46 ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



33. CARDAMINE Tourn. [L.] 



60. C. rhomboidea DC. [C bulbosa (Schreb.) B. S. P.] Spring Cress. 



Woods, wet meadows and springy places ; common. 



61. C. rhomboidea DC. var. purpurea Torr. \C. Dou_^lassi (Torr.) Britton.] 



PUKl'Ll-: FLOWERED SPRING CrESS. 



Low grounds along rivulets, wet places ; common. 



62. C. pratensis L. Cuckoo-flower. 



Wet meadows and bogs ; scarce. Near Rochester, Dr. C. M. Booth. 

 West Henrietta, y. B. Fuller. Penfield and Bergen, J/. 6". Baxter. 

 W^ayne county, E. L. Hankeiixoii. 



63. C. hirsuta L. Small Bitter Cress. 



Wet places ; common. 



34. ARABIS L. 



64. A. hirsuta Scop. {A. hirsuta (L.) Scop.] Rock Cress. 



Rare. Rocky bank of Genesee river below lower falls. 



65. A. laevigata Poir. [. /. hvvigata (Muhl.) Poir.] Rock Cress. 



Rocky places ; frequent. 



66. A. Canadensis L. Sickle-pod. 



River banks and ravines ; not common. 



67. A. perfoliata Lam. \A. glahra'L?\ Tower Mustard. 



Rare. Brockport, M. S. Baxter. Dr. Searing. Wayne county. 



35. A LVSSUM "XoMxn. [L.] 



68. A. CALYCINUM L. YAlyssmn alyssoides [\^.) Qowa\-\.\ 



Rare. Roadside, Culver park, Rochester, with Crcpis tcctoriuii, J. B. 

 Fuller. Scottsville, Miss Florence Beckiaith. Wayne county. 



36. CAM ELI XA Crantz. 



69. C. SATIVA Crantz. {C. satizui {\..) Cmnti.] False Flax. 



Occasional in fields and waste places. Abundant in wheat fields near 

 Bergen, Genesee county, jp//: N. V. Rep. Wayne county. 



37. NASTURTIUM R. Br. [Roripa Scop.] 



70. N. OFFICINALE R. Br. Roripa Nasturtittvi (L.) Rusl)y.] True Water 



Cress. Cold streams, ditches, springy places ; abundant. 



71. N. SYLVESTKi': R. Br. [Roripa sylvestris [h.) Bess.| Vkllow Cress. 



Flats along Genesee river : below the upper landing; abundant near 

 the mouth of Red creek ; in the town of Henrietta and near Scottsville, 

 Miss /''lore nee Bcckivit/i. 



72. N. palustre DC. [Roripa palusiris {\^.) Bess.] Marsh Cress. 



Muddy shores, ditches, wet places ; common. 

 7^. N. palustre DC. var. hispidum Gray. [Roripa hispida (Desv.) Britton.) 



Rare. Long Pond, Dr. /Inna If. Searing. Wayne county. 

 74. N. lacustre Gray. [Roripa Americana (A. Gray) Britton.] Lake Cress. 



Common in bays and inlets along the shore of lake Ontario, Black 

 creek, near Bergen, ./oth N. V. Rep. 



