26 
Spartina juncea Ell. e Ala.; Apalachicola, St. Georges Island, and Jackson- 
ville, Fla.; Norfolk, Va., in brackish marshes and on seabeaches. The south- 
ern iui is much idi en the ordinary form of the New England and Middle 
States. When growing on beaches it sends out stolons, often 3 feet long, with 
b orpiisio polished hor It takes firm hold of the sand and is excellent for 
inding it. 
Spartina polystachya Ell.—Mobile, Ala.; Apalachicola, Fla.; Savannah, Ga.; Wil- 
mington, N. C.; Suffolk and Norfolk, Va., in brackish marshes. 
FIG. 7.— Toothache grass (Cteniwm americanum). 
Ctenium americanum Spreng. —Mobile, Ala.; Apalachicola and Jacksonville, Fla. ; 
Wilmington, N. C., low, wet pine barrens. The bud of next season on the root- 
stock is snugly protected by the scaly bases of old leaf sheaths that clothe the 
base of the culm. The spikes, while young, stand out at right angles to the 
culm; but as they mature they become more or less curled. Occasionally a 
quite glaueous beneath. When young, Cfenium has not much odor, but as the 
plants grow older, especially when exposed to the sun, the whole plant exhales 
ce not unlike that of Melissa officinalis. I did not find the rootstock 
very pungent to the taste at this season. 
e Mp glauca Vasey.—Jacksonville, Fla., in dry soil along a ditch near St. Johns 
River. This and the next species are e biennial, the tufts of leaves at 
