Myriopliyllum. Proserpinaca.] HALORAGE^. 357 



122. Hook. Corap. Bot. Mag. 1. 46. Nutt. Fl. Ark. 141. Torr. & Gra.y, Fl. 1. 529. 

 Eat. & Wr. 324. Gray, PI. Liudh. 191 ; PI. Wright. 1. 72 & 2. 59; Manual, 175. 

 Dietr. 5. 302. Chapman, 143. 



Polamoijeton verticiUatum. "Walter, 90. 

 M. hippuroides. Nutt. ; Torr. & Gray, Fl. 1. 530. Walp. Eep. 2. 98. Dietr. 

 5. 302. Gray, Proc. Am. Acad. 8. 383. Brew. & Wats. Bot. Calif. 1. 215. 



M. scahratum. Cham, in Linnaea, 4. 500. 

 M. laxum. Shuttleworth ; Chapman, 143. Young, Fl. Texas, 272. 

 M. scabratum. Michx. Fl. 2. 190. Persoon, 2. 503. Poir. Diet. 8. 686. Pursh, 

 274. Elliott, 2. 588. Spreng. Syst. 3. 853. DC. Prodr. 3. 69. Don, Mill. 2. 704. 

 Hook. 1. c. I. 46. Nutt. Fl. Ark. 141. Torr. & Gray, Fl. 1. 529. Eat. & Wr. 

 325. Dietr. 5. 302. Chapman, 144". Gray, Manual, 175 ; Hall's PI. Texas, 9. 



Potamogeton pinnatum. Walter, 90. 

 M. spicatum. Linn. Spec. 992. See syn. in Willd. Spec. 4. 406 ; Ledeb. Fl 

 Eoss. 2. 118 ; Pritzel, Ind. Ic. Bot. 1. 732 & 2. 190. — Michx. Fl. 2. 190. Poir. Diet, 

 8. 084. Pursh, 274. Bigel. Fl. Bost. 345. James, Long's Exp. 2. 142. Richard. 

 Frankl. Journ. 23. Spreng. Syst. 3. 853. Torrey, Compend. 354 ; Fl. N. Y. 1. 242 

 Nicol. Rep. 150. DC. Prodr. 3. 68. Hook. Fl. Bor.-Am. 1. 216. Don, Mill. 2. 703 

 Beck, Bot. 122. Nutt. Fl. Ark. 141. Torr. & Gray, Fl. 1. 529. Eat. & Wr. 324 

 Engelm. PI. Upp. Miss. 192. Hook. f. Arct. PI. 291 & 328. PI. Bourgeau, 256 

 Gray, Manual, 175. Brew. & Wats. Bot. Calif. 1. 215. 



M. tenellum. Bigel. Fl. Bost. 2 ed. 346. Torrey, Compend. 355 ; Fl. N. Y. 1. 243. 

 DC. Prodr. 3. 68. Hook. Fl. Bor.-Am. 1. 216. Don, Mill. 2. 704. Beck, Bot. 122. 

 Torr. & Gray, Fl. 1. 530. Eat. & Wr. 325. Dietr. 5. 302. Gray, Manual, 175. 



M. verticiUatum. Linn. Spec. 992. See syn. in Willd. Spec. 4. 407 ; Ledeb. Fl. 

 Ross. 2. 118 ; Pritzel, Lidex Icon. Bot. 1. 732. — Michx. Fl. 2. 190. Poir. Diet. 

 8. 685. Pursh, 274. Nutt. Genera, 2. 211. Elliott, 2. 588. Spreng. Syst. 3. 853. 

 Torrey, Compend. 355 ; Ann. Lye. N. Y. 2. 252 ; Fl. N. Y. 1. 242 ; Bot. Wilkes, 300. 

 DC. Prodr. 3. 68. Hook. Fl. Bor.-Am. 1. 216. Don, Mill. 2. 70-3. Beck, Bot. 122. 

 Torr. & Gray, Fl. 1. 529. Eat. & Wr. 324. Parry, PI. Minn. 612. Chapman, 143. 

 PI. Bourgeau, 256. Gray, Manual, 175. Watson, King's Rep. 5. 102. Coulter, 

 Hayd. Rep. 1872, 766. 



PROSERPINACA palustris. Linn. Spec. 88. Hill, Veg. Syst. 25, t. 60, f. 1. 

 Walter, 84. Lam. 111. 1. 214, t. 50, f. 2. Willd. Spec. 1. 488. Michx. Fl. 1. 76, 

 excl. var. Jussieu, Ann. Mus. 3. 320, t. 30, I (Koenig & Sims, Ann. Bot. 1. 535, 

 1 12, 1). Persoon, 1. 111. Poir. Diet. 8. 118. Bigel. Fl. Bost. 48. Elliott, 1. 181. 

 Eoem. & Schult. Syst. 2'^. 873. Torrey, Fl. U. S. 161 ; Fl. N. Y. 1. 241 ; Mex. 

 Bound. 66. Spreng. Syst. 1. 416. DC. Prodr. 3. 67. Hook. Fl. Bor.-Am. 1. 215 ; 

 Comp. Bot. Mag. i. 26. Don, Mill. 2. 702. Nutt. Fl. Ark. 141. Beck, Bot. 121. 

 Dietr. 1. 416. Torr. & Gray, Fl. 1. 528. Eat. & Wr. 376. Gray, PI. Wright, i. 72 

 &2. 59; Manual, 175; Hall's PI. Texas, 9. Chapman, 143. 



Trixis palustris. Gaertn. Fruct. 1. 115, t. 24, f. 8. 

 P. pectinata. Lam. 111. 1. 214, t. 50, f. 1. Pursh, 92. Elliott, 1. 182. Roem. & 

 Schulr. Syst. 22 874- Torrey, Fl. U. S. 162 ; Fl. N. Y. 1. 241. Spreng. Syst. 1. 416 

 DC. Prodr. 3. 67. Don Mill. 2. 703. Beck, Bot. 121. Hook. Comp. Bot. Mag. 

 1.46. Dietr. 1. 416. Torr. & Gray, Fl. 1. 528. Eat. & Wr. 376. Bigel. Fl. Bost. 

 8ed. 50. Gray, PI. Lindh. 191 ; Manual, 175. Chapman, 143. 



P. palustris, var.^. Michx. Fl. 1. 76. Poir. Diet. 8. 118. 



Mi/rioiihyllum fidvescens. Bcrtoloni, Bot. Misc. 16. 23, t. 1 (Bot. Zeit. 14. 785) ; 

 fide Gray, Am. Journ. Sci. 2. 24. 287. 



