260 



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



BenneUii Frter [crisp. X obiuaif. ex Fbybb). — 03, 04. 



Berehtoldi Fieb. - '.»T, 118, 119, 121, 122, 124, 125. 



oUnenaia As< ii. & (-n. {luvens X pral., var. ex ASCH. 



,\ <.r.). — 215, 247. 

 Berteroaiius Piin.. - 81, 108, 110, 111, 114. 

 Bena t >i El D. — 184. 

 bifoiiu8 Lapeyboi -i:, Hist. abrégée des pl. des Pyr., 



Suppl. 1818, 27 ( = Vida faba). 

 biformis Hagstr. — 247. 

 B Slotii SCHULTZ. ■ 184; 188. 

 BMupaii Fbyeb (P. toriuceus x plantag, ex Fbyeb). 



12, 181. 

 borealia II igstb. 95, 96. 

 borealis Ljest., Beskrifning elo. in K. Sv. Vet. Ak. 11. 



1824, 102: gromin. L. a ( = prwlongus Wi i.r. ). 

 251) 252. 

 borealia Raf. in -Med. Heposit. 1808, 354; 1811, 409 ( = 



fUiformis Pers., or possibly pectinatus L., or both). 



— 14. 

 boreali» Ti-.. 1. c, 1, 1894, n. 10. — 143. 

 boUnicua HAGSTB. (pectin. X raginatus). — 52. 

 brachypus Hagstb. — 46. 

 brachypue Kerx. ap. Fischer, Bayer. Pot. 1907, 115: 



pus. L., f. 

 braeUiensia Ar. Bexx. ap. Graebx. in Engl., 1. c, 79: 



lucens L., sulisp. 

 brnsiliensis Ak. Bexx., New Pol., in .lourn. of Bot. 1910, 



150. — 198. 

 brevifoliua Celak. Resultats etc in Sitzber. böhm. Ges. 



Wissensch., 1887, 30. — 251. 

 brevifoliua Fisch., Bayer. Pot., 1907, 54: fluitona Rth, 



f. — 188. 

 brevifoliua Fisch., 1. e., 115: pusillus L., f. 124. 

 brevifolius Fisch., 1. c., 45: tipinua Baeb., f. 143. 

 brevifoUua Hagstr. — 244. 

 brevifoliua Meter, (hl. Han. 1830, 525: pusillus L., 



var. — 124. 

 brevifoUua Nolte ap. Ar. Benn., Notes etc. in Bull. 



1'Hcil). Boiss. 1890, 547: pus. L. var. (withont 



des< 

 brevifoliua Tis., 1. c. Ill, 1897, n. 130. 143. 

 brevior II LGSTB. 224, 229-230. 



brewpea II vcstr. {fennicua Hagstb. f.) — 25. 

 brevipea Hagstr. {wUena Web. f.). 225, 220, 228. 

 brevwoatria Hagstr. — 124. 

 brevUiaculua Hagstr. — 78. 

 Brotheratonii Ar. Hinn. ap. Lint., Hybrids etc. injourn, 



of Bot. 1907, 300: diripiens V nitens. 



bnpleuroldes Pebnald. 252, 268, 259. 

 bupleuroidea X gramineua (P.aubnitena Hagstr.). — 259. 

 bupleuroidea piwflZu«(P. my«f tcu*MoR.)ei Fern. 259. 

 bupleuroidea ■ Bichardaonii f, ex Hagstr 259. 

 eaapitoaua Fisch., Bayei Pot. 1907, 115: pua. L., f. 

 cceapitoaui M & K ap B< hi ltes, Mani etc. 1827, 364: 



pect. L. var. 

 eaapitoaua, Nolte. 92. 

 californioua Mm:. 90, 91. 

 eanadenaia II lqbi k. 30, 51. 



