30 Flora of Rensselaer County, N. Y. 



Asparagus officinalis, L. 

 Smilacina racemosa, Desf. 



stellata, Desf. 



trifolia, Desf. 

 Maianthemum Canadense, Desf. 

 Streptopus amplexifolius, DC. 



rose us. Mx. 

 Cliiitonia borealis, Raf. 

 Uvular ia pertoliata, L. 

 Oakesia sessilifolia, Wats. 

 Erythronium Americanum, Ker. 

 Lilium Philadelphicum, L. 



superbum, L. 



Canadense, L. 



tigrinum, Ker. 

 Medeola Americana, L. 

 Trillium erectum, L. 



grundif lorum, Salisb. Oakwoud, Howe, 1863. Rare. 



cernuum, L. W. Nassau, Wibbe. Rare. 



erythrocarpum, Mx. 

 Veratrum viride, Ait. 



Chamfelirium Carolinianum, Willd. N. Nassau, Wibbe. Very 

 rare. 



POIVTEDERIACE^E. 



Pontederia cordata, L. 



var. angustifolia, Torr. Hack's Pond, E. Poestenkill, Wibbe. 

 Rare. 

 Heteranthera graminea, Vahl. 



XYRIDACE^E. 

 Xyris flexuosa, Muhl., var. pusilla, Gr. Sandlake, Peck, Cran- 

 berry marsh, Wibbe. Rare. 



commelinaceIe. 



Tradescantia Virginica, L. Spider-wort. Gard. sc. 



JUNCACE^. 



J uncus effusus, L. 



marginatus, Rostk. Poestenkill, Howe, Center Island, 



Gordinier. Infrequent. 

 tenuis, Willd. 

 bufonius, L. 

 articulatus, L. 

 acuminatum, Mx. 

 var. debilis, Eng. 

 nodosus, L. 

 Canadensis, Gay 



