FLUVIALES vent. (Najas.) 113 



Bad. 3. 590. t. 3. — In lacubus et piscinis Europae Insulae- 

 que O-Wahu Sandwicensium. — Spatha antheram includcns 

 apice bicuspidata. — Provenit forma gracilior caule elongato, 

 minus muricato, foliis angustioribus, levius dentatis, fructibus 

 antherisque minoribus. (Chamisso 1. c.) — Gorski 1. c. a Na- 

 jade majore All., cujus folia plana, lineari-Ianceolata, apice tri- 

 dentata, vaginae superne rotundatae, integerrimae dicuntur, di- 

 stinguit Najadem intermediam Wolfgang. characteribus his : 

 Dioeca; caule dichotomo, divaricato, muricato ; foliis ternis et 

 oppositis, subsemicylindricis, angusto-linearibus, rigidis, sinuato- 

 denticulatis, aculeolatis, apice unidcntatis ; vaginis superne trun- 

 catis, 3-4-dentatis. 



2. N. arguta Humh. et Kunth. Nov. Gen. 1. 371. Foliis 

 ternis, linearibus, argute dentato-spinulosis. — Nova Granata. 



— Praecedenti proxima, vix diversa. 



3. N. MURICATA Delile, Aeg. 137. t. 50./. 1. Chamisso 

 in Linnaea 4. 500. Caule muricato ; foliis dentatis, crispis, 

 breviusculis. Delile. Caulinia muricata Spreng. Syst. 1. 20. — 

 Damiatte. (Aegyptus.) — Ad antepraecedentem accedit speciem. 

 Eximie tenuiter crebre patentim muricata; folia brcviora; fruc- 

 tus minor, brevius ovoideus, monospermus. (Cham. 1. c.) 



4. N. MINOR Allion. Ped. 2. 221. (Michel. Gen. 8. /. 3.) 

 SchJcuhr. Uandb. 3. 250. t. 296. Lam. III. t. 799. f. 2. Roth. 

 Germ. II. 2. 500. Cand. Gall. 2. 587. Chamisso in Linnaea &. 

 500. Koch. Synops. 679. Gorski in Eichwald, naiurh. Skizze 

 p. 127. Kth. Berol. 2. 307. Foliis ternis oppositisve, angustissime 

 linearibus, recurvatis, remote spinuloso-dentatis, rigidis; vaginis 

 foliorum argute dentatis (superne 6-8-denticulatis Gorski.); flo- 

 ribus monoecis, subglomeratis (Schkuhr.); stvlo longiusculo ; 

 stigmatibus 2, subulatis ; fructibus tereti-lanceolatis, stylo per- 

 sistente mucronatis ; putamine chartaceo, costulato, transversim 

 striatulo. Caulinia fragilis Willd. inAct. Acad. Berol. 1798. 88. 1. 1. 



/. 2. Ejusd. Spec. 4. 182. Pursh. Flor. 1. 2. Beclc. Bot. 384. 

 Caulinia fragilis et microphylla Balh. et Nocca, Flor. Ticin. 2. 

 163. (Jide Pollin. Veron. 3. 48) Fluvialis minor Pers. Synops. 

 2. 530. Ittnera minor Gmel. Bad. 3. 592. t. 4. Najas subulata 

 Thuill. Paris. II. 2. 500. Najas fluviatilis Lam. Encycl. 4. 616. 

 ex parte. Najas fragilis Rostk. et Schmidt. Flor. Sed. 382. — 

 Europa, Aegyptus, Pennsylvania, in stagnis, fossis et lacubus. 



— Caulis divaricatus, laevis ; ramis dichotomis. (Gorski.) Flores 

 monoeci*). Antherabilocularis, bivalvis.(HorkeI.) Ovulum erectum. 



5. N. INDICA Chamisso in Linnaea 4. 501. Dioeca?; foliis 

 ternis oppositisve, elongatis, angustissimc linearibus, rectiuscu- 



°) Flores in speciimiiibus mihi suppeteiitibus mere feminei, subsoli- 

 tarii, unicus a me observatus masculus valde juvenilis ; an planta certe 

 monoeca? Nees ab Eseubeck in specimiuibus siccis antheram nunquam 

 vidit. l 



Kc\th. Synops. III [ 8 ] 



