Class V. Order I. 



teeth subulate, as long as the corolla. Capsules oval, turgid.- 

 Cambridge.- August. Biennial. 



The plant operates violently as an emetic, and has been used 

 ivith advantage in asthma and some similar affections. 



LOBELIA UORTMANNA. L. Water Lobelia 



Leaves linear, two celled, entire ; stem nearly 

 naked. L. 



A very singular aquatic plant. The leaves grow in a sin- 

 gle tuft at the bottom of the water. They are from one to three 

 inches long, recurved, blunt, and of a fleshy appearance. On 

 cutting them across, they are found to consist of two empty par- 

 allel tubes. The stem rises out of water, bearing a few remote 

 pendulous flowers of a pale blue colour. The whole plant gives 

 out a milky juice on being broken. Found in Fresh pond. July. 



66. DIERVILLA. 



DIERVILLA CAXADENSIS. Muhl. Yellow DierviUa. 



Racemes terminal ; leaves serrate. L. sub. syn, 



Syj2. LOXICERA DIERVILLA. L. 



This shrub with us is usually of small size. Leaves oppo- 

 site, on short petioles, ovate, smooth, serrate, acuminate. Flow- 

 ers of a pale yellow ; small, funnel shaped, with five roundish, 

 unequal segments. They grow in the axils of the upper leaves. 

 Woods, Cambridge, Brooklyn. June. 



67. TRIOSTEUM. 



TKIOSTEUJI PERFOLIATUM. L. Ffverwort. 



Leaves connate ; flowers sessile, whorled. Void. 



Syji. TRIOS fEUM MAJUS. Mich. 



Not very common. I have only met with it in the upper 

 part of Cambridge, and in Watertown. Stems from two to 

 three feet high. Leaves large, oval, acuminate, suddenly nar- 



