434 TRANS. OF THE ACAD. OF SCIENCE. 
** Triandri. 
. J. procerus, E. Mey.(?), California 
. J. effusus, Lin., over the whole country. - 
p: saree floribus plerumque pau- 
, sepe viridulis, sepa- 
lis fruetiferis seepe eras 
caps bosa 
1. Aphylli. 
8. J. patens, E. Mey., California. 
9. J. filiformis, Lin., northward. 
2. oe 
10. J. Smithii, . sp., Pennsylva 
ll. J. setaceus, Rostk., Virginia rr ‘as 
b. Pauciflori, panicula vix usquam composita. 
- Apiculati. 
12. J. arcticus, Willd., Greenland. 
ub-sp. J. Sitchensis, ratte coast. 
8. Caud 
*soUnWIULOQ 
"TOHOLY 
1, ae 
13. J. Drummondii, E. Mey., Rocky Mountains and north- 
estward. 
= Foliiferi. 
14. J. —— n. sp., Colo 
15. J. Parryi, 0. sp., Rocky Mountains, and mountains of 
California and Oregon 
II. Juncr craminiroiu, caule nudo seu foliato; foliis es seu 
semi-teretibus canaliculatis seu raro sub-teretibus 
A. Macrospermi, alpini, semaine paucis magnis cau- 
datis, foliis fistulosi 
a. Pauciflori. 
16. J. trifidus, Lin north-eastern mountains. 
17. J. biglumis, Lin., Arctic regions 
b. Capitellati. = 
18. J. triglumis, Lin., Rocky Ramage ea’ to Arctic regions. = 
19. J. boos aes Lin., Western New York to Maine and New\ > 
run 
20. J. castaneus, Smith, Rocky Mountains to Arctic regions. 
B. Singuliflori. 
a. Simplices, nudicaules, erecti, 
udati. 9 
21. J. Vaseyi, n. sp., Lake Michigan to Colorado. 4 
22. J. Greenii, Oakes & Tuck., New England. B 
* The triandrous J. Pylei, La Harpe, which i tirely unknown to 
seems to belong here or near J. arcticus, ea oo 
