SAXIFRAGACE^E. 



1871. 



1872. 



1873. 



Kibes Cynosbati, L 



_^~rotuudifoliurn, MX Aprl 15 May 7 Aprl 25 May 12 



floridum, L Aprl 21 May 13 May 8 



frleuehera hispicia, Pursh.... May 16 June 8 June 1 June 26 



^ Mitella diphylla, L Aprl 14 May 11 



CRASSULACE^E. 



Penthorum sedoides, L June 26 Sept 10 July 7 Sept 5 ! 



May 2 



May 10 May 31 



June 25 



May 13 May 24 



HALORAGE^E. 



Myriophyllum scabraturn, MX. 



June 18 Aug 20! June 1 



ONAGRACE^E. 



Circrea Lutetiana, L June 15 June 23 July3l! June 29 



Gaura biennis, L 



Epilobium c-oloratnm, Mnhl . . Sep 12! July* 15 



(Enothera biennis, L July 10 July 12 Frost 



^rhombipetnla, Nutt June 15 Sept ! June 27 June 23 



fruticosa, L May 27 June 20 June 6 July 19 June 7 



Ludwigia alterni folia, L Aug 7 ! 



^.polycavpa, Short & Peter. July 28 Frost 



.-; palustris, Ell Sep 28 ! 



LYTHRACEJE. 



Aramannia humiris, MX 



latifolia, L Aug 8 Frost 



'Nuttallii, Gray 



\ Lythrum alatum, Pursh June 12 June 22 Sep 20! 



CACTACE^E. 



Opuntia Rafinesquii, Engelm. June 16 



UMBELLIFER^E. 



Sanicula Canadensis, L June 1 



Eryngium yucca? folium, MX. . July 20 Aug 19! 



.^-Polytsenia Nuttallii, DC May 26 June 20 



' Heracleiun lanatum, MX May 20 June 1 



Pastinaca sativa, L May 20 May 27 



Archemora rigida, DC July 22 



/ I have never seen any published notice of one peculiarity of this species : The 6 10 fibrous roots 

 proceeding from the base of the stem bear at their extremities roundish tubers something like those of 

 |jf Apios tuberosa, varying in size with the ago of the plant, the larger ones an inch or more in thickness. 



Thaspium barbinode, Nutt. .. June 11 



aureum, var apterura, Gr. 



trifoliatum, Gray 



Zizia integerrima, DC May 18 May 25 



Cicuta rnaculata, L June 27 June 25 



Sium lineare, MX July 26 Sept 20 



CryptotaBnia Canadensis, DC. June 12 



ChaBrophyllnm procumb., Lam 

 Ostnorrhiza longistylis, DC.. May 14 



