280 



J. O. HAGSTEOM, CRITICAL RESEARCHES ON THE POTAMOGETONS. 



Torssandri TiS., 1. c, II, 1895, n. 75, 76: decip. Nte, 

 var. — 216, 263. 



transiens Tis. — 244. 



treiocarpus Maxim. — 248. 



tricarinatns Mull. & Benn. — 166, 167, 168. 



trichoides Cham. & Sciii.. (ranked by Kunth, En. pi. 

 1841, 137, under pus. L. as a var.; irieh. ex Gray, 

 Man. 1848, et Tuck, in Amer. Journ. Sci. 1849, 358 

 = conferv. Eeichb.). — 6, 68, 74—78, 87, 104, 117 

 —119, 126, 150, 193—195. 



trick. X zosterifol. (P. ripensis Bge). — 77. 



triehophyllus Hagstr. — 46. 



triehophyllus MoR., Eevis. N. Amer. Naj. 1893, 49: di- 

 versifol. Raf., v. — 139. 



trieostatus Wallk. in Graebnbr, Pot., in Engl., 1. c, 

 1907, 51 (= dimorphus Raf., ex 6r., I. c. ). 



Trimmeri Gasp., in The Journ. Linn. Soc. 1865, 273: 

 trich. Ch. & ScHL. var. — 76. 



trinervius FisCH., Bayer. Pot. etc., 1907, 29, 123: {pa- 

 norm. X trich.). 



iuberculatus Tenore, ap. Guss. in Ad. Fl. neap. syll. 

 app. V, 1842, 4 (ranked by Sonder, Fl. hamb. 1851, 

 101, under trich. Cii. & Sckl. = tuherculatus GuE- 

 PIN, Fl. Maine et Loire, Siipp. 2). — 74. 



tubercwlosiis Hubuer, in Flora, 1846, 16: pectin. L., var. 



tuberculosus Reich., Ic. fl. Germ. & Helv. etc. VII, 1845, 

 13, t. XXII, f. 35: trich. Ch. & Scm. v. — 77. 



tuberosus RoxB., Hort. Beng. 1814, 12, et Fl. Ind., ed. 

 Waluch, I, 472. (P. crispo affinis videtur species, 

 an diversa? Ch. & Schx. in Linntea 1827). — 58. 



Tuckermani Eobb. — 85. 



turionifer Hagstr. {foliosusKpusillus). — 91. 



typicus ASCII. & Gk., Synopsis etc., I, 1897, 314: perfol. 

 L., V. — 255. 



typicus Bge ap. Ascii. & Gr., 1. c, 307: fluitans Rth, 

 V. — 238. 



typicus ¥isCH., Bayer. Pot. etc., 1907, 46: alpinusBAi.B., f. 



typicus FiscH., 1. c, 115: pusillus L., f. 



typicus FisCH., 1. c, 37: natans L., f. 



typicus Hagstr.: undulatus Wolfg., f. — 63. 



typicus Hagstr.: sparganif. LiEST., f. — 218. 



typicus Tis., Art-typer etc., in Bot. Not., 1884, 19: deci- 

 piens Nte, f. — 243, 244. 



typicus Tis. Pot. suec. exs. I, 1894, n. 6: fluitans Rth, f. 



typicus Tis., 1. c, n. 7: plantagineus Du Croz, f. 



typicus Tis., 1. c, n. 20: gramineus L., f. 



typicus Tis., 1. c, n. 34: nitens Web.? f. — 226, 231. 



typicus Tis., 1. c, II, 1895, n. 87 — 88: prwlongus Wulf., f. 



typicus Tis., 1. c, n. 89: perfoliatus L., f. — 255. 



typicus Tis., 1. c, n. 93, 94: crispus L., f. — 59. 



typicus Tis., 1. c, n. 95, 96: zostsrijolius Schum., f. 



typicus VuTCK, Revisie etc. in Nederl. Krnidk. Arch., 



1895, 693: pectin. L., f. 

