PLANTS OF SOUTHERN NEW JERSEY. 591 



b. Flowers in simple umbels, leaves pedately lobed. Hydrocotyle, p. 592 

 bb. Flowers in dense heads, leaves spiny toothed. Eryngium, p. 594 



bbb. Flowers in compound umbels. 



c. Flowers white, pink or greenish. 

 d. Fruit bristly or hairy. 



e. Leaves digitately, 2,-7 parted or lobed. 



f. Styles much exceeding the bristles of the fruit, re- 

 curved. 



g. Fruit 6-7 mm. long, sessile, flowers greenish white. 



Sanicula marilandica, p. 593 



gg. Fruit 3-4 mm. long, slightly pedicelled, flowers 



yellow. S. gregaria, p. 594 



//. Styles shorter than the bristles. S. canadensis, p. 593 



ee. Leaves pinnately or ternately decompound or dissected. 



/. Fruit linear, tapering to the base, ribbed. 



g. Stem villose pubescent, style i mm. long. 



Washingtonia claytoni, p. 595 

 gg. Stem glabrous except at the nodes, style 2 mm. 

 long. Washingtonia longistylis, p. 595 



ff. Fruit ovid, bristly. [Daucus carrotaY 



dd. Fruit smooth, ribbed or winged (rarely somewhat pubes- 

 cent) . 

 e. Fruit flattened dorsally (i. e., the two carpels separated 

 by the long axis of the fruit). 



f. Leaves simply ternate or pinnate. Oxypolis, p. 6o« 

 ff. Leaves ternately or pinnately compound. 

 g. Segments oval, plant 6-12 dm. high. 



Angelica villosa, p. 59f 

 gg. Segments large cordate, plant 1-3 m. high. 



Heracleum lantatum, p. 6o£ 

 ee. Fruit flattened laterally (carpels separated by the short 

 axis of the fruit). 

 /. Fruit linear. 



g. Leaves 3-foliate. Deringa, p. 597 



gg. Leaves decompound, finely dissected. 



Cheer ophyllnm, p. 595 

 ff. Fruit ovate or ovoid. 



g. Leaves once pinnate. Siiim, p. 597 



gg. Leaves pinnately compound. 



h. Leaf segments lanceolate, plant 9-18 dm. 



high. Cicnta maculata, p. 596 



hh. Leaf segments narrowly linear, bulblets ia 



the axils of the upper leaves, plant 3-10 



dm. high. C. hiilhifera, p. 596 



ggg. Leaves finely divided into filiform segments. 



Ptilimnium, p. 59S 

 cc. Flowers yellow. 



d. Fruit dorsally flattened. [Pastinaca sativaY 



* Wild Carrot. An abundant weed in fields, etc. 

 •Wild Parsnip. A weed in damp meadows, etc. 



