KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 55. NIO 5. 



269 



fluvialis Fisch., Bayer. Pot. 1907, 37: notans L., f. 



fluvialis Fr. Nov. fl. Suec. 1828, 36: gramin. L. f. - 

 11, 205, 206. 



fluvialis Lange & Mört. — 97. 



fluvialis Tis. in Collinder, Medelpads Fl. 1909. 179: 

 alpin. Balb., f. (nomen solum; to judge from herbal 

 materials it seeins to be identic with P. alp. f. pa- 

 lustris (minor) Tis., Pot. suec. exs. 1, 1894 n. 13: folia 

 submersa 100—120 X 10—12 mm). 



fluviatilis FisCH., I. c., 132: juncifolius Kern\, v. 



fluviatilis FlSCH. in Baumann, Veg. Untersees 1911, 92: 

 coloratus Vaiil., f. 



fluviatilis Fr., 1. c., 28: notans L., v. — 192. 



fluviatilis Fr., 1. c, 37: grammens L., f. — 206. 



fluviatilis Schl., Fl. berol. I, 1823, 115: notans L., v. 



— 192. 



fluviatilis Schl., 1. c., 116: heterophyllus SCHR., v. — 210. 

 fluviatilis Schubler u. von Mart., Fl. Wiirt., 1834, 



111: pectinat. L., v. — 51. 

 fluviatilis Thore, Essai etc. 1803, 46: lueens L., v. — 235. 

 foliosus Fieb., Pot. Bohm. 1838, 43: pectinätus L., var. 



(signed: foliosus M. & K.). 

 foliosus M. K., ap. Röht., Deutschl. Fl. 1,1823,844: 



heleroph. Schr., v. 

 foliosus Raf. — 7, 9, 89—93, 95, 120, 127. 

 fol. X diversifolius f (P. latcralis Mor.) ex Ar. Benn. 



Notes etc. in Journ. of Bot. 1900, 128 (without vin- 



dication ). 

 fol. X pusillus (P. turionifer Hagstr.). — 91. 

 fol. X rutilis ex Hagstr. (P. strictifolius Ar. Benn.). 



— 92. 



foliosus Tis. Pot. Suec. exs. II, 1895, n. 63. 213—215. 



fragillimus Hagstr. — 198, 202. 



Franchetii Ar. Benn. & Bge. 156. 



franconicus FlSCH. (pusilhis X trichoides). - - 126. 



Friesii Rupr. — 94, 149. 



Friesii X acutifölius ? ex Ar. Benn., 1. c. 1907, 175. 



f rondosus Hagstr. 174 — 176. 



Fryeri Ar. Benn. — 151, 158. 



furcatus Hagstr. — 79, 80. 



fyrisensis Tis. — 227— 230._ 



qallicus Hagstr. (obtusif. X frich.). - 118. 



(•andichaudii Cham. & Schl., De plantis etc. in Linnsea. 



1827, 199. — 198, 249. 

 fiayii Ar. Benn. — 108—110. 

 geminatus Hagstr. — 41, 51. 

 gemmifer Reichenb. — 60. 

 gemmiparus Mor. — 94. 

 gemmiparus Robb. in Asa Gray, Manual etc. 1867, 489: 



pusilhis L., v? (= gemmiparus Mor.). — 94. 

 genuinus Fisch., Bayer. Pot. etc, 1907, 145: Noltei 



Fisch., ser. (See perlucens Fisch.) 

 genuinus FlSCH., 1. c, 54: fluitans Rth., v. 

 genuinus Reiciib. — 59. 



genuinus Sönder, Fl. hamb., 1850, 96: heteroph. Schr., v. 

 genuinus Tis., Pot. Suec. exs. IT, 1895, n. 79 — 80: up- 



saliensis Tis., f. — 244. 

 genuinus Van den Bosch, Crit. bescbouw. etc, in Ne- 



derl. Kruidk. Arch. I, 2: 2, 1851, 64: pectinätus 



L., a. 



gessnacensis FlSCH. (notans xpolygoni /., wahrscheinlich). 



