70 Class V. Order IIL 



88. CICUTA. 

 CICUTA MACULATA. L. Water hemlock. Snakeweed* 



Serratures of the leaves mucronate, stipules ex- 

 tending up the petioles, two lobed at top. Mill. 



Stem three or four feet high, commonly purplish. Leaves 

 triply pinnate. Lcafets oblong-lanceolate, pointed, serrate, the 

 upper ones sessile, lower ones shortly petioled, the serratures 

 finely mucronate. Umbels of moderate size ; general invo- 

 lucre none, partial one of many leaves. In wet meadows. 

 June and after. Perennial. 



TRIGYWIA. 



89. VIBURNUM. 

 VIBURNUM LENTAGO. L. Pear leaved Viburnum. 



Leaves broad-ovate, acuminate, sharply serrate, 

 petioles margined, curled. Ait. 



A tall shrub in low grounds. Leaves very finely serrate, 

 the serratures sharp, a little turned inward. Petioles with a 

 membranous margin, widest in the upper leaves, waved or 

 curled. Flowers in cymes, as are all the subsequent species. 

 Fruit pleasant to the taste. South Boston, Cambridge. June. 



VIBURNUM NUDUM. L. Naked Viburnum. 



Leaves oval, a little wrinkled, revolute at the 

 margin, obsoletely crenulate. Ait. 



A shrub of low grounds like the last. Leaves smooth, tap- 

 ering to a bluntish point, entire or very slightly crenate, reflect- 

 ed at the margin. Cymes naked, without bractes or invoKcres. 

 The leaves turn black in drying. Cambridgeport.' June. 



VIBURNUM DENTATUM. L. JUrrow wopd> 



Leaves ovate, dentate, serrate, plaited. Z 



