46 
NEW SYLVA. 
figure — the Quechue of Orinoco mentioned by 
Caulin p. 15. is probably another Fustic, the 
fruit is green and sweet falling as soon as ripe. 
584. Broussonetia papyrifera Duhamel, 
W. 4»c Papyria of Lain ark, Morus papyrifera 
L. Sm. &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 Laraark 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. Morus rubra L. our well known Red 
Mulberry found from Canada to Louisiana. It 
has some Var. 1 pallida fruits pale, 2 hctero - 
phylla 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, smooth leaves ovate deep- 
ly cordate, seldom lobed lateral, quite smooth 
and thin crenate serrate, acute not acuminate, 
