FLORA OF WASHINGTON AND VICINITY. 207 



1378. Mastigobryum tridenticiilatum, Lindeub. 



1379. Lepidozia reptans, Nees. 



1380. Calypogeia Trichomanis, Corda. 



1381. Nitella flezilis, L. 



1382. Nitella tenuissima, Desv. 



1383. Chara polyphylla, var. Michauzii, Al. Brauu. 



1384. Chara Hydropithys, Al. BrauD 



