ENGELMANN — NORTH AM. SPECIES OF JUNCUS. 
485 
(3. Apiculati. 
23. J. tenuis , Willd. 
a . communis , all over the country. 
p. secundus, Pennsylvania to New England, 
y. congestus , California. 
24. J. dichotomus, Ell., Dist. Columbia to Louisiana. 
25. J. Gerardi, Lois., eastern sea and lake coasts, and salines. 
b. Ramosi, caulophylli, diffusi. 
26. J . bufonius , Lin., all over the country. 
C. Glomeruliflori. 
* Hexandri (No. 30, 3-6- 
andrus). 
27. /. repens , Michx., Maryland to Louisiana. v 
28. J. falcatus, E. Mey., Pacific coast. | 
29. J. longistylis,Torr., Rocky Mountains and north-westward, j ? * 
30. J. Buckleyi (J. filipendulus, Buckl.), Texas. ( | 
** Triandri. \ g 
31. J. marginatus , Rostk., Atlantic and central States to I 
Texas. ‘ 
III. Junci ARTicuLATi, caule folioso; foliis septis transversis inter- 
ceptis inde nodoso-articulatis. 
A. Articulati veri, foliis teretibus seu leviter (in No. 
var. forte) tereti-compressis. 
a. Apiculati. 
1. Sub-singuliflori. 
32. /. pelocarpus , E. Mey. (J. Conradi, Tuck.), Newfound- 'j 
land to South Carolina, and along the great Lakes. 
p. crassicaudex (J. abortivus, Chap.), Florida, 
y(?). subtilis , Canada. 
2. Pauciflori (No. 37, var. 6, ad 
multifioros accedens). 
* Hexandri. 
33. J. articulatus , Lin., Northern New York & New England. 
34. J. alpinus, Till. (J. pelocarpus, Gray), North-western 
New York to the Rocky Mountains and the Arctic re¬ 
gions. 
35. J. militarise Bigel., New England and southward. 
** Triandri. 
36. J. Elliottii , Chapm., N. Carolina to Florida & Alabama. 
37. J. pallescens, Lam. 
a. diffusissimits , Texas. 
p. debilis (J. acuminatus, Mx.), middle and southern 
States east of the Mississippi, 
y. robustus , Mississippi valley from Illinois to Louisiana. 
fraternus (J. paradoxus, Mey.), Michigan and Mas¬ 
sachusetts to the Rio Grande. 
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