4 CATALOGUE OF PLANTS. 



Order 8. CRUCIFER-SI. Mustard Family. 



Dentaria, Tourn. Pepper-root. 



D. diphylla, L. Rich woods ; common. 



D. laciniata, Muhl. Plainfield, Dr. Barrows ; rare. 



D. maxima, Nutt. With the first, but less common. 



Cardamine, Tourn. Bitter Cress. 

 C. hirsuta, L. Wet ground. A slender variety is found in dry places. 



Arabis, L. Rock-Cress. 



A. hirsuta, Scop. Rocky places ; not rare. 

 A. laevigata, Poir. Woods and ravines ; not common. 

 A. perfoliata. Lam. (Tower Mustard.) Hartford, Vt., Flint ; Norwich, 

 Vt., Jesiip ; Hanover, Lyme, etc. ; not common. 



A. confinis, Watson. (A. Drummondii, Manual, 5th ed.) Hanover, N. H., 

 A. C. French ; Fairlee, Vt., F. O. Grover ; not common. 



Camelina, Crantz. False Flax. 



C. SATIVA, Crantz. Occasionally in grass grounds. European. 



Nasturtium. R. Br. Water-Cress. 



N. SYLVESTRE, R. Br. (Yellow Cress.) A weed in river meadows. Nor- 

 wich, Vt. ; etc. ; from Europe. 

 N. palustre, DC. Marsh Cress. Wet places; common. 

 N. Armoracia, Fries. (Horseradish.) Rarely seen in fruit; European. 



Barbarea, R. Br. Winter Cress. Yellow Rocket. 



B. vulgaris, R. Br. Low grounds ; common. 



Hesperis, Tourn. Common Rocket. 



H. matronalis, L. Roadsides, etc. ; a garden escape. 



Erysimum, Tourn. Treacle Mustard. 



E. cheiranthoides, L. Hanover ; a weed in gardens. 



Sisym.brium, Tourn. Hedge Mustard. 



S. officinale, Scop. Common European weed. 



Brassica, Tourn. Cabbage, Mustard, etc. 



B. CAMPESTRis, L. (Kale.) Common in grain fields; a troublesome weed. 

 B. SiNAPiSTRUM, Boissier. (English Charlock.) Plainfield, J/m 6'/<fe/^;zj ; 



Plymouth, H. E. Sargent ; not common. 

 B. ALBA, Gray. (White Mustard.) Rare. 



B. NIGRA, Koch. (Black Mustard.) Common near dwellings ; all from 

 Europe. 



Capsella, Medic. Shepherd's Purse. 



C. BuRSA-PASTORis, Moench. A weed in gardens; from Europe. 



Thlaspi, Tourn. Pennycress. 



T. ARVENSE, L. Pomfret, Vt., A. P. Morgan; Lebanon, Jesnp ; waste 

 places ; rare ; European. 



