926 The Trees of Great Britain and Ireland 



2. Celtis glabrata, Steven. Asia Minor, Caucasus. See p. 929. 



Leaves bluish green, serrate except near the base, acute or very shortly 

 acuminate, conspicuously punctate when viewed with a lens. 



** Leaves pubescent. 



3. Celtis occidentalis, Linnaeus. North America. See p. 930. 



Leaves caudate-acuminate, serrate in the upper half or two-thirds, smooth to 

 the touch above, pubescent on the nerves beneath. 



4. Celtis crassifolia, Lamarck. North America. See p. 932. 



Leaves shortly acuminate, serrate in the upper half or two-thirds, scabrous to 

 the touch above, pubescent on the nerves beneath. 



II. Leaves lanceolate. 



* Leaves usually entire. 



5. Celtis mississippiensis, Bosc, North America. See p. 933. 



Leaves, entire in margin, rarely dentate at the apex, glabrous except for 

 axil tufts at the base beneath. 



** Leaves serrate, 



6. Celtis australis,\J\m\ceM?,. Southern Europe, North Africa, Caucasus. See below. 



Leaves caudate - acuminate, covered beneath throughout with a soft 

 pubescence. 



7. Celtis caucasica, Willdenow. Caucasus, Persia, Afghanistan, Baluchistan, 



N. India. See p. 928. 

 Leaves shortly acuminate, pubescent beneath only on the midrib and nerves. 



(A. H.) 



CELTIS AUSTRALIS, Nettle Tree 



CelHs australis, Linnseus, Sp. PI. 1043 (1753); 'Lxm&on, Arb. et Frut. Brit. iii. 1414 (1838); 

 Planchon in DC. Prodr. xvii. 169 (1873) j Boissier, i^/. OrientaUs,'\v. 1156(1879); Willkomm, 

 Forstliche Fbra, 545 (1887); Mathieu, Flore Forestiire, 293 (1897). 



A tree, usually attaining 50 to 70 feet in height, and 10 feet in girth, but in rare 

 cases becoming as much as 20 feet in girth. Bark thin, greyish, smooth, somewhat 

 resembling that of the beech, but on old trunks sometimes covered with warty 

 excrescences. Young branchlets pubescent. Leaves (Plate 267, Fig. 5), about 4 

 inches long by i^ inch broad, oval-lanceolate, unequal and cuneate at the base, con- 

 tracted above into a very long caudate-acuminate apex, serrate except near the base ; 

 upper surface dark green, scabrous, shortly-pubescent ; lower surface greyish, covered 

 with a soft tomentum ; petiole greyish -tomentose, about ^ inch long. Fruit globose, 

 up to J inch in diameter, at first whitish, then red, and finally dark-brown ; with a 

 scanty sweetish flesh. Fruit pedicel, very slender, an inch or more in length. The 

 seedling ^ is similar to that of C. occidentalis ; but the cotyledons are wider, rhomboidal 

 in shape, and with a shallower emargination ; and the primary leaves are longer, 

 narrower, and more acuminate. The seedling attains about 8 inches in height in the 

 first year. 



* Lubbock, Seedlings, ii. 495 (1892). 



