6o 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



15. Utricularia L. Sp. PI. i8. 1753. {Lentibidaria Hill, 1756; 

 Xananthes Raf. 1838; Haniulia Raf. 1838; Lepiactis Raf. 

 1838; Megozipa Raf. 1838; Trilohiilina Raf. 1838; Plesisa Raf. 

 1838; Plectoma Raf. 1838.) Herbae aquaticae, caulibus sub- 

 mersis foliosis, radicibus nullis. Folia alterna, dissecta, interdum 

 radiciformia, sessilia et profunde 2-8-partita, itaque simulate 



^^-N 



19. Utricularia. U. macrorhiza LeConte. a. Scape, with flowers, half natural 

 size. b. Scape, with fruit, half natural size. 



20. Utricularia. U. pumila Walt. Plant, half natural size. 



21. Utricularia. U. minor L. Plant, half natural size. 



opposita vel vcrticillata; scgmenti dichotome vel pinnate dis- 

 secti, aliquot vel omnes ascidiiferi. Ascidia 2-rostrata, rostris saepe 

 setiformibus ct plus minus dissectis. Scapus squamatus vel esqua- 

 matus, i-multiflorus; sc|uamae alternae, basifixae, vel interdum 

 subverticillatae vel verticillatae et ampuUiforniae; bracteac basi- 

 fixae, interdum auriculatae; bracteolae nullae. Calyx 2-partitus; 

 lobi concavi, herbacei. Corolla valde 2-labiata; palatum saepis- 

 sime prominens, 2-lobatum; calcar subconicum vel saccatum. 



