Supplement to Catalogue of Arkansas Plants 111 
X Quercus subfalcata Trel. (Q. Phellos x Q. 
rubra.) 22466, 24013, etc. Fulton and McNab, Hemp- 
stead Co.; Cove Creek, Faulkner Co. (D. Demaree). 
Quercus Durandii x stellata. 12659, 20715, ete. Mc- 
Nab, Hempstead Co. 
Quercus nigra x Shumardii. 22301 McNab, Hemp- 
stead Co. 
Quercus nigra x rubra. 23139, 24876, ete. Hot 
Springs, Garland Co. 
Ulmaceae: 
Ulmus serotina Sarg. 6944, Jasper, Newton Co.; 
21013 Van Buren, Crawford Co.; 26603 Magnet 
Cove, Hot Springs Co.; 22277 McNab, Hempstead 
Co. 
Celtis laevigata var. texana Sarg. Southern 
Hackberry. 412 McNab, Hempstead Co.; 20491 
Eureka Springs, Carroll Co. Common throughout 
the state. 
Celtis occidentalis var. canina (Raf.) Sarg. Fay- 
etteville, Goshen, Washington Co.; 14329 Cotter, 
Marion Co. 
Celtis occidentalis var. crassifolia. (Lam.) Gray. 
Rough leaved Hackberry. 20672 Cotter, Marion 
Co.; 22208, 21012 Van Buren, Crawford Co. 
Celtis pumila var. georgiana (Small) Sarg. Savoy, 
West Fork, Washington Co. 
Moraceae: 
Broussonetia papyrifera (L.) Vent. (P apyrius 
papyrifera (lL). Kuntze). Cultivated, occasionally 
escaped. Paper Mulberry. 
