424 UMBELLITER^. [Heracleum. Hydrocotyle. 



U. Spondylium. Nutt. Genera, 1. 181. James, Cat. 178. Torr. Ann. Lye. X. Y. 

 2. 207. Cham. & Schlecht. in Linn^a, 1. 394. Hook. & iVru. Bot. Beecheyj 142. 

 Eat. & Wr. 267. Ledeb. Fl. Ross. 2. 322, in part. 



H. Panaces. Spreng. Syst. 1. 912, in part. 



H. auritum. Bisclioff, Del. Sem. Hort. Heidelb. 1839 (Litt.-Bor. zu Linnaja 14. 

 131). Walp. Eep. 2. 416. 



H. duke. Fisch. in Ind. Sem. Petrop. 9, Suppl. 23 (Linnaja, 18. 221). Ruprecht, 

 Beitr. FI. Russ. 2. 37. Walp. Rep. 5. 890. 

 Var. vestitum. Torr. & Gray, Fl. 1. G32. Torrey, Bot. Wilkes, 323. 



//. Dowjlasii. DC. Prodr. 4. 193. Hook. Fl. Bor.-Am. 1. 270. Don, Mill. 3. 

 343. Dietr. 2. 972. Eat. & Wr. 267. 



HYDROCOTYLE Americana. Linn. Spec. 234. Hill, Veg. Syst. 5. 23, t. 10, 

 f. 1. Crantz, Umbel. 120. Lam. Diet. 3. 152. Willd. Spec. 1. 1361. Tluinb. Diss. 

 Bot. 2. 414. Michx. Fl. 1. 162. Persoon, 1. 301. Pursh, 190. Bigel. Fl. Bost. 67. 

 Barton, Fl. Phil. 36. Spreng. Spec. Umbel. 3, t. 2, f . 3 ; Roem. & Schult. Syst. 6. 

 346 ; Syst. 1. 876. Elliott, 1. 346. Torrey, Fl. U. S. 303 ; Fl. N. Y. 1. 262. Rich- 

 ard, Ilydrocot. in Ann. Sci. Phys. 4. 45, t. 55, f. 10. DC. Prodr. 4. 64. Hook. Fl. 

 Bor.-Am. 1. 257. Don, Mill. 3. 251. Beck, Bot. 140. Darling. Fl. Cestr. 183. 

 Torr. & Gray, Fl. 1. 599. Dietr. 2. 928. Eat. & Wr. 277. Chapman, 158. Gray, 

 Manual, 189. 



H. interrupta. Muhl.Cat. to. Elliott, 1. 345. Spreng. Syst. 1. 875. DC. Prodr. 

 4. 59, in part. Don, Mill. 3. 248. Beck, Bot. 140. Torr. & Gray, Fl. 1. 599, in part. 

 Dietr. 2. 926. Gray, PI. Lindh. 209; PI. Wright, 2. 64; Manual, 190; Hall's PI. 

 Texas, 11. Chapman, 159. 



H. vulgaris. Michx. Fl. 1. 161. Pursh, 190. Spreng. in Roem. & Schult. Syst. 

 6. 344, in part. Torrey, Fl. U. S. 303. Hook. FI. Bor.-Am. 1. 257. Eat. & Wr. 277. 



//. vuk/aris, var. vertlciUata. Richard, Hydrocot. 27, in part. 

 H. prolifera. Kellogg, Proc. Calif. Acad. 1. 15. Brew. & Wats. Bot. Calif. 1. 254. 



H. vulgaris. Cham. & Schlecht. in Linnaja, 1. 350, in part. 



H. inteiTupta. Torr. & Gray, Fl. 1. 599, in part. Boland. Cat. 13. 



H. nutans. Torrey, Mex. Bound. 69. 

 H. ranunciiloides. Linn. f. Suppl. 177. Lam. Diet. 3. 154. Willd. Spec. 1. 

 1363. Thunb. Diss. Bot. 2. 415. Persoon, 1. 302. Spreng. Spec. Umbel. 2, t. 1, 

 f. 2 ; Roem. & Schult. Syst. 6. 349, excl. var. ; Syst. 1. 877. Richard, Hydrocot. 

 55, t. 58, f. 18. Torrey, Fl. U. S. 304 ; Mex. Bound. 69 ; Bot. Wilkes, 313. Cham. 

 & Schlecht. in Linnfea, 1. 373. DC. Prodr. 4. 65. Don, Mill. 3. 252. Darling. Fl. 

 Cestr. 597. Torr. & Gray, Fl. 1. 600. Dietr. 2. 928. Eat. & Wr. 277. CIos in Gay, 

 Fl. Chil. 3. 65. Gray, PI. Wright. 2. 64 ; Manual, 189. Chapman, 159. Kellogg, 

 Proc. Calif. Acad. i. 14. Brew. & Wats. Bot. Calif. 1. 254. 



//. Americana. Walter, 113 ? Newberry, Pac. R. Rep. 6. 75. Boland. Cat. 13. 



//. cymhalarifoUa. Muhl. Cat. 29. Elliott, 1. 346. Beck, Bot. 140. 



II. natans. Cliam. & Schlecht. in Linnasa, 1. 373; not Cyr. DC. Prodr. 4. 62, in 

 part. Hook. & Arn. Bot. Beechey, 347. Torr. & Gray, Fl. 599. Boland. Cat. 13. 

 H. repanda. Persoon, 1. 302. Pursh, 190. Poir. Suppl. 5. 702. Spreng. Spec. 

 Umbel. 4, t. 2, f. 4; Roem. & Schult. Syst. G. 349, excl. var. ; Syst. 1. 876. Richard, 

 Hydrocot. 39, t. 57, f. 14. Elliott, 1.347. Cham. & Schlecht. in Linna;a, 1. 369. 

 DC. Prodr. 4. 62. Don, Mill. 3. 250. Hook. Comp. Bot. Mag. i. 47. Torr. & Gray, 

 Fl. 1. 600. Dietr. 2. 927. Eat. & Wr. 277. Gray, PI. Lindh. 209 ; Manual, 189 ; 

 Hall's PI. Texas, 11. Chapman, 159. Referred to //. Asiatica, Linn., by Benth. 

 Fl. Austral. 3. 347, and by Griseb. Fl. Brit. W. Ind. 307, as var. repanda. 



