OP NORTH AMERICA. 47 



and not obliqual at base. Found in the Alle- 

 gliany ints. on the banks of the Susquehanah, 

 leaves 3 to 5 inches long nearly trincrve at base 

 nerves yellow quite smooth, berries dark red, 

 called the wild black Mulberry, or Water Mul- 

 berry. A pretty tree growing even among 

 rocks. 



589. Moiius CANADENSIS Lamark. leaves 

 ovate obliqual base rounded not cordate, ser- 

 rate nearly smooth long acuminate in Canada 

 Maine and the Alleghanies, called the Rock 

 Mulberry, fruits not seen. 



590. MORUS PAR vi FOLIA Raf. Monoical, pe- 

 tiols long and slender, leaves small and smooth, 

 ovate acute or obtuse not lobate, equaly sub- 

 crenate, base truncate often obliqual, fruits short 

 on very short peduncles. Mts. Alleghanies and 

 Apalachian, called the Indian THulberry, said 

 to have been cultivated by the Indians, often 

 mistaken for the White .Mulberry, the fruits 

 being very small ovatoblong of a flesh color and 

 sweet. Leaves only 1 or 2 inches long, not so 

 thin as in M. riparia, petiols over one inch, 

 Male catkins on same branches, with longer 

 peduncles, segments of calix rounded. Styles 

 very short- 



591. MORTIS SCABRA W. enum. Leaves am- 

 ple thin trilobed, base cordate, rough on both 

 sides, pale beneath, serrate, large teeth inter- 

 jected in the sinusses, fruits terete black acid 

 in Louisiana called the black Indian Mulberry, 

 communicated to me by Dr. Mease. Leaves 5 

 to 8 inches long and wide, lobes acute not acu- 

 minate, lateral lobes oblong, terminal oval or 

 narrowest at base. 



592. MORUS TOMENTOSA Raf. fl. lud. 379. 

 Leaves broadly cordate acuminate dentate, 



