4G NEW SYLVA. 



figure — the Q,uecluie of Orinoco mentioned by 

 Caiilin p. 15. is probably another Fustic, the 

 fruit is green and sweet falling as soon as ripe. 



584. BR0uss0x^^KTiA papyuifeua Duhamel, 

 W. i^^c Papyria of Lamark, Morus papyrifera 

 L. Sin. &.C. A well known useful tree native 

 of Japan and Polynesia, now introduced in the 

 open grounds of Europe and America, quite 

 common in our gardens where it bears the 

 winter pretty well, altho' injured sometimes 

 by frost. We have only the male trees. 



Genus MORUS. 



585. Morus alba L. &.c. A well known 

 tree, now widely spreading with us, almost wild 

 in some localities. White Mulberry. This is 

 said to be constantly monoical, but the other sp. 

 are often dioical and polygamous. 



586. Morus nigra L. &c. Black Mulberry, 

 also cultivated for the fruit. — The best Mono- 

 graph of this Genus are those of Lamark and 

 Smith, including the Fustic trees however ; but 

 Lamark has a new American sp. M. canaden- 

 sis, and Wildenow another M. Scabra, I can 

 add 4 others besides the M. multicaulis. Eaton 

 has only 3 ! Nuttal admits the M. scabra. I 

 have 9 whereof 7 seen alive and one dry. 



587. MoKus RUBRA L. cur well known Red 

 Mulberry found from Canada to Louisiana. It 

 has some Var. 1 pallida fruits pale, 2 hetero- 

 phijlla with all the leaves unlike. Often dioi- 

 cal like all our American kinds. It is even 

 stated that the same trees often vary each year 

 in their sexes ? 



588. Morus riparia Raf. distinct from M. 

 rubra by long petiols, spjooth leaves ovate deep- 

 ly cordate, seldom lobed lateral, quite smooth 

 and thin crenate serrate, acute not acuminate, 



