556 338. Callitriche. 55. HALORAGEiE. PL ex. cal. 
jS. intermedia . Lower stem-leaves and branch-leaves 
linear, 2-nicked at the tip. 
Callitriche verna #, Lin. FI. Suec . 3. 
Callitriche intermedia, Hoffm. Germ. 1791,2. 
Callitriche dubia, Roth FI. Germ. 1, 389. 
Callitriche aquatica j8, Willdenow Hort . Xfe/7. 1, 8. 
Callitriche autumnalis, Schkuhr Bot. Handb. 1, 8. 
y. ccespitosa. Leaves linear, rather obtuse; stem lying 
on the ground. 
Stellaria minor et repens, Raii Syn. 2S9, 1 ? 
Lenticnla aquatica bifolia Neapolitana, Park. 1263? 
Alsine palustris serpyllifolia, Ger.em. 614, 12. 
Callitriche aquatica j8. Smith FL. Brit. 9. 
Callitriche minima, Hoppe Bot. I'asch. 1792, 155. 
Callitriche caispitosa, Schmid Fl. Stutgard , 25. 
Callitriche aquatica 8, fVilld. Hort. Ber. 1,8. 
Sandy places, dried up ponds. 
2 . Callitriche virens. Green water-star wort. 
Leaves uniform, equidistant ; fruit membranaceously 
winged. 
Stellaria aquatica foliis longis, fenuissirnis, Raii Syn. 290,3. 
Callitriche autumnalis, Lin. S. P. 6. 
Callitriche angustifolia, Hoppe Bot. I'asch. 1792, 155. 
Callitriche aquatica, Willd. Hort . Bert. 1,8. 
Callitriche aquatica y, Smith Fl. Brit. 9- 
Ponds and ditches; annual; April to October. 
Plant sunk ; leaves linear, nicked ; flowers all herma- 
phrodite. 
II. 339. H1PPURIS. Dioscorides. Mares-tail. 
Flowers hermaphrodite ; calyx not divided, very small ; 
corolla 0 ; stamen 1 ; style in the furrow of the anther ; 
ovary 1 -celled, crowned with the calyx and style; peri- 
sperm fleshy, thin. — Stem simple; leaves in whirls, linear ; 
flowers axillary, solitary, whirled. 
Hippuris vulgaris . Common mares-tail. 
Leaves in whirls of 10 or 12, linear, pointed. 
Limnopeuce, Raii Syn. 136, 1. 
Cauda equina foeinina, Ger. ern. 11 14, 6. 
Hippuris vulgaris, Lin. S. P. 0. 
Female horse-tail. 
Rills and stagnant waters; perennial; May. 
Root fibrous ; stem erect, jointed, leafy above ; leaves 
spreading, not in the least cut ; flowers sessile. 
&. demersa . Leaves very long, pellucid, pale, slender. 
Limnopeuce q. Equisetum palustre linarias scoparias folio, Dillenin 
Raii Syn. 136, 1 *. 
