OXALIDACEAB (WOOD SOEREL FAMILY) 



533 



Stemless ; petals wliitG or purple. 



Uootstock creeping ; scapes l-flo\\^red 1.0. 



Bulbose ; scapes umbellately several-flowered 2. O, 



Caulescent ; petals yellow, 

 riowers large ; petals 1.4^2 cm. long ; Pa. and southward. 



Petals hairy ou the margin ; leaflets 8-15 mm. broad 8. 0. 



Petals essentially glabrous ; leaflets 2-4 cm. broad 4. 0. 



Flowers smaller ; petals 8-12 mm. long. 

 Stems erect or decumbent but not extensively creeping. 

 Peduncles mostly 2-flowered ; pedicels appressed-pubescent or strigillose, 

 deflexed in fruit. 



Stem covered with closely appressed short hairs 5. O. 



Stem covered with loose spreading woolly pubescence . . . . 6. 0. 

 Peduncles mostly several-flowered ; pedicels ascending or widely dive. • 



gent, their pubescence sparse, spreading T. 0. 



Stems prostrate, elongated, rooting at the nodes 8. 0. 



Acetoaella. 

 violacea. 



Prieeae. 

 grandie. 



rep&ns. 



1. 0. AcetosfiUa L. (Commow W.) Creeping; leaves radical; scapes 

 l-flowered, 6-15 cm. high ; petals white, with rose-colored or purple veins. — 

 Deep woods, N. S. and e. Que. to Sask., s. to N. E., N. Y. , and in the mts. to 

 N. C. (Eu.) Var. subpukpueAscens BC, with petals rose-colored or purple, 

 has been found at Chesterville, Me. (Miss Eaton), and at Manchester, Vt. 

 {Grout). (Ea.) 



V 2. 0. violJcea L. (Violet W.) Nearly glabrous ; hase bulbous, scaly ; 

 leaves radical; scopes umbellately several-flowered, l.S-2.5 dm. high, exceeding 

 the leaves; petals violet. — Rooky places and open woods, e. Mass to Minn, 

 and southw. 



3. 0. Priceae Small. Caulescent; stems erect, soft-villous, from a long 

 slender dark-colored rootstock ; leaflets 8-12 ram. broad ; pedicels in 2's or 3's 

 at the ends of long slender peduncles, deflexed ia fruit ; petals yellow, ciliats. — 

 Bowling Green, Ky. (Miss Price) ; and Ala. 



4. 0. grindis Small. Tall 

 (3-4.6 dm. high), smoothish or 

 covered xoith soft spreading pu- 

 bescence ; leaflets large (often 

 S. 5-4.1 cm. broad), frequently 

 brownish-ptirple at the margin ; 

 long-peduncled inflorescences 3- 

 several-flowered ; petals yellow, 

 1.4-1.8 cm. long, not ciliate. — 

 Sandy woods and alluvial soil, Pa. 

 to 111. and southw. May-Aug. 



5. 0. striata L. Pale green, 

 appressed-pubescent or strigose ; 

 stems usually several, decumbent, 

 stoutish ; stipules evident ; pedi- 

 cels 1-4 (mostly 2), subumbellate 



at the end of the peduncle, at length deflexed ; the fruit large, columnar, 

 short-pointed, 15-23 mm. 

 long. — Dry or sandy soil, 

 s. Me. to Dak. and southw. , 

 common. — The petals pale 

 yellow, often with a reddish 

 spot near the base. Fig. 800. 

 6. 0. f ilipes Small. Very 

 slender, pubescence of the 

 stem loose and ^reading; 

 petioles and peduncles fili- 

 form, elongated ; umbels 

 chiefly 2-flowered ; petals 

 yellow. (O.BrittonaeSmaW.) 

 — Sandy soil, s. Me. (Cham- 

 berlain & Collins) to n. N. Y, 

 Ct., Ela. , and Tex. Fig. 80L 



0. stricta. 



O. fllipes. 



