IN EXTRA-TROPICAL COUNTRIES. 339 



Ulmus crassifolia, Nuttall. 



The evergreen Elm of Mexico and Texas. 



Ulmus Floridana, Chapman. 



The West Florida Elm. Forty feet high. 



Ulmus fiilva, Michaux. 



The Slippery or Red Elm of North America. Sixty feet high. 

 Splendid for street-planting (Vasey). There is a pendant 

 branched variety. Wood red, tenacious. Useful for wagon 

 hubs and wheels (Vasey) . Regarded as the best North American 

 wood for blocks of rigging, according to Simmonds. The 

 leaves seem available for food of the silkmoth. 



Ulmus Mexicana, Planchon. 



Cordilleras of North America. This Elm attains a height of 

 60 feet or perhaps more. Many of these Elms are available 

 as quick-growing avenue trees for shade-lines. 



Ulmus parvifolia, Jacquin. 



The evergreen Elm of China, Japan, and Queensland. A 

 similar tree is found in the Himalaya Mountains. 



Ulmus pedunculata, Fougeraux. (U. dliata, Ehrhart.) 



Europe and Asia, through their middle zone. A fine avenue- 

 tree. 



Ulmus racemosa, Thomas. 



The Cork Elm of North America, also called Western Rock 

 Elm. Wood as valuable as that of U. Americana, but 

 much heavier. It is fine-grained and compact, tough, not liable 

 to split, holds bolts better than most timber, extremely dur- 

 able when constantly wet; deserves unqualified praise as a 

 furniture wood for hardness, strength, beauty, and buff-reddish 

 tint ; largely employed for piles, pumps, naves, tackle blocks, 

 keels, heavy agricultural implements, such as mowing and 

 threshing machines, ploughs, gunwales (Robb, Sargent). 



Ulmus Wallichiana, Planchon. 



Himalayan Elm. In the mountains of India from 3,500 to 

 10,000 feet. A tree up to 90 feet high with deciduous 

 foliage, the stem attaining a girth of 24 feet. 



Uniola paniculata, Linne'. 



North-East America. This tall maritime grass can be chosen 



