406 



PHYSICAL GEOGRAPHY. 



WATER-STARWORT FAMILY. 



Callitriche verna. Water-starwort. * 



C. terrestris. 



SPURGE FAMILY. 



Euphorbia polygonifolia. . . . S 



E. maculata. 



E. hypericifolia. Spurge. 



E. Esnla. 



E. Cyparissias. 



Acalypha Virginica. 



Three-seeded Mercury. 



CROWBERRY FAMILY. 



Empetrum nigrum. Crowberry. . M 



NETTLE FAMILY. 



Ulmus fulva. Slippery elm. 



U. Americana. White elm. . . * 



U. racemosa. 



Walpole, Hanover. 



Celtis occidentalis. Sugarberry. 

 Claremont, Walpole. 



Mortis alba. Mulberry. 



Urtica gracilis. 

 U. dioica. Nettle. 

 U. urens. 



Laportea Canadensis. Wood-nettle. 



Pilea pumila. Richweed. 



Bcehmeria cylindrica. False Nettle. 



Cannabis sativa. Hemp. 



Humulus Lupulus. Hop. 



PLANE-TREE FAMILY. 



Platanus occidentalis. Buttonwood. A 



WALNUT FAMILY. 



Butternut. 



T , . S Butterr 



Juglans cinerea. J oihmL 



Carya alba. Shell-bark Hickory. . *A 



C. tomentosa. Pig-nut. 



C. porcina. .... 



Claremont. 



C. amara. ..... 



OAK FAMILY. 



Ouercus alba. White oak. . . *A 



O. obtusiloba. Post-oak. . . . A 



Q. Prinus. Chestnut oak. . . . A 

 Amherst, West Ossipee. 



Q- nigra A 



Q. ilicifolia. Scrub-oak. . . . *A 



Q. coccinea ; var. tinctoria. Black oak. A 



Q. rubra. Red oak *A 



Castanea vesca. Chestnut. 



Fagus ferruginea. Beech. . 



Corylus Americana. . 

 C. rostrata. Hazel-nut. 



Ostrya Virginica. Lever-wood. 



Carpinus Americana. \ g<>n-wood. 

 1 ( Hornbeam. 



SWEET-GALE FAMILY. 



Myrica Gale. Sweet Gale. 



M. cerifera. Bayberry. 

 Milford, New Boston. 



.*A 

 . *C 



* 

 * 



* 

 S 



Comptonia asplenifolia. Sweet Fern. *A 



BIRCH FAMILY. 



Betula lenta. Sweet, or Black Birch. 



B. lutea. Silver, or Yellow Birch. . * 



B. alba; var. populifolia. White Birch. *A 



B. papyracea. 



Canoe, or Paper Birch. * ; fM 

 B. nigra. 



Atkinson, Acworth. 



B. pumila. Low Birch. 



B. glandulosa. Dwarf Birch. . . M 



Alnus viridis. Mountain Alder. C ; fM 

 A. incana. Common Alder. . . * 

 A. serrulata A 



WILLOW FAMILY. 



Salix Candida C 



S. humilis. 



S. discolor. . . . . . * 



