EEIOCAULACEAE. $1 



Family 1. X7RIDACEAE Lindl. Yelldw-eyed Grass Family. 



1. XYHIS L. Yellow-eyed Grass. 



Lateral sepals wingless, the keel fringed, with short hairs. 



1. X flexuosa. 

 Lateral sepals winged, the keel fimbriate or lacerate. 



Scapes not bulbous-thickened at the base; leaves flat or but slightly 

 twisted. 

 Lateral sepals about as long as the bracts, their keels lacerate. 



2. Jt, Carolmidna. 

 Lateral sepals longer than the bracts, their keels ldng-fimbriate. 



3. X jvmbriata. 

 Scapes conspicuously bulbous-thickened at the base,; leaves spirally 



twisted. 4. X. conocephala. 



1. Xtris tlexuosa Muhl. M. p. 235. Bogs. Summer. 



2. Xtris Caroliniana Walt. M. p. 236. Swamps and bogs. Summer. 



Philadelphia — Wissahickon (Me.). , Delaware — Tinicum, Dr. Geo. 

 $mith (Fu.} (B. Sm.j. Chester— Coatesville, H. E. Stone (B. C). 

 Lancaster— (P.). ' < :< 



Burlington — Atsion (Fr.). Camden— Camden, Mart. (B. C), Atco 

 (Fr.), Cedar Brook (Ja.). Gloucester— Mickleton (He.), Eepaupo (Ja.), 

 Tomlin (Ke.), Swedesboro (Li.). Cape May — Cape May (Te.). 

 Atlantic— Egg Harbor (Sa.) (Wn.). Ocedtt— Forked Biver (Le.) (Mac). 



New Castle— Thompsons, Ogletown, etc. 



3. Xyris fimbriata Ell. M. p. 236. Wet pine barrens. Summer. 



Burlington— Quaker Bridge, ,£. Diffenbaugh (B. C.) (Fu.) Atsion, 

 Jackson (C). Gloucester— Paulsboro (Ja.), Bepaupo (Li.). Atlantic— 

 Hatnmonton (C), Egg Harbor (Mac). 



4. Xyris conocephala Sauv. M. p. 236. In dry pine-barrens. Early 



summer. 

 Burlington — Batsto, Taunton (C), Woodmansie (He.). Atlantic 

 Hammonton (Cr.). Ocean— Forked Biver (He.). 



Family 2. ERIOCAULACEAE Lindl. Pipe-wort Family. 



I. EEIOCAULON L. Pipe-wort. 



Leaf -blades as long as the sheaths, coarsely 3-9-fenestrate-nerved; scapes 

 7-angled; heads 3-6 mm. in diameter. 

 Heads densely pubescent, outer flowers spreading, scales reflexed, scape 

 slender. 1. E., septangulare. 



Heads nearly smooth, flowers and scales all erect, scapes stout. 



2. E. Parheri. 



Leaf -blades shorter than the sheaths, finely 6-20-fenestrate-nerved ; scapes 



10-12-angled; heads 6-12 mm. in diameter. 3. E. compressum. 



Leaf -blades much longer than the sheaths, finely 10-50-nerved; scapes 10-14- 



angled; heads 8-16 mm. in diameter. 4. E. decangular e. 



1. Eriocaulon septangulare With. M. p. 237. In ponds or along their 

 borders. Summer. 

 Bucks— Bristol, Mart. (Fr.)'. 



New Jersey— Common. < 



New Castle— Biver shore and St. George's. 



