526 REPORT OF NEW' JERSEY STATE MUSEUM. 



cc. Leaves alternate, flowers in a terminal umbel, appendages showy, 

 white. B. corollata, p. 528 



bb. Glands without petal-like appendages. 



c. Leaves mostly opposite, plant prostrate, flowers appearing before 

 the leaves. 

 d. Segments of involucre small, green ; plant low. 



B. ipecacuanha, p. 528 

 dd. Segments of involucre enlarged, white; plant erect. 



B. arimdelwna, p. 529 



cc. Leaves alternate or scattered, plant 4-13 decimeters tall, flowers in 



a terminal umbel. B. darlingtonii, p. 529 



CROTONOPSIS Michaux. 



Crotonopsis linearis Michx. Crotonopsis. 



Crotonopsis linearis Michaux, Fl. Bor. Am. II. 186. pi. 46. 1803. — [Long 

 Bay, Carolina and Illinois]. — Nuttall, Gen. II. 209. 1818. — Knieskern 

 27. — Willis S4- — Britton 215. — Keller and Brown 211. 



In dry sandy woods; rather rare and local. Restricteu to 

 the Pine Barrens and a few localities in West Jersey. 



A curious little plant, which in its slender wiry leaves and 

 branches remind one somewhat of Anychia, but it is grayish all 

 over with a peculiar silvery sheen, which distinguishes it at once. 



Pi. and Fr. — A'ugust and September, apparently. 



Middle District.— YJix'k-vi 006., Ashland, Lindenwold, Taunton, Woodbury 

 (P). 



Pine Barrens. — Manchester (C), Southwark (S), Atsion (Leeds), Ham- 

 monton (KB), Pleasant Mills, Batsto. 



ACALYPHA L. 



Acalypha virginica L. Three-seeded Mercury.* 



Acalypha virginica Linnjeus, Sp. PI. 1003. 1753 [Virginia]. — Knieskern 27. 



Fields and woods, usually in damp situations ; comimion in the 

 northern counties and less common southward in the Middle, 

 Coast and Cape May districts. Distinctly a weed in many places. 



Pi- — Probably early July into September. Pr. — August into 

 October (apparently). 



Middle District. — New Egypt, Birmingham, Hartford, Oaklyn, Lawnside, 

 Swedesboro, Salem (S), Beaver Dam. 

 Coast Strip. — Cox's. 

 Cape May.— C3.pt May (OHB). 



*The southern A. ostrycefolia is reported from Princeton, Trenton and 

 Closter (Britton's Catalogue), but has not been collected within our limits. 



