JVNCACEAE. 95 



Leaf -blades erect ; inner perianth-parts longei^ 

 than the outer. 14. J. nodosus. 



Leaf-blades abruptly divergent from the 

 stem; outer perianth-parts longer than the 

 inner. 15. J. Torrei/i. 



Epidermis of the leaves roughened with minute tubercles. 



16. J. Caesariensis. 

 Stamens 3, none opposite the inner perianth-parts. 



Capsule tapering evenly into a prominent subulate beak. 



17. J. scirpoides. 

 Capsule obtuse to acute at the apex, sometimes mucronate, but 



not prolonged into a beak. 

 Seed 0.6-2 mm. long. 



Perianth about 2 mm. long, the fruiting head not 

 more than 4 mm. high. 18. J. brachycephalus. 



Perianth 3-4 mm. long, or if shorter, the fruiting 

 head 4 mm. high or more. 19. J. Canadensis. 

 Seed 0.4-0.5 mm. long. 20. /. acuminatus. 



1. JuNCUs EFFUSUS L. M. p. 246. Marshy ground. Summer. 



2. JuNCUS Balticus Willd. M. p. 247. On shores. Summer. 



Lancaster — Dillerville Swamp (P.). 



3. JuNCUs BUFONius L. M. p. 247. Low grounds. Summer. 



4. JuNCUs Gerardi Lois. M. p. 248. Salt marshes. Summer. 



Belaware — Newtown, Serpentine, Br. Geo. Smith (Fu.). 



New Jersey — Frequent. 



New Casfie— Collins and Wilmington. 



5. JuNCUS TENUIS Willd. M. p. 248. Fields and roadsides. Summer, 



6. JuNCUS SECUNDUS Beauv. M. p. 248. Dry soil. Summer. 



^ticits— Sellersville (Fr.). Montgomery— ^nvanQjtovm (VPj). Lan- 

 caster— {P.). 



Neiv Castle — Serpentine, Commons ; Highlands, Canby. 



7. JuNCUS Greenei Oakes and Tuekerm. M. p. 248. Near the coast. 



Summer. 

 Middlesex— Burts' Creek and Sayreville (C). 



8. JuNCUS DICHOTOMUS Ell. M. p. 249. Dry soil near the coast. Summer. 



Bucks— Bristol, Tullytown, Point Pleasant (Fr.). Montgomery — (P.)- 

 Belaware— Tinicum, Br. Geo. Smith (Fu.) (B. Sm.). 



Camden — Lindenwold (VP.). Gloucester— Qwedeshoro (Li.), Timber 

 Creek (Te.). Cape May— KoWy Beach, Anglesea (He.), Cape May (Te.). 

 Monmouth — Sandy Hook (C), Seabright (Ke.). 



New Castle— Near Wilmington, Collins, Commons. 



9. JuNCus setaceus Rostk, M. p. 249. Near the coast. Summer. 



Belaware— Tinicum, Br. Geo. Smith (B. Sm.). 



10. JuNCUS marginatus Rostk. M. p. 249. Grassy places. Summer. 

 lOo. JuNCUS MARGINATUS ARISTULATUS (Michx.) CoviUe. M. p. 249. Moist 



sandy places, mostly near the coast. Summer. 



DeZawm-e— Upper Darby, Br. Geo. Smith (Fu.). 



Burlington— Aision (Fr.). Cape Ifay— Dennisville, E. Bifenbatigh 

 (B. C), Wildwood, Holly Beach (He.), Cape May (Te.). Atlantic— 

 Atlantic City, Landisville (C). Monmouth Seahright (C). 



New Castle — Shelpot Creek, Collins, Commons. 



