ig2 



LENTIBULARIACEAE. 



[Vol. III. 



10. Utricularia intermedia Hayne. 

 Flat-leaved Bladderwort. (Fig. 3351.) 



Utricularia intermedia Hayne in Schrad. Journ. 

 Bot. 1: 18. 1800. 



Scape capillary, i'-\o' high, naked, or -with a 

 few scales. Branches floating, 2 / -6 / long; 

 leaves %'-% f long, more or less scattered, 2- 

 ranked, repeatedly dichotomous, the segments 

 linear, flat, Y% ,f wide or less, the margins bristly- 

 serrulate. Bladders, with rare exceptions, borne 

 on leafless branches; flowers 1-5, yellow; corolla 

 ]/ 2 ' broad, its lower lip broad with a large palate 

 and exceeding the upper; spur conic, sub acute, 

 nearly as long as the lip, to which it is appressed. 



In shallow water along the margins of pools and 

 ponds, Cape Breton to British Columbia, south to 

 New jersey, Minnesota and California. Also in 

 Europe. The plant is commonly propagated by 

 the velvety-looking winter buds, which are buried 

 in the mud at its base. June-Aug. 



11. Utricularia fibrosa Walt. Fibrous Bladderwort. (Fig. 3352.) 



Utricularia fibrosa Walt. El. Car. 64. 1788. 

 Utricularia striata Le Conte, Ann. Eye N. 



Y. 1:75. 1824. 

 Utricularia bipartita Chapm. Fl. S. States, 



283. i860. 



Scape slender, naked, or with very few 

 minute scales, 3 / -i2 / high. Leaves scat- 

 tered, dichotomously divided, small or 

 sometimes scarcely any, the segments cap- 

 illary; bladders often on leafless branches, 

 sometimes none; flowers 1-6, yellow; cor- 

 olla 4 // -6 // broad, the lips nearly equal, 

 broad, the upper undulate or 3-lobed, the 

 middle lobe striate; spur nearly linear, ob- 

 tuse, ascending, nearly equalling or some- 

 times exceeding the lower lip. 



In shallow ponds and swamps, Long Island 

 to Florida and Louisiana, mostly in pine 

 barrens. June-July. 



12. Utricularia minor L. Lesser 

 Bladderwort. (Fig. 3353. ) 

 Utricularia minor L. Sp. PI. 18. 1753. 



Scapes slender, 2 / -y / high. Branches floating, 

 short; leaves much scattered, dichotomously 

 divided, the divisions few and setaceous; blad- 

 ders borne among the leaves, few, often none, 

 the largest not over \" long; flowers i-to, pale 

 yellow, racemose; corolla 2"-^" broad, ringent, 

 the upper lip smaller than the lower; spur usu- 

 ally reduced to a blunt broad protuberance, 

 shorter than the lips; pedicels reflexed in fruit. 



In shallow ponds and in bogs, Greenland and 

 Labrador to British Columbia, south to New Jersey, 

 Arkansas, Utah and California. Also in Europe. 

 June-July. 



