Census of Cultivated Indigenous Plants. 



261 



Ulmus. About 16 species, of 



which we have 5. 

 U. alata, Michx. (Eng. 1820.) 

 U. Americana, Linn. * (Eng. 



1752.) There is a weeping 



variety. 



U. fulva. Michx. * (Eng.) There 

 is a weeping variety cata- 

 logued. 

 U/racemosa, Thomas. * 

 Platanace^e, Plane-Tree Family. 

 Platanus. A half dozen species; 



half in our region. 

 • P. occidentalis, Linn. * (Eng. 

 1636.) 



JUGLAKDACE^E, WALNUT FAMILY. 



Carya (or Hicoria). Nine or 10 

 species; American. 



C. alba, Nutt. (Hicoria ovata, 

 Britton.) * (Eng.) 



C. amara, Nutt. (Hicoria mi- 

 nima, Britton.) * (Eng.) 



C. aquatica, Nutt. * 



C. microcarpa, Nutt. * 



C. olivaeformis, Nutt. (Hicoria 

 Pecan, Britton.)* (Eng. 1766.) 

 Forty or fifty varieties of pe- 

 cans are recognized. See In- 

 troduction List. 



C. porcina, Nutt. (Hicoria 

 glabra, Britton.) * (Eng.) 



C. sulcata, Nutt. * 



C. tomentosa, Nutt. (Hicoria 

 alba, Britton.) * (Eng. 1766.) 

 Var. maxima, Nutt. "Var. 

 maxima. Fruit-globose, nearly 

 twice the size of that of the 

 type ; ' as large as an apple ' ; 

 Husk exceedingly thick." 

 Diet. Gard. 

 Juglans. Species 8; half in our 

 region. 



J. cinerea, Linn. * (Eng. 1656.) 

 J. nigra, Linn. * (Eng. 1656.) 

 Myricaceje, Sweet- Gale Family. 

 Myrica. Species about 35; 7 in 

 our limits. 

 M. (Comptonia) asplen ifl ora, 



Endi. * (Eng. 1714.) 

 M. Californica, Cham. * 

 M. cerifera, Linn. * 

 M. Gale, Linn. * 

 Cupulieer^e, Oak Family. 

 Alnus. Species 14; 6 in our ter- 

 ritory. 

 A. incana, Willd. * 

 A. maritima, Muhl. * 



A.rubra,Bongard,(A.Oregana).* 

 A. serrulata, Willd. * 



A. viridis, DC. Kelsey '90-'91. 

 G. & H. 1891. 



Betula. About 25 species ; 8 in this 

 region. 



B. glandulosa, Michx. (Eng. 

 1815.) 



B. lenta,Linn.* (Eng. 1759.) 

 B. lutea, Michx. f. (B. excelsa.)* 

 B. nigra, Linn. (B. rubra.) * 



(Eng. 1736.) 

 B. papyrifera, Marsh. * (Eng. 



1750.) Diet. Gard. gives the 



following varieties : 



var. fusca. Leaves smaller 



than those of the type, and less 



downy. 



var. platyphylla. Leaves very 

 broad. 



var. trichoclada. Leaves cor- 

 date. Branches extremely 

 hairy, and twigs in threes. 

 B. populifolia, Ait * (Eng. 1750.) 

 Diet. Gard. records 2 varieties : 

 var. laciniata. Leaves large, 

 shining and deeply cut. 

 var. pendula. Spray drooping 

 like that of B. alba, var. pen- 

 dula. 



B. pumila, Linn. (Eng. 1762.) 

 Carpinus. One species out of 9. 



C. Caroliniana, Walt. (C. Am- 

 ericana.) * (Eng. 1812.) 



Castanea. Four or 5 species de- 

 scribed ; 2 in our region. 



C. pumila, Mill. * (Eng. 1699.) 



C. sativa, Mill., var. Americana, 

 Watson. * Long cultivated ; 

 a few named varieties are dis- 

 seminated. 

 Corylus. About 7 ; we have 2. 



C. Americana, Walt. * (Eng. 

 1798.) 



C. rostrata, Ait. * (Eng. 1745.) 

 Fagus. Some 15 species, of which 

 we have 1. 

 F. ferruginea, Ait.* (Eng. 1766.) 

 Ostrya. Two species; 1 in Amer- 

 ica. 



O. Virginica, Willd. * (Eng. 

 1692.) 



Quercus. 300 species described; 

 53 in our region. 

 Q. agrifolia, Nee. (Eng. 1849.) 

 Q. alba, Linn. * (Eng. 1724.) 

 Q. aquatica, Walt* (Eng. 1723.) 

 Q. bicolor, Willd* (Eng. 1800.) 



