Flora of Denver. 53 



471. Poa brevifolia MUHL. 



472. Glyceria acutiflora TORR. 



473. Glyceria fluitans R. BR 



474. Glyceria pallida TRIN. 

 475- Glyceria nervata TRIN. 



476. Glyceria grandis WATSON. 



477. Festuca ovina L. 



478. Festuca tenella AViLLD. 



479. Agropyrum glaucum R. & S. var. occidentale V. & S. 



480. Agropyrum tenerum VASEY. 



481. Elymus Canadensis L. 



482. Elymus Virginicus L. var. submuticus HOOK. 



483. Hordeum jubatum L. 



484. Marsilia vestita HOOK. & GREV. This was found near 

 Montclair in a swampy place that had become dry. 



485. Equisetum arvense L. 



486. Equisetum laevigatum BRAUN. 



487. Equisetum variegatum SCHLEICHER. 



These three species of Equisetum grow along the Platte 

 River and Cherry Creek. 



No ferns have been found; only two mosses have been no- 

 ticed and one liverwort. 



