£&0 LEHTIMLACKJL 



F,>->ngy. Fidunclsj 6 to 10 together, arising in a sort of umbel from tho top of Um 

 *u?E3, 8 to lu inches long. Flowers small, white in numerous verticcls. 



ORDER G7. LENTI3ULACEZE. —Bladdcrxcort Family. 



Sm-iU ajuatte herb*, fcith a llipptd cdyi, and a Hipped personate eoroUa, 2 tti- 

 pu-n; vi^h l-cdled un'a-rs, and a l-ccllci ovary vritH a fret, antral plaeentr, bearing 

 MMtropoNf .w/s.—C>k.olla deeply 2Jipped, sprrred at the base in front: tlie .palate 

 usually bearded. Ovary fre". Sttlk very short or none. Suaau 1 to 2-lipped, 

 the lower lip lon^r and r^Toluta over tho approximate anthers. Garscu c-fico 

 barsjiog Irregularly. "Sesixa l-ferrficwertd. 



1. UTRTCULAIIIA, Linn. Bladderwort. 



Name from utricutus, a littlo blad ler. 



Calyx 2-parted, snbeqnal, the lips entire or nearly so. 

 Corolla personate, the palate on the lower lip projecting, 

 and often elosing the throat. Stamens 2. Stigma biia- 

 liiate. Capsule globular, 1-celled. — Immersed aquatic 

 herbs, with, axillary dissected leave*, mostly bearing little bladders, 

 which are filled with air and float the plant at the time of 'Jlvwering, 

 a::d erect i capes bearing yellow or purplish fiewcrs. 



1. U. inflata, Walt. Inflated Bladder ie-ort- 



TJpprr leaves va a whorl, floating; leafstalks inflated, each into an oblong blad- 

 der; lower leaves capillarcpa?, dissected ; scape 4 to 10-nower:?J; spur eonicsl. J^ 

 a* Ion gas the corolla; ttyle distinct. 



Vc.-l'. Ang. S'cm very Ir.nr. branrhing, snpwer.ded in the water by a r.nsis 

 i*regular whorl of 5 or 6 floating, inflated leaves which are oblong, cleft, and pin- 

 LAtifid at the cud. Flowers large, yellow, on a scape 8 inches long, poduueiod, 

 v:th sheathing bract?. 



2. U. PURPUREA, Walt. Purple Bladderwort. 



Stem* long, floating, branched; leaves whorled along the submerged eterosvpo- 

 tioled, decompound, capillary, bearing many bladders; soojm assurgent, 2 to 4- 



Sc.Wercd ; simr appressed to the lowor lip of the corolla and about l 4 a\ long. 



Ponds. Aug. Sept. Stem 1 to 3 feet long. Leave* U-o inch's long. Fienetrs 

 violet-purple, with a grecni-h spur on axillary, solitary scapes 2 to 4 inches 1oe§. 



3. U. vulgaris, L. Common Bladdcricort. 



floating; s*em iinmer.-od, 2-forkcd ; Trails many-parted, crowded on the Irrog 

 ftoci', capillary, bearing many bladders: fiovcers 5 to 12, on scape* ; upper lip of 

 the closed corrolia, soorce':y longer than the prominent palate; spur conical iur 

 car red. 



Pools and ponds of deep water; common. July, Aug. TVr. Root math 

 branched. Jmm--rs»l ttcms 1 to 3 ft-et long. Leiixs very numerous 1 inch long. 

 Flouers \£ to Jj[ inch broad, yellow, raocmed on scapes G to 12 inches long, rising 

 eut of the water; 



4. U. cornuti, Michx. Iljrncd Bladderwort. 



Stem erect, rigid, 2 to 7-flowcred : pedicel* not longer than the calyx : upper Np of 

 the corolla obovato. entire; lower hp large and helmet shaped; spur awi-ehapul. 

 turned downwards. 



Joct bog? ted sandy rvrempj. June— Aug. Score 8 to 12 inttc-s hi^, 





