Class V. Order I. 



glabrous, dotted, acute. Raceme often half a foot in length. 

 Flowers on horizontal, capillary footstalks, an inch in length. - 

 Mr. Curtis has observed, that this species produces stem bulbs 

 in the axils of the leaves. Low grounds. July. Perennial. 



57. MENYANTHES. 

 MENVAXTHES TRIFOLIATA. L. Buck bean. 



Leaves ternate. L. 



Leaves inversely ovate, slightly toothed or repancl on the 

 margin, three on a petiole. Flower stalk round, erect, bearing 

 a pyramidal cluster or thyrse of elegant reddish white flowers. 

 Corolla of five reflexed segments, very hairy on the inner side. 

 Grows in a small pond near Charles river, upper part of Cam- 

 bridge. May. Perennial. r A bitter plant of some medicinal 

 reputation. 



8. CONVOLVULUS. 

 CONVOLVOLUS SEPIUM. L. Large bindweed. 



Leaves arrow shaped with the posterior lohes 

 truncated ; peduncles square,, one flowered ; brac- 

 tcs heart shaped, close to the flower. Sm. 



The American variety of Convolvulus sepium is one of the 

 finest of the genus. It climbs about fences and bushes in low 

 ground, its large red and white blossoms expanding in June 

 and July. Stem twining, a little angular, smooth. Leaves 

 large, arrow shaped, the hinder lobes cut off, particularly in, 

 the upp'cr leaves. Flower stalks square, axillary, bearing a 

 pair of hev.rt shaped bractes so close to the flower as to appeal- 

 like its calyx. Perennial. 



CONVOLVULUS ARVEXSIS. L. Small bindweed. 



Leaves arrow shaped, the lobes acute ; flowers 

 generally solitary ; bractes minute, remote from the. 

 flower. Sm. 



