244 



LXXIX. ALISMACE^. [II. Monocotyledons 



976. Alisma natans, L. 977. Damasonium stellatimi, Pers. 



Floating Water Plantaiti. D. Alisma, Mill. 



LXXX. HYDROCHARIDEtE. 



978. Elodea canadensis, Mich, 979. Hydrocharis Moisus-ranse, L. 



Anacharis Alsinastrum, Bab. Froghit. 



Water-thyme, 



