244 NORTH AMERICAN SPECIES OF JUNCUS. 
II. JUNCI GRAMINIFOLII, caule nudo seu foliato; foliis planis seu semiteretibus canaliculatis seu raro subteretibus. 
A. SAN alpini, seminibus paucis magnis caudatis, foliis fistulosis. 
auciflori. 
16. J. trifidus, Linn., northeastern mountains. ) 
17. J. biglumis, Line, Arctic regions. 
b. Capitellati. =f 
18. J. triglumis, Linn., Rocky Mountains to Arctic regions. 5 
19. J. stygius, Linn., western New York to Maine and New Brunswick. 
20. J. castaneus, Smith, Rocky Mountains to Arctic regions. 
B. Singuliflori. 
Ae a rae erecti. 
Cav 
21. J. Vaseyi, n.’sp., Lake Michigan to Colorado. 
' 22. J. Greenii, Oakes & Tuck., New England. 
B. Apiculati. 
23. J. tenuis, Willd. 
communis, all over the country. 
. secundus, Pennsylvania to New England. 
congestus, California 
24. J. dhilciacta: Ell, District of Columbia to Louisiana 
J. Gerardi, Lois., pani rn sea and lake coasts, and ankigeks 
De Banicel, spot diffusi. 
26. J. bufonius, Linn., all over the country. J 
"SHANA, 
C. Glomeruliflori. 
. 
* Hexandri (No. 30, 3-6-andrus). 
27. J. repens, Michx., Maryland to Louisiana. 
28. a JSalcatus, E. Mey., Pacific coas 
29. longistylis, Torr., Rocky Mouths and northwestward, 
30. ; leptocaulis, Torr. & Gray (J. filipednulus, Buckl.), Texas. 
* « Triandri 
31. J. marginatus, Rostk., Atlantic and central States to Texas. 
*IANIKVUD) 
Ill. JUNcr aARTICULATI, caule folioso ; foliis septis transversis interceptis inde nodoso-articulatis. 
A. Articulati veri, foliis teretibus seu leviter (in No. 40 var. forte) tereti-compressis. 
a. Apiculati. 
1. Sub-singu ; 
< 32. J. pelocarpus, E. Mey. (J. Conradi, Tuck. . Nevfoun to South Carolina, and along the great Lakes. 
B. crassicumlex (J. abortivus, Chapm.), Florid 
y- (2). subtilis, Canada. a 
é 2. —— (No. 37, var. 8, ad multifloros mccain 
exandri. 
33. articulatus, Linn., northern New York and New Englan 
34. = —- Vill. (J. pelocarpus, Gray), northwestern New a to the Rocky Mountains and the Arctic regions. 
35. J. ris, Bigelow, New England and southward. 
* * Triandri. 
36. J. Elliottii, Chapm., North Carolina to Florida and Alabama. 
37. J. pallescens, Lam. 
a. diffusissimus, Texas. 
B. debilis (J. alee Mx.), middle and southern States east of the Mississippi. 
y- robustus, Mississippi valley from Tlinois to Lonisinnn. 
8. fraternus (J. paradoxus, Mey.), _ Michigan and M tts to the Rio Grande. 
‘TLV IOV 
andri. 
38. . brachycarpus, n. sp., moraapen mar and to the Rio Grande. 
J. Bolanderi, n. sp., Cal 
stemon. ; 
ve —— Sonth Carolina to Texas. B. brachystylus, New Jersey to Arkansas and Texas. 
B. brachystemc 
a aadion Maryland to Florida and Texas. _—B._ gladiatus, North Carolina to Arkansas and Texas. 
n de foe * Hexandri. 
! genuinus, Pennsylvania to Canada and to the northwest coast. 
— Texanus, Texas. 
y. megacephalus, 
western New York, southwestward to Texas and California. J 
