412 



PHYSICAL GEOGRAPHY. 



P. latifolium 



P. clandestinum. Panic-Grass. 

 P. xanthophysum. 



P. dichotomum 



P. depauperatum. 



P. Crus-galli. Barnyard- Grass. 



Set aria glauca 



S. viridis. Bristly Foxtail-Grass. . * 

 S. "verticittata. 



Cenchrus tribuloides. Bur-Grass. . A 



Andropogon furcatus. 



A. scoparius. Beard-Grass. 



A. Virginicus. 



HORSETAIL FAMILY. 



Equisetum arvense. Horsetail. . . * 



E. sylvaticum 



E. limosum. 



E. hyemale. Scouring-Rush. . . * 



E. variegatum. 

 Walpole. 



FERN FAMILY. 



Polypodium vulgare. Polypody. 

 Adiantum pedatum. Maiden-hair. 

 Pteris aquilina. Brake. Bracken. . * 



Woodwardia Virginica. Chain-Fern. 

 Concord. 



Asplenium Trichomanes. 



A. ebeneum. 



A. angustifolium. 



A. thelypteroides. Spleenwort. 



A. Filix-fcemina. .... * 

 do. var. molle. 

 Bethlehem. 



Camptosorus rhizophyllus. Walking- Leaf. 

 Lebanon. 



Phegopteris polypodioides. . . *C 



P. hexagonoptera. Beech-Ferns. 



P. Dryopteris *C 



Aspidium Thelypteris. . . * 



A. Noveboracense. . . * 



A. fragrans. 



Berlin Falls, Gorham. 



A. spinulosum. Shield-Ferns. 

 var. intermedium, 

 var. dilatatum. 

 var. Bootii. 



A. cristatum. Wood-Ferns, 

 do. var. Clintonianum. 



A. Goldianum. 

 A. marginale. 



A. acrostichoides ; 



do. var. incisum. 



A. aculeatum ; var. Braunii. 



Cystopteris bulbifera. 



C. fragilis. Bladder-Fern. 



* 



* 



C 

 C 



Struthiopteris Germanica. Ostrich Fern. * 



Onoclea sensibilis. Sensitive Fern. 



do. var obtusilobata. 



Bethlehem. 



Woodsia obtusa. 



W. ilvensis. 

 Hanover. 



W. glabella. 



Dicksonia punctilobula. . . * 



Lygodium palmatum. Climbing Fern. 

 Hudson. 



Flowering Fern. 

 " Buck's-horn." 



Osmunda regalis. 



O. Claytoniana 



O. cinnamomea. Cinnamon-Fern. 



Botrychium Virginicum. 



B. lunarioides ; Moonwort. 



var. obliquum, 

 var. dissectum. 



B. matricaraefolium. 



Bethlehem, Lebanon. 



B. simplex. 

 Richmond. 



B. lanceolatum. 

 Richmond. 



Ophioglossum vulgatum. Adder's-Tongue. 

 Hanover, Langdon, Lebanon, Gilmanton. 



CLUB-MOSS FAMILY. 



Lycopodium lucidulum. 



L. Selago M 



