41 
drained classes of alluvial lands of the lower Mississippi River 
Valley proper, occurring in association with Quercus Nuttallii, Q. 
obtusa, Q. rubra leucophylla, Q. nigra and Ulmus crassifolia. Itis 
a timber tree of importance, its lumber not being separated in 
no 
be confused with Q. similis Ashe, likewise a tree of the lower Mis- 
sissippi River Valley, but which grows on the edges of salt flats, 
on the alluvials of small streams and on the margins of prairies 
and the distribution of which extends from eastern Texas to Mis- 
sissippi. Q. Mississippiensis may be the same as Q. stellata attenu- 
ata Sargent (Bot. Gaz. 65: 437. 1918. Not Q. attenuata Skan in 
Jour. Linn. Soc. 26: 506. 1899), reported from alluvial lands of 
White River, Arkansas Co., Ark. 
Malachodendron pentagynum grandiflorum comb. nov. Ma- 
lachodendron pentagynum Small, Flora S.E.U.S., Ed. I, 793. 
1903. Stewartia pentagyna grandiflora Bean (Trees and Shrubs 
Hardy in the British Isles 2:555. 1914). This showy variety 
seems to be confined to Rabun and the adjoining counties of north- 
eastern Georgia. 
“ Hicoria ovalis mollis comb. nov. C. arya ovalis mollis Ashe, 
Rhod. 25: 180. 1923. This pubescent variety originally described 
from Ohio has been recently found in middle North Carolina. 
1512 PARK Roap, 
Wasurncton, D.C. 
