286 OROBANCHACBAE 



2. Utiicularia resupinata B. D. Greene. REVBRSED Bi,addERWORT. 

 (Man. p. 846 ; I. F. /. 3344.) In sandy bogs and borders of ponds, Me. 

 to Fla., west to Mich. — Pennsylvania: Erie, Presque Isle. 



3. Utrioularla inflata Walt. Swoi,i<EN Bi<adderwort. (Man. p. 

 846 ; I. F.y. 3347.) In ponds, Can., Me. to Fla. and Tex., mainly near the 

 coast. — Pennsylvania : Bucks, Bristol. 



4. Utricularia purpurea Walt. Purpi,E Bladderwort. (Man. p. 

 847 ; I. F. y! 334S. ) In ponds, Me. to Fla., mainly near the coast ; also 

 in Ind. — Pennsylvania : Carbon, Great Lake. 



5. Utricularia vulgaris L. GREATER BladderworT. (Man. p. 847; 

 I. F. /. 3349-) In brooks and ponds, Newf. to Fla., B. C. and Calif. Also 

 in Eu., Asia, Cuba and Mex. — Pennsylvania : Monroe ; Northampton ; 

 Bucks ; Dei<aware ; Lancaster ; Erie, Presque Isle ; Beaver. 



6. Utricularia clandestina Nutt. Hidden-FRUited Bi,addERW0RT. 

 (Man. p. 847 ; I. F. /. 3330.) In shallow ponds, N. B. to Pa. and N. J. 

 — Pennsylvania : Wayne ; Mcnroe ; Huntingdon ; Crawford ; 

 Erie, Presque Isle. 



7. Utricularia intermedia Hayne. FlaT-leavEd Bi,adderworT. 

 (Man. p. 847 ; I. F./. 3351.) In shallow water. Cape Breton to B. C, N. 

 J., Minn, and Calif. Also in Eu. — Pennsylvania : Northampton ; 

 Tioga ; Bucks ; Erie, Presque Isle. 



8. Utricularia gibba L. Humped Bladderwort. (Man. p. 847 ; I. 

 F. /. 33S4-) In shallow water, Ont. to Me., Mich., Ala. and 111. — Penn- 

 sylvania : Bucks ; LAiircASTER ; York ; Luzerne ; Franklin. 



Family 12. OROBANCHACBAE Lindl. Broom-rape Family. 

 Flowers perfect and complete throughout. 

 Calyx regular or essentially so, with 2-5 teeth. 

 Calyx-lobes nearly equal : bractlets wanting. i. Thalesia. 



Calyx-lobes unequal ; bractlets present. 2. Orobanche. 



Calyx irregular, spathe-like, the lower side split, the upper with 3-4 teeth. 



3. CONOPHOLIS. 

 Flowers various, cleistogamous on the lower part of the spike, complete but 

 mostly sterile above. 4. Leptamnium. 



1. THALESIA Raf. 



1. Thalesia uniflora (L.) Britton. OnE-FLOWEREd Broom-rapE. 

 Cancer-root. (Man. p. 849 ; I. F. f. 3338.) In woods and thickets, 

 Newf. to B. C, Va., Ohio, Tex. and Calif. — Pennsylvania : Pike ; North- 

 ampton ; Bucks ; Delaware ; Chester ; Lancaster ; Franklin ; 

 Somerset ; Allegheny. 



2. OROBANCHE L. 



1. Orobanche minor J. E. Smith. LESSER or Clover Broom-rapE. 

 (Man. p. 849 ; I. F. /. 336/.) Parasitic on the roots of clover, N. J, and 

 Pa. to Va. Nat. from Eu. — Pennsylvania : Northampton. 



