210 BOTANY OF THE DEATH VALLEY EXPEDITION. 



LEMNACE5!. 



Lemna valdiviana Phil. Linnnea, xxxiii. 239 (1864). 



Observed in the upper spring at Vegas Ranch (No. 401); near Lone Pine; on the 

 South Fork of Kern River ; in Walker Basin; and at Willow Spring, Antelope Valley. 



ALISMACEiE. 



Alisma plantago L. Sp. PI. i. 342 (1753). Type locality European. 

 Near Visalia (No. 1274). 



NAIADACEiE. 



Triglochin maritimum L. Sp. PI. i. 339 (1753). Type locality European. 



In a small alkaline meadow near an open pond, a few miles south of the middle 

 station, on the road from Searles's to Mohave this plant occurs, growing with Juncus 

 balticua and other paludose plants. 



Triglochin palustre L. Sp. PI. i. 338 (1753). Type locality European. 

 Near Mineral King (No. 1433). 



Potamogeton 1 foliosus Rat". Med. Rcpos. hex. 2. v. 354 (1808). Type locality, 

 as given by Miebaux, Fl. i. 102 (1803), "in rivis affluente mari iuundatis Carolina; 

 inferioris." 



Valley of the North Fork of Kern River (No. 1585). 



Potamogeton foliosus niagarensis (Tuckerm.) Amer. Journ. Sci. ser. 2. vii. 354 

 (1849), as P. niagarensis; Morong, Mem. Torr. Club, iii. no. 2. 39 (1839). Type locality, 

 "Niagara Falls, near the brink of the Hog-back." 



In a stream in Walker Basin (No. 1092), and in an irrigating ditch near Visalia 

 (No. 1243). 



Potamogeton heterophyllus Schreb. Spic. Fl. Lips. 21 (1771). Type locality 

 European. 



Near Whitney Meadows (No. 1693). This is a small form with tuberous rootstocks 

 like the variety myriophyllus. 



Potamogeton lonchites Tuckerm. Amer. Journ. Sci. ser. 2. vi. 226 (1848). Type 

 locality, " in the Charles [River] at Newton and Natick," Massachusetts. 

 Near Bakerstield (No. 1244), and near Visalia (No. 1278). 



Potamogeton spirillus Tuckerm. Amer. Journ. Sci. ser. 2. vi. 228 (1818). Type 

 localities, "in the Charles and in the Mystic [rivers], and also in the Middlesex canal," 

 Massachusetts. 



Near Visalia (No. 1283). 



Ruppia maritima L. Sp. PI. i.127 (1753). Typo locality European. 



This seaboard aquatic was found only in tin; large pool at Saratoga Springs (No. 

 3)6); in a pool at Hot Springs (Nos. 683,7^9); in Teh achapi Lake; and in Castac 

 Lake (No. 1147). No. 306 was without ilowers or fruit. 



Zannichellia palustris L. Sp. PL ii. 969 (1753). Type locality, "in Europe, Vir- 

 ginia 1 , fossis, lluviis." 



In the large spring at Ve^as Ranch (No. 399) ; in the spring by the old adobo house 

 between Keeler and Lone Pine; in springs near Little Owens Lake; in pools along 

 the South Fork of Kern River; and in Willow Spring and Crane Lake, Antelope 

 Valley. 



Naias marina L. Sp. PI. ii. 1015 (1753). Type locality European. 

 In a spring at Ash Meadows, Nevada (No. 371). 



•The specimens of Potamogeton have been identified by Dr. Thomas Morong. 



