55 



SMILACINA 



amplexicaulis, Nutt. 

 racemosa, Desf. 

 sessilifolia, Nutt. 

 stellata, Desf. 

 trifolia, Desf. 



SMILAX 



herbacea, L 

 hispida, Muhl. 

 quadrangularis, Pursh. 



STENANTHIUM 



occidentale, Gray. 



STREPTOPUS 



amplexifolius, DC. 

 roseus, Michx. 



TOFIELDIA 



borealis, Wahl. 

 coccinea, Richards. 



var. major, Hook, 

 glutinosa, Willd. 

 occidentalis, Watson. 



TRILLIUM 



cernuum, L. 



erectum, L., var. atropurpureum. 

 Hook. 



var. album, Pursh. 



var. declinatuin, Gray. 



vaa. ochroleucum, Hook, 

 erythrocarpum, Michx. 

 grandiflorum, Salisb. 

 ovatum, Pursh. 



UVULARIA 



granditiora, Smith, 

 perfoliata, L 

 sessilifolia, L. 



VERATRUM 



viride, Ait. 



XEROPHYLLUM 



tenax, Nutt. 



ZYGADENUS 



elegans, Pursh. 

 paniculatus, Watson, 

 venenosus, Watson. 



PONTEDERIACE/E. 



HETERANTHERA 



graminea, Vahl. 



PONTEDERIA 



cordata, L. 



var. angustifolia, Gray. 



XYRIDACE/E 



XYRIS 



flexuosa, Muhl., var. pusilla, Gray. 



JUNACE/E. 



JUNCUS 



acumiriatus, Michx., var. legiti- 



mus, Engelm. 



alpinus, Vill., var. insignis, Fr. 

 arcticus, Willd. 



var. Sitchensis, Engelm. 

 articulatus, L. 



Balticus, Dethard, var. littoralis, 

 Engelm. 



var. inontanus, Engelm. 

 big lu mis, L. 

 bufonius, L. 



var. t'asciculifiorus, Boiss. 

 Canadensis, J. Gay, var. coarcta- 

 tus, Ei'gelm. 



var. longecaudatus, Eng. 

 castaneus. Smith. 

 Drummondii, Mever. 



