I 1 8 Rhodora [June 



BARBAREA 



B. STRICTA, Andrz. B. vulgaris^ Gray, Man. Ed. 6, in part. 



NASTURTIUM 



N. terrestre, R. Br. N. palustre, DC. Roripa palttitris (L.) Bess. 

 N. OFFICINALE, R. Br. Roripa Nasturtium (L.) Rusby. 



N. Armoracia, Fries. Roripa Armoracia (L.) A. S. Hitclicock. P^ruiting 

 specimen in Herb. J. R. Churchill. 



CARDAMINE 



C. Pennsylvanica, Muhl. 



DENTARIA 



D. diphylla, L. Quite variable as to foliage, but always with the diphylla 



rootstock. 



CAPSELLA 



C. BuRSA-PASTORis, MocHch. Very variable in size and foliage. 



DRABA 



D. incana, L. 



D. incana, L., var. arabisans, Watson. 



DROSERACEAE 



DROSERA 



D. rotundifolia, L. 



CRASSULACEAE 



SEDUM 



S. Telephii M, L. Escape by edge of woods, Cheney Place. 

 S. ACRE, L. On old wall. 



SAXIFRAGACEAE 



SAXIFRAGA 



S. oppositifolia, L. Common on the cliffs. 

 S. aizoides, L. On the cliffs. 



S. Aizoon, |acq. On the upper portions of cliffs. 

 S. Virginiensis, Michx. 



TIARELLA 

 T. cordifolia, L. 



