ENGELMANN— NORTH AM. SPECIES OF JUNCUS. 435 
8. Apiculati. 
e..J- — Willd. 
munis, all over the country. 
te sna Pennsylvania to New England. 
ys asia ensntd California. : 
24. J. dichotomus, Ell., Dist. wie a to Louisi 
25. J. Gerardi, Lois., eastern sea and lake coasts, sal: salines. 
b. Ramosi, caulophylli, diffusi. 
26. J. bufonius, Lin., all over the country. 7 
*sonuoy, 
C. Glomeruliflori. 
* Hexandri (No. 30, 3-6- 
andrus). 
27. J. repens, Michx., Maryland to Louisiana. 
28. J. falcatus, E. Mey., reg ¢ coast. 
29. J. longisty lis, Torr; Roe ca fhe ountains te north- westward. 
30. J. Buckleyi (J. filipendu us, site Texas. 
yurezf) 
“Touluied 
“-é andri. 
31. J. marginatus, Rostk., pat and central States to 
ITI. eae ARTICULATI, caule peeces foliis septis transversis inter- 
ceptis inde nodoso-articulat 
A. Articulati ot foliis horetil a. seu leviter (in No. 40 
reti-compressis 
a. EE, 
1. Sub-singuliflori. 
32. J. ese E. Mey. (J. Conradi, Tuck. va Newfound- 
land to oi Curolied, and along the great Lakes. 
8. crassicaudex (J. abortivus, Chap.), Florida, 
y(?). sub tiie, Canada. 
2. Pauciflori (No. 37, var. 6, ad 
multifloros accedens). 
* Hexandri. 
33. J. articulatus, Lin., Northern New bas & New England. 
34. J. atone Vill. (J. pelocarpus, Gray), North-western 
ork to the Rocky Mountains and the Arctic re- 
“qujnonsy 
35. J. nilitaris, Bigel., New England and southward, 
** Triandri. 
36. J. consis Chapm., N. Carolina to Florida & Alabama. 
pallescens, Lam 
ST. J. 
a. di inns, Te xas. 
8. debilis (J. acuminatus, Mx.), —— and southern 
States east of the Mississi 
- robustus, Mississippi valley from iilinois to Louisiana. 
6. fraternus (J. paradoxus, a ) ene and Mas- 
sachusetts to the Rio 
