SPERMATOPHYTA. 5 5 



adhered. On one plant all six leaves had caught their prey; and on 

 several plants very many leaves had caught more than a single insect. 

 On one large leaf I found the remains of thirteen distinct insects." 

 See Darwin's "Insectivorous Plants," pp. 1-277, for an account 

 of this one species. 



iongifolia L. In bogs and in wet sand. 



PODOSTEMACE^: (RIVER WEED FAMILY). 



Podostemum Michx. River Weed. 



ceratophyllum Michx. In shallow waters. 



CRASSULACE^E (ORPINE FAMILY). 



Penthorum (Gronov.) L. Ditch Stonecrop. 



sedoides L. In ditches and swamps, common. 



Sedum (Tourn.) L. Stonecrop. 



acre L. Mossy Stonecrop. Escaped from cultivation, 

 ternatum Michx. 



Worcester. Mr. T. E. N. Eaton, 

 purpureum Tausch. Live-for-ever. 



Escaped from cultivation. 

 Sempervivum (Rupp.) L. Houseleek. 

 tectorum L. Hen-and-chickens. 

 Templeton. Mr. P. Blodgett. 



SAXIFRAGACE^E (SAXIFRAGE FAMILY). 



Saxifraga (Tourn.) L. Saxifrage. 



pennsylvanica L. Swamp Saxifrage. 



In swampy places, common, 

 virginiensis Michx. Early Saxifrage. 



In dry and rocky woodlands, common. 



