Perennial. Last of March, till June. 



ca. 



Pennsyivam- 2. S. pubescent ; leaves oblong-lanceolate, acute 

 at each end, obsoletely denticulate; stem naked, 

 panicle oblong, branches above having fasciles 

 of flowers. — Willd. 



Icon. Dill. elth. t. 253. t. 328. 



Large Saxifrage. 



A large inelegant species, near three feet high. Radical 

 leaves very large and thick. Flowers greenish. Near rivulets, 

 in the woods above the falls of Schuylkill, west side. Rare. 



208. MITELLA. Gen. pi. 766. (Saxifragce .) 



Calix 5-cleft, persistent. Petals 5, pinnati- 

 fid, inserted upon the calix. Capsule 1- 



