PLANTS OF SOUTHERN NEW JERSEY. 469 



Middle District.— Shark River, Florence, Delanco, Camden (UP), Med- 

 ford, Griffith's Swamp, Kaighns Swamp, Dividing Creek. 



Pine Barrens.—Bdmar (NY), Toms River (S), Brindletown, Manchester 

 (NY), Hanover, Speedwell (S), Bear Swamp (S), Ancora (UP), Atsion 

 (S), White Horse (S), Atco (S). Landisville, Hammonton (Bassett), Batso 

 (S), Egg Harbor City, Pancoast (S), Absecon (S), Woodbine (S), Tucka- 

 hoe (S), Sea Isle Jnc. 



Coast Strip.— Seaside Park (UP), Holgate's (L), N. Beach Haven (L), 

 Anglesea. 



Cape J/aj.— Whitesboro (S), Bennett, Cold Spring (S), Court House 

 (UP). 



Drosera filiformis Raf. Thread-leaved Sundew. 



PI. LXVL, Fig. 2, and PI. LXXXVHL, Fig. 3. 



Drosera filiformis Rafinesque, Med. Rep. II. (5), 360. 1808 [County of 

 Gloucester, N. J., and Sussex, Del.]. — Pursh. Fl. Am. Sept. L 211. 1814 

 [Tuckerton, N. J., 1805]. — Knieskern 8 — Britton 104. — Keller and Brown 

 167. 



Drosera tenuifolia Muhlenberg Cat. 23. 181 3. 



Common in wet sand throughout the Pine Barrens, and rarely 

 in outlying pine barren islands in West Jersey and on the coast. 



This is a far handsomer species than either of the preceding, 

 and from the nature of its growth far more conspicuous. The 

 large crimson-pink flowers are open only during part of the 

 morning on sunshiny days, closing up at other times like the 

 Portulaca of our gardens. The plants prefer open damp sand, 

 where they are not shaded or crowded by other vegetation. 

 Sometimes they grow ver}^ abundantly in such spots, and I have 

 seen their erect filiform leaves in rank upon rank, the glutinous 

 secretion on the glands glistening in the sunlight and making the 

 whole patch look like dew covered spider webs, such as we fre- 

 quently see on an early autumn morning. When examined 

 closely the leaves will always be found to have small flies, mos- 

 cjuitoes and other insects attached to their thread-like glands. 



Fl. — Late June to late August. 



Middle Dis^ict. — Lindenwold. 



Pine Barrens.— Tt Pleasant, N. Spring Lake (NY), 3 mi. S. New Egypt, 

 Hanover, Browns Mills, Toms River, Forked River, Manchester (NY), May- 

 etta, Manahawkin, West Creek, Speedwell, Chatsworth, High Bridge, Atsion, 

 Bear Swamp (S), Atco (UP), Ballinger's Mill, Pleasant Mills, Batsto, Mouth 

 of Batsto, Quaker Bridge, Eighth St., Hammonton, Egg Harbor City, Ab- 

 secon, Mays Landing (UP). 



Coasts Strip.— N. Beach Haven (L), Seaside Park (S). 



