ELEOCHARIS R. BR. 267 
rag atten septum, 3, through an empty plurilocular sporangium, 1. 
6. Polysiphonia mips Grev., showing fine filiform processes springing from 
ch ee at the growing-po oint. x ee 7. Oscillaria subfusca Vauch., with 
m processes at the growing-point, which are charcteristic of this species 
x 500. 8. Cladophora flavescens Kutz., showing formation of one cell wi 
in oxygenated water. x 300. Oscillaria Frolichii Kutz., from the warm tank, 
Kew Gardens. showing the sheath, 1, after treatment — alcohol. x 500. 
10. O. Frolichii. A single hormogonium after escaping from the sheath and 
——— with potassic hydrate, showing the differentiated protoplasm forming 
e cell-wall. 
ELEOCHARIS Rk. Br. 
Species In EvRopPA VIGENTES RECENSUIT CO. B. Cxuarke. 
Subgenus 1. Exeocenus.—Stylus bifidus (in /. ovata raro ap 
— Genus Eleogenus Nees in Wi a Contrib. p. 112. — Gen 
Heleocharis Lestib. Essai Cyp. p 
{In sp. Europeis nux levis sat Fr reticulata: cellule 
extime gundbabe: -rotunde aut longitudinaliter oblonge non con- 
spicue. | 
Sect. 1.—Stoloniferz, perennes. 
a: USTRIS 3 Br. Prod. p. 224 in adn.; e brunnea, 
olivacea aut castanea; Th. Nees, Gen. T. Germ. ‘Moniotot. v. 2, 
t fig. 1-16 ; Leighton, Fl. Shrop. p. 38, t. 2; Nyman, Consp. 
Fl. Europ. p. 767. E. uniglumis Schultes in Roem. et a Syst. 
Mant. 2, p. 88; Nyman, Consp. Fl. Europ. p. 767. LE. afjinis 
Oc A. Meveris Steud. Cyp. p. 77. E. Nebrodensis Parl.! Fl. Ital. 
v. 2, p. 68; Nyman, Consp. Fl. Europ. p. 767. EH. multicaulis 
Hook.! Fl. Bor.-Amer. v. 2, p. 228 (et hh. plur. oo. Scirpus 
palustris Li. Sp. Pl. p. 70, et hig partim ; s Ca t. 278; 
Host, Gram. v. 3, p. 38, t. we iil. ved, p. i 83, fig. 1; 
Leers. Fl. Herbor. p. 10, t. 1 , fig. 3; Sowerby, nel. Bot. t 181; 
Sturm, Fl. v. 8, t. 9; "Reich. Ic. Fl. Germ. vy. 8, p. 88, t. 297, 
fig. 704; Anders. Cyp. Soom ? 10, t. 2, “fg. “99. S. uniglumis 
Link, Jahrb v. 8, ; , Fi. lek. 7s (tab.); Reich. Ic. 
rit. v. 2, p. 182, nuce ae et een Fl. Germ. v. 8, t. 296, 
fig. 703; Anders. C a. p. 10, t. 2, fig. 28; Syme, Engl 
Bot. v. 10, p. 52, t. 1687. 8. glaucescens Mérat, Fl. Paris (ed. 2), 
2 on Willd. S. reptans Lhu ‘L, » p. 22. 8. 
Veitasessdoues Thuill. ! Fl. Paris, p- a _non Poir. 8S. acicularis F1. 
Dan. t. 167. 9. varius et 8. is Schweigge et Koerte, Fl. 
EK . ae 12, 159. Bulbostylis palustris Stev. in Mem. 
md po : Fas Eleocharis palustris et E. uni- 
. Germ. urs. p. ‘ 7 : 
Flora, 1858, p. 418, in obs. H. conica Presl, fide Schur. Pl. 
Transsilv. p. 690. Clavula palustris et C. uniglumis Dumort. Fl. 
. p. 148. 
er totam E 