 •Ulei Schumann. — 67, 81, 82. 



uliginosus Boenningh. ex Ch. & Schl., in Linnsea, 1827, 

 216. ( = oblongus Viv. fide Ch. et Schl. — Specimens 

 gathered by v. Boenn. 8, 1820 = polygonijoUus 

 POURR.). — 176. 



ulvensis Hagstr. — 49. 



undulatus Fisch., 1. c, 1907, 46: alpimts Bale., f. 



undulatus Wolfg. — 61, 62, 144, 257. 



ungulatus Hagstr. — 44 — 46. 



upsaliensis Tis., Art-typer etc., in Bot. Not., 1884, 15 — 20. 



— 243—245. 



nrnguayensis Ar. Benn. et Gr., in Engler, 1. c, 1907, 



111. — 263. 

 vadosus Tis. — 227, 229. 

 vaginalis J. Fischer. — 40. 

 vaginans Bojer, ap. Ar. Benn., in I'Ann. Conserv. etc. 



Geneve, 1905, 94: lucens L. subsji. — (distinct spe- 

 cies, ex Hagstr.). — 198, 237. 

 vaglnatns Turcz. — 7, 8, 9, 14, 15, 22, 24, 32—37, 51, 



52, 76. 

 vag. X fUif. ex Fontell. — 24. 

 vag. X pectin, ex Fontell. — 52. 

 Vaillantii Roem. & Schult. — 39, 49. 

 validior Tis., 1. c, III, 1893, n. 109, 110: vagin. TuEcz., f. 

 validus Fieb., Pot. Bohm. 1838, 26. — 213. 

 varians MoR. — 205, 206, 208, 209. 

 variifolius Thore. — 150, 193 — 195. 

 Varmingii Bge, ex Hagstr. — 258. 

 Vaseyi Robb. — 94, 126, 127, 133, 134. 

 venustus Bge {alpinus X crispus). — 77, 144. 

 verrutus Fktek, Pot. Brit. Isles, 1898, 9: crassifol. Fkter, 



f. — 216. 

 veHicillatus Kit. ex Cham. & Schl. in Linnsea, 1827, 



166. (= interruptus Kit.). 

 virescens Caspary, in Phys. Oek. Ges. XXIV, III, 1883, 



70 ex Asch. & Gr., Syn. 1897, 312: rufescens SciiR., f. 

 viridicans FisCH., 1. c, 1907, 45: alpinus Bale., f. 

 viridis Tis., 1. c, I, 1894, n. 14: alpinus Bale., f. 

 volhynicus Besser, ex EoEM. et Schult., Syst. veg. Ill, 



1818, 509 (= lucens L., f. acuminatus (Schum.) 



Pr.). — 233. 

 Vollmanni Fisch., 1. c, 1907, 149. decipiens Nte, ser. 

 vulgaris Cham. & Schl., 1. c, 1827, 165: pect. L., var. 

 vulgaris Cham., Adnot. etc. 1815, 6: lucens L., a. — 235. 

 vulgaris Fieb., Pot. Bohm. 1838, 32: crispus L., f. — 60. 

 vulgaris Fieb., 1. c, 26: purpurascens Seidl., var. 

 vulgaris PisCH., Bayer. Pot. 1907, 43: gessnacensis Fisch., 



f. 

 vulgaris Fisch., 1. c., 44: coloratus Vahl., var. 

 vulgaris Fisch., 1. c, 85: crispus L., v. — 60. 

 vulgaris Fiscii., 1. c, 102: obtusifol. M. & K., v. — 117. 

 vulgaris Fisch., 1. c, 109: panormitanus Biv. var. — 102. 

 vulgaris Fries, Nov. fl. Suec. 1828, 48: pusillus L., var. 



— 124, 125. 



vulgaris Koch u. Ziz, Cat. jil. Palat., 1814, 18: nntans, 



L., V. — 192. 

 vulgaris Spenner, Fl. friburg. I, 1825, 32: perfol. L., a. 



— 255. 



vulgaris Tis., 1. c. III, 1897, n. 111—112: filif. Pers., 



f. — 16—18. 

 Wahlenbergii Hagstr. — 22. 

 Wolfgangii Kihlman, in S^lan, Kihlm. et Hjelt, Herb. 



Mus. Fenn. I, 1889, 28 (= gracilis Wolfg. ex 



Kihlm. in Bot. Not. 1887, 84). — 11, 145, 205, 206, 



208, 209, 227. 

 Wrightii MoR. — 248. 

 ysanensis Hagstr. — 21, 22. 