,,ih,i , In B >N S< uiv/.Coiisji. IT. Afr. V, 1895, 49: 



mlldllK I, , v. 



eanorienaia Link. — 184. 



ctinceUatus Frter. — 178. 



rapensis SCHEELE. — 183, 203, 204. 



capiUaceua Moebck. 14. 



copMoceua Poir. ■ — 138. 



capMaria Fisch., 1. c. 120. — 70. 



capiUaria Gaud., Fl. helv. 1, 1828, 479: pua. L. var. [3 



copitotua Ar. Benn.. Notes etc. in .lourn. of Bot. 1901, 



201: pus. L., var. — 124, 120. 

 caricifoliua Willd. — 39. 

 corinotua Kipeeek. 65. 

 Goaparyi Korns. t'l>. Pot. Casp. in öatexr. Bot. Zeitaohr. 



1870. 289-292 (A dubiousfonn; by Bomeanth. eon- 



sidered to be pure /'. ttlp. Balb., in t lie favonr of 



which view the descr. of tlie fruit Beema to Bpeak.) 

 rauddtus Seidi.. 233. 

 oaudiformia Asch. & Gb., Synopsis initteleur. Fl. 1, 



1897, 314. — 250. 

 cayngrensis Hagstr. — 140. 

 eoyugenaie Wie(;., Some Varr. of Fot. etc. in Rbodora, 



1900, 102: NuttdMi Ch. & Schx. v. • 140. 

 (hamissoi Ar. Benn. 57, 204. 



Ohamplomii Ar. Benx. (<rfp. X pensylvanieua). 200. 

 Clieeseniaiiii Ar. Bexx. — 7, 157, 158, 105, 107, 109, 172 



—175. 

 Claytonii Tuck. 121, 139, 200. 

 Claytonii X rufesvens (alpinus)'! ex Ar. Benn., Notes 



in Journ. of Bot,, 1890, 301; 1901, 199. 200. 

 Claytonii X Zistii ex Au. Benn., 1. c., 1904, 71 (seeeptÅy- 



drum. X augusliiol.). 

 cognatua Asch. & Gä. (per/d. X pmlongus). 257. 

 coloratus Yaiii.. 07, 150, 175 17S, ISO 182. 



color. X gramineus (/'. liillupsii Frteb p. p.) ox Hagstr. 



— 181. 

 coloratua X polygotiijoUus il', onglicua Hagstr.), 180. 

 coloratus X Zizii ex Frter. 12. 



communie Hagstr. — 214, 215. 

 comparandua Tis., Fot. Buec. ex.s. III, 1897. a. 141: 



iiitens Web.?, f. 

 complnnaius Wn.i.D. 05. 



(<>))i pressus L. (ex OEDER Fl. Dan. 1705, t. 203 niu- 



eroniitus Schk. A greal many authors follow 

 this work: Schdm., F.nuin.. Eng. Bot., I. 4 1 s. min 

 Nii:, Fl. fril)., H\kim\n. 1820, Mini. & korn. 

 1823, Dt mortier. Fl. belg., GAUDIN, FL lielv.. 

 FlEBEB 1838, l!i:n iii.NU.. Icoues etc. 1845, and 



otbers. Roth, Tent. Q. germ. 1, 1788, understandfl 

 /'. obtueifol. M. & K. l>\ compreaava I.. This view 



is also eiiteilaiiitil l>\ Wu.i i >\ :\<>\\ . Berl. Mag., 



Liljeblad, Ftkast etc, Chamisso, Adn., and 



WMii.i nb.. Fl. iijis. and Fl. BUCC. A tliird view is 



tlieone repxesented '>> B. Fbies, Nov. 1828, and fol 

 lowed by Kocu, Syn.. 1844, v. dem Bosch, 1851, 

 Hi. vit 1801 and 1902. Gbehieb, 1855, Ischebson, 

 1864, Asch. & Gb. 1897, Wolfabth in KooH'sSyn. 



1901, GBAEBNEB, 1913, FlSCHEB 1907 ta little 



hesitating), Rot ^. Fl. Fr., and otbers. in Lax. 

 \ DC, Fl. ii. lastly, the nams aas a rathervague 

 meaning. The aame has been rejectedi not oted i bj 

 \<»i ii:. N'oy..l826,SoNDEB, Pl.hamb, 1851, Robbins, 



