PIPER FLORA OF THE STATE OF WASHINGTOIST. 523 



PINGITICULACEAE. 



Aquatic plants ; leaves dissected Utricularia. 



Terrestrial plants; leaves entire Pinguicula. 



TJTRICTJLARIA. Bladderwort. 



Leaves 2 to 3-pinnately divided, very bladdery; flowers large 1. U. vulgaris. 



Leaves repeatedly dichotomous ; flowers small. 



Bladders mostly on leafless branches 2. U. intermedia. 



Bladders among the leaves. 



Spur of corolla short and obtuse 3. U. minor. 



Spur of corolla conical, acute 4. U. occidentalis. 



1. Utricularia vulgaris L. Sp. PI. 1: 18. 1753. 

 Type locality: European. 



Range: British Columbia to California, Texas, and Newfoundland. 

 Specimens examined: Mud Lake, near Seattle, Piper 1103; Whidby Island, Gardner 

 368; Olympia, Kincaid, June, 1896; Falcon Valley, Suksdorf 468. 

 Zonal distribution: Humid Transition. 



2. Utricularia intermedia Hayne, Schrad. Journ. Bot. 1 : 18. 1800. 

 Type locality: "Habitat in inundatis prope Berolinum et Upsaliam." 



Range: Subarctic regions, southward to California, Ohio, and New Jersey. Europe. 

 Asia. 



Specimens examined: Falcon Valley, (SuArstfor/" 168. ' 



3. Utricularia minor L. Sp. PI. 1: 18. 1753. 

 Type locality: European. 



Range: British Columbia to Canada, southward to California, Utah, and New Jersey. 

 Europe. Asia. 



Specimens examined: Mud Lake, near Seattle, Piper in 1891; Olympia, Kincaid in 

 1896; Skamania County, Sutsdor/ 2239. 



Zonal distribution: Humid Transition. 



4. Utricularia occidentalis A. Gray, Proc. Am. Acad. 19: 95. 1884. 



Type lo«ality: "Washington Territory in Falcon Valley." Collected by Suksdorf. 



Range: Known only from the type locality, 



Sp'ecimens examined: Falcon Valley, iSutsf^or/ 169 (type), 469; Henderson, 



2. PINGUICULA. 



1. Pinguicula vulgaris L. Sp. PI. 1: 17. 1753. 



Type locality: European. 



Range: Oregon to the Adirondacks and northward. 



Specimens examined: Olympic Mountains, Piper, August, 1895; Elmer 2526; Mount 

 Rainier, Piper 2067; Fleft 237; Silverton, Bouclc 177a; Mount Stuart, timer 1212; 

 Brandegee 1031; Skagit Pass, Lake cfe Hull 582; Stevens Pass, Sandberg & Leiherg 793; 

 Loomis, Elmer, September, 1897. 



Zonal distribution: Hudsonian and Arctic. 



PLANTAGINACEAE. Plantain Family. 



PL ANT AGO. Plantain. 

 Leaves ovate or lanceolate. 



Seeds numerous ; leaves ovate i. P. major. 



Seeds only 2 to 4; leaves lanceolate 2. P. lanceolata. 



