VOL. II.] 



6. Ranunculus pusillus Poir. L,ow 

 Spearwort. (Fig. 1600.) 



Ranunculus pusillus Poir. in Lam. Encycl. 6: 

 99. 1804- 



Annual, slender, weak, glabrous, branch- 

 ing, 6 / -i2 / high. L,eaves entire or denticu- 

 late, the lower oblong or ovate, on long 

 petioles, the upper narrower, lanceolate or 

 linear, short-petioled or sessile; flowers yel- 

 low, 2 // -3 // broad, the petals few, often barely 

 exceeding the sepals; stamens i-io; head of 

 fruit globose, 2 /x broad; achenes beakless, 

 merely tipped by the persistent style-base. 



Marshes, southern New York and New Jersey 

 near the coast. Bucks and York counties, Pa., 

 south to Florida and west through the Gulf 

 States to Texas and Missouri. April-July. 



CROWFOOT FAMILY. 



75 



7. Ranunculus oblongifolius Ell. 

 Oblong-leaved Spearwort. (Fig. 1601.) 



Ranunculus oblongifolius Ell. Bot. S. C. & Ga. 

 2: 58. 1821-24. 



Ranunculus pusillus var. oblongifolius T. & G. 

 Fl. N.A.I :i6. 1838. 



Annual, branched above, erect or ascend- 

 ing, i-i}4 high, glabrous or pubescent. 

 Leaves entire or denticulate, oblong, or ob- 

 long-lanceolate, the lower on long petioles, 

 the blade sometimes 3' long, the upper nar- 

 rower, lanceolate or linear; flowers yellow, 

 5//_6/' broad, the 5 petals much exceeding 

 the sepals; stamens numerous; head of fruit 

 2" broad; achenes merely tipped by the style- 

 base. 



In swamps, southern Virginia, southern Illi- 

 nois and Missouri, south to Florida and Texas. 

 April-Sept. 



8. Ranunculus reptans L/. Creeping Spearwort. 

 (Fig. 1602.) 



Ranunculus reptans L. Sp. PI. 549- !753- 



Ranunculus filiformis Michx. Fl. Bor. Am. 1:320. 1803. 



Ranunculus Flammula var. reptans E. Meyer. PI. Lab. 96. 



1830. 



Trailing or reclining, glabrous or pubescent, rooting from 

 the nodes, the flowering stems and peduncles ascending. 

 Leaves linear, lanceolate or spatulate, i / -2 / long, mainly en- 

 tire, gradually narrowed into the petiole; flowers bright yel- 

 low, 4 // ~5 // broad, solitary on peduncles \'-$' long, petals 4- 

 7, much exceeding the calyx; achenes flattish, with a minute 

 sharp beak; stamens numerous. 



On shores, Newfoundland and arctic America, south to New 

 Jersey, Pennsylvania and Michigan, and in the Rocky Mountains 

 to Colorado. Also in Europe and Asia. Summer. 



