( 28 ) 



3. RTJMEX, L. Dock. 

 J. Patientia, L. Patience. Amherst, Tuclcerman, and com- 

 mon northward, Jesup. 



2. orbiculatus, Gray. Great Water-Dock. Amherst, &c, Jesup 



and northward, Frost. 



3. verticillatus, L. Granby, Jesup. 



4. crispus, L. Curled Dock. 



5. obtusifolius, L. Bitter Dock. 



6. Acetosella, L. Sheep's Sorrel. 



Order 68. LATJRACE-ffi. 

 1. SASSAFRAS, Xees. 

 officinale, Xees. Sassafras. 



2. LINDERA, Thuub. 

 Benzoin, Meissn. Spice-bush. 



Order 69. THYMELEACEiE. 



D I R C A , L. Leatherwood. 

 «palustris, L. 



Order 70. SANTALACEiE. 



COMANDRA, Nott. 

 umbellata, Nutt. 



Order 71. CERATOPHYLLACEiE. 

 CERATOPHYLLUM, L. 

 demersum, L. Ponds. 



Order 72. CALLITRICHACEiE. 



CALLITRICHE, L. 

 verna, L. 



Order 73. PODOSTEMACE^. 

 PODOSTEMON, Michx. 

 ceratophyllus, Michx. In Conn, river, Hitchcock. 



Order 74. EUPHORBIACE-ffi. 



1. EUPHORBIA, L. Spurge. 



1. maculata, L. 



2. hypericifolia, L. 



3. Cyparissias, L. Cypress-Spurge. 



2. ACALYPHA, L. Three-seed Mercury. 

 Virginica, L. 