- 192. 



gevaliensis Hagstr. --21. 



glaueescens Ch. & Schl., — 47, 50. 



glaucus Hui.hknstedt, Reiso I, 1787, 49 (form still un- 



known). 

 gotlaiidirus HAGSTR. — 227 — 229. 

 gracil ior Tis., 1. c, T, 1894, n. 17. - 143. 

 gracilis Ar. Benn. in Graebner, Pot. in Engl., 1. c, 



83: Zizii M. K., var. 

 gracilis FlSCH., 1. c, 116: pusUlus Tv., f. 

 gracilis Fr., 1. c, 42: perföliatus L., v. - 256. 

 gracilis Fr., 1. c, 49—50. — 75, 98, 124, 125. 

 gracilis WOLFG. - - 145, 205. 

 gracillimus Hagstr. — 143. 

 gnecvs Heldr. ap. Graebn., Pot. in Engl., 1. c. 69: 



fluitans Rth, f. (= coloratus Vaiil ex Gr., 1. c, = 



P. nodosus Poir. in bb. Stockb.). -- 189. 

 grantineifolius Hagstr. — 220. 

 graniineus L. — 5, 6, 7, 11, 12, 13,67, 134. 141, 145, 146, 



150, 164, 181, 185, 195, 198, 200, 202, 204—236, 239, 



241, 244, 246, 248, 252, 255, 257, 258, 259. 

 gram. X illinoensis (P. deminutus Hagstr.). -- 209. 

 gram. X illin. X lueens (P. pseudo-Zizii Hagstr.). - 



200, 210. 

 gram. X lueens (P. Zizii M. & K. p. p.) ex Fryer, On 



the spec rank of P. Zizii, in The Journ. Bot. 1892, 



114—118. — 211. 

 gram. X lueens (P. Zizii M. & K.) ex Hagstr. -- 11, 



181, 209, 210 216, 236. 

 gram. X lueens X notans (V. crassifölius Fryer) ex 



Hagstr. -- 216, 239. 

 gram. X lueens X perföliatus (P. Torssandri(TiS. )H AGSTVL.) . 



- 216, 263. 



gram. X mucronatus (T. lanceolatus Sm.) ex Ascii. & Gr., 

 Syn. mitt. Fl. I, 1897, 348). -- 12, 150. 



gram. X notans ex Almqu. Om gruppindeln. o. bybr. 

 etc, in Bot. Not. 1889, 63 et in Hn. (without further 

 argumentation). — 218. 



gram. X natans (P. sparganifolius L.est.) ex Hagstr. 



- 12, 185, 192, 197, 217—220, 238. 

 gram. X nitens ex Asch. & Gr., 1. c, 326. 



gram. X nodosus (P. argutulus Hagstr.). -- 189, 220. 

 gram. X perföliatus (P. nitens Web.) ex Almqu., 1. c, 



1889, 66. 11, 12, 206, 218, 221—233, 244 



—246. 

 (yramin. X perfol.) X gramineus (P. innominatus TlS. 



in Hartm. Sk. Fl. 1889, 49). — 223, 229. 

 (gram. X perfol.) X perföliatus ex Almq. in Hartm. 



Sk. Fl., 1889, 49: gram. X perfol. 0. — 229. 

 gram,. X polygonifolius ex Graebn. (P. Seemenii Asch. 



& Gr.). — 215, 231, 232. 

 gram. X prwlongus ex Almqu. (see Ar. Benn. in Journ. 



of Bot. 1907, 174). -- 228, 232. 

 gramineus X pnelongus (P. navicularis Hagstr. ). — 



232, 233, 258. 

 gram. X pusillus ex Asch. & Gr., Syn. mitteleur. Fl., 



1897, 348. — 150. 

 gram. X Zizii ex Graebn. Pot. in Engler, 1. c, 1907, 



136. — 209. 



