286 OROBANCHACEAE 



2. Utxicularia resupinata B. D. Greene. REVERSED Bladderwort. 

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

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



3. Utricularla inflata Walt. Swollen Bladderwort. (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. Purple Bladderwort. (Man. p. 

 847 ; I. F. f. 3348. ) In ponds, Me. to Fla., mainly near the coast ; also 

 in Ind. — Pennsylvania : Carbon, Great Lake. 



5. Utricularia vulgaris L. GrE-ATER Bladd^wort. (Man. p. S47 ; 

 I. F./. 334.g-) In brooks and ponds, Newf. to Fla., B. C. and Calif. Also 

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

 Bucks ; Del.aware ; Lancaster ; Erie, Presque Isle ; Beaver. 



6. Utricularia clandestina Nutt. Hidden-fruited Bladderwort. 

 (Man. p. 847 ; I. F. f. 3350.) In shallow ponds, N. B. to Pa. and N. J. 

 — Pennsylvania : Wayne ; Mcnroe ; Huntingdon ; Crawford ; 

 Erie, Presque Isle. 



7. Utricularia intermedia Hayne. Fl.^T-leaved Bladderwort. 

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

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

 TiOG.A ; Bucks ; Erie, Presque Isle. 



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

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

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



Family 12. OROBANCHACEAE Lindl. Broom-rape Family. 



Flowers perfect and cotnplete 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. S49 ; I. 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. f. 33()i.) Parasitic on the roots of clover, N. J. and 

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



