BIANDRIA MOXOGYNIA, 



SI 



lOf 



coroTIfe majiisculsc I lower lip of the 



la bio in fc no re obscure 3- 

 lobato ; calcare emargi- 

 nato. 



Walt. p. 64. Pursh, J. p. 15 ? 



Stem 2 — S feet long, rounJ, subinersed. 

 3 flowered ; common peduncle 6 

 eduncle 1 — 2 inches long, slender. 



large 



corolla obscurely 3 lobedi j 

 spur emarginatc. ' 



2 



racemes, 

 prone 



r'oro//« larjue, yellow; upper lip 

 arge, rounded, obscurely S iobed ; lower lip smaller ; spur subulate, as 

 lonjr as the lower lip. 



From spiecimens sent from St. John's, by Dr. Macbride. 



Grows in St. John's. Sometimes when deserted by the water ap- 

 pears to shoot from the base of eacli peduncle, iibrons roots sparingly 

 furnished with utriculi. Corolla Large but not equal in §lz.e to that of 

 the U. inRata. 



Flowers September — October. 



3« Sac CAT A. Le Conte, 

 U. iluitan& ; pedun- I Floatln 

 culis axillaribus subuni- axillarv, 



i oris : "-- "' - -r. 



& 



generallv 



iKiduncles 



one 



involucro nullo : flowered ; invokici 



ollae labio 



fe 



trilobato, lobis late 



apice 



Le Conte 



lower lip of the ( 

 Iobed, lateral lol 

 ing in small sack 



end- 



4 



U. purpurea, Pursh, 1. p. 15. 



Stem 1 — 2 fact long, terete, glabrous, submersed. Lmves alternate,^ 

 5 parted at base, as if verticillate,- each segment airain divided m 

 "" ' * •" ' " Tednndes 



a similar manner: upper segments pinnatifid all setaceou.-; 

 1 — Sin each nsil, 2 — 3 inch " " • - 



ered. Leaves of the calyx emarginate. Corolla purple: upper 1ip nearl v 

 round^ the lower longer; the lateral lobes cucul'.atc?' by the formation 

 of their sacks nearly conicj the middle one longer, oval, with Its mar- 

 gin reilected; spur subulate,, compressed, half as long as the iowf-r lip, 

 appressed to the middle lobe, covered by its reilescd maro-;ns,au(l 

 closing the mout!»s of the lateral sacks. Seed very numerous and 

 small, attached to little tubercles on a central receptacle. 



Grows in stagnant water. Extensively diifused, thou^ili to me, not 



very common. 

 Flowers June 



•July. 



4. LoNciROSTuts. Le Conte. 



U. fluitans: involucro 



nullo; pedunculis i 



■2 



floris 



J 



calcare coroUsc 



Floating; involucrum oj 

 peduncles i — 3 flower- 



ed 



? 



sp u r 



longer 



til an 



'^ 



#^ 



