PLANTS OF SOUTHERN NEW JERSEY. 389 



gg. Flowers not in umbels. 

 /;. Petals four. 



/. Leaves 3-foliate. Polanisia, p. 4t)0 



ii. Leaves not pinnate, 

 y. Leaves opposite 



k. Flowers pink, large. Rhexia, p. 576 



kk. Flowers pinkish, small. Epilobium, p. 582 



jj. Leaves alternate. 



k. Flowers white or pink. 



Cruciferce or Chamaenerion, pp. 462 or 582 

 kk. Flowers yellow. 



/. Stamens 6. Cruciferce, p. 462 



//. Stamens 4-8. Onagracece, p. 578 



hit. Petals 2. Circaea, p. 585 



hlih. Petals 5. 



i. Leaves radical. 



y. Flowers pale lavender, leaves entire, salt 



marsh plant. Limonium, p. 633 



jj. Flowers white or greenish, leaves dentate, 



inland plants. SaxifragacecB, p. 470 



ijj. Flowers purple, leaves palmately 3-foliate. 



Oxalis, p. 516 

 n. Leaves cauline, opposite (or whorled). 

 y. Leaves, only one pair. 



k. Plant fleshy, flowers white, striped with 

 pink, pendant, leaves lanceolate entire. 

 Claytonia, p. 435 

 kk. Plant not fleshy, flowers small, white, 

 leaves acute, heart shaped, toothed. 



Mitella, p. 472 

 jj. Leaves more than one pair. 



k. Flowers yellow. Hypcricacecc, p. 551 



kk. Flowers white or pink. 



Caryopliyllacece, p. 435 

 Hi. Leaves cauline, alternate (lower opposite in 

 some species), 

 y. Leaves 3-foliate. 



k. Pinnately ; leaflets serrate, lanceolate, 



acute, flowers white. Porterantluis,p. 47S 



kk. Palmately : leaflets triangular, flowers 



yellow. Oxalis, p. 516 



jj. Leaves pedately 3-5 parted (rarely pinnate), 



segments lobed, flowers purple or whitish. 



Geraniacece, p. 514 

 ijj. Leaves simple. 



k. Flowers blue. Liniini, p. 517 



kk. Flowers yellow. 



/. Plant fleshy, prostrate. 



Portulaca, p. 435 



