ULMACEAE 



SUGARBERRY. SUGAR HaCKBERRY 



Celtis laevigata Willd. {Celtis mississippiensis Bose) 



HABIT. A medium-sized tree 60-80 feet high and 2-3 feet 

 in diameter (max. 5 feet); crown rounded with spreading 

 branches. 



LEAVES. Oblong-lanceolate; 2-5 inches long; acuminate 

 apex; obliquely rounded or cordate at base; entire or irregu- 

 larly and sparingly toothed; thin; light green and smooth or 

 slightly rough above; smooth below, with veinlets not conspicuous; 

 petioles V^-Yi inch long. 



FRUIT. Va inch long; subglobose; dark orange-red; on 

 pedicels shorter or slightly longer than leaf petioles. 



BARK. Rather thin {V'i-V'i inch thick); pale gray; covered 

 with prominent wartlike excrescences. 



SILVICAL CHARACTERS. Intermediate in tolerance; 

 rapid growing; lateral roots; site varies from moist stream banks 

 to the variety texana (Scheele) Sarg. on dry rocky bluffs in West. 



* * * 



Netleaf Hackberry 



Celtis reticulata Torr. {Celtis douglasii Planch.) {Celtis 

 laevigata var. brevipes Sarg.) 



HABIT. A shrub or small tree rarely 30 feet high and 1 foot 

 in diameter; crown open with stout, ascending branches. 



LEAVES. Broadly ovate; lH-3 inches long; acute or acu- 

 minate tips; obliquely rounded at base; margins entire or with 

 a few coarse teeth; thick; dark green and rough or smooth above; 

 paler below with conspicuous reticulate veinlets: petioles Vq-Vz 

 inch long. 



FRUIT. K inch long; subglobose; orange-red to yellow; on 

 pedicels longer but not twice as long as leaf petiles. 



BARK. Thick; red-brown to ash-gray; rough with prominent, 

 short, projecting ridges. 



SILVICAL CHARACTERS. Moderately intolerant; on dry, 

 rocky hillsides; a confused species including many forms pre- 

 viously considered distinct. 



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