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626 



JUNCACEiE. 



Jxincus vaseyi Knfjelm. Trans. St. Louis Acad, ii, 4IH (l^fifi). 



In liiibil vfiy iiiiuh reseiubliiiy the next, from which it ditlcis in tlic lonjier, nar- 

 rower capsnlc aii<l the tailed seeds. It was (ji-owing togctlier with the next at Hot 

 Springs, altitude 1,050 in., August 3 (No. 1051). 



Juncus tenuis Willd. Sp. PI. ii, 211 (1799). 



Hot Springs, altitude 1,050 m., August 3; Custer, altitnd.- 1.050 ni.. May 30 (No. 1055). 



Juncus bufonius L. Sp. PI. i. 328 (1753). 



Kare: Ih-rinosa, altitude 1,050 m., Juno 22 (No. 1056). 



Juncus longistylis Torr. ]5ot. Mex. Bound. 223 (1859). 



Not common: Lead City, altitude 1,700 ni., July 6 (No. 1057). 



Juncus xiphioides niontanu.s Kngelni. Trans. Acad. St. Louis, ii, 181 (1868). 



Kare; vcct meadow : Custer, altitude 1,000 ni., August 10 (No. 10.58). 



Juncus nodosus L. Sp. PI. ed. 2, i, 166 (1762). 



r.anks of Fall Kiver, near Hot Springs, altitude 1,0.50 ni.. August 3 (No. 1060). 



Juncus torreyi Covillc, Bull. Torr. Cluh. xxii, 303 (1895); Jiiiniis nodosus megace- 

 phalits Torr. V\. N. Y. ii, 326 (1843), not J. mcgaoephalnH Curtis. 



With the preceding (N'o. 1061). 



Juncoides comosuni (Meyer) Sheldon, Bull. CJcol. Nat. Hist. Surv. Minn, ix, 61 

 (1891 ) ; J.nziila omom Meyer, Syn. Lu/,. 18 (1823). 



Kare: Elk Canyon, altitude 1,200 ni., June 29 (No. 1062). 



ALISMACEiE. 



Sagittaria arifolia (Nutt.) J. G. Smith, Ann. Kep. Mo. Bot. Gard. vi. [reprint 6] 

 (1891). 



The akcnes are not mature enough for satisfactory identification. Custer, altitude 

 1.600 m.. July 16; Hot Springs, altitude 1,0.50 m.. August 3 (No. 1063). 



ZANNICHELLIACEiE. 



Potamogeton pectinatus L. S]). I'l. i, 127 (1753). ^ 



In the warm springs above Hot Spring.s, altitude 1,050 in,, August 3 (No. 1064). 

 Potamogeton foliosus Kaf. Med. Kep. ser. 2, v, 354 (1808). 

 In the warm springs: Hot Springs, altitude 1,0.50 m., June 15 (No. 1065). 



LEMNACEi9S. 



Lemna minor L. Sp. TM. ii, 970 (1753). 



i.'.ipid Cnek, altitude 1,000 in., July 25 (No. 1066). 



CYPERACE^. 



Cyperus aristatus l.'otth. Desc. A Icon. 23 (1773). 



Kare: only a fews'mali specimens colleeted in IJnhy (Jlen, Cuater, altitude 1,700 ni., 

 August 19 (No, 1007). 



Cyperus acuniinatus Torr. A Hook. Ann. Lye. N. Y. iii, 4.35 (1836). 

 Wet meadow: Cust.-r, altitude 1,700 in., July 16 (No. 1068). 



Scirpus americanus Pers. Syn. i, 68 (1805). 



Very r:iie; only one poors])eciiucn secured : IJk Canyon, altitude 1.200 m., .luiio 29 

 (No. 1069), 



Scirpus lacustris L, Sp, I'l, i, 18 (17.53). 



r.lk Canyon, altitude 1,200 m., .Iniie 29 (No. 1070). 



Scirpus atrovirens pallidus Brilton, Trans. N. V. Aiad. i\. II (1889). 



In French Creek, at Custer, altitude 1,600 m,, August 1 (No, 1071). 



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