132 Journal of the Mitchell Society [Septemher 



different from that of pallida^ especially in the absence of the broad 

 stigmatic lobes, but is strongly suggestive of that of Hicokia arkax- 

 SAXA n. c. (Cart/a arkansana Sarg. Trees and Shrubs, 2: 203. 1913). 

 though the mature fruits are very different. A more careful study of 

 the flowers and buds of pallida and villosa may furnish grounds for 

 their separation, but at present it seems preferable to consider both 

 of them as varieties of pallida, becoming respectively H. p. villosa 

 n.c, which is separated from the type by having usually fewer leaflets 

 and more rusty pubescence; and H. p. arkaxsana n. c, the twigs 

 and buds of which are more or less pubescent. The color of the 

 anthers is not constant, being either yellow or red, and pallida varies 

 greatly in the scurfiness on the fruit. All of these forms are charac- 

 terized by the peltate scales which clothe the lower surface of the 

 leaves and which separates these species when free from pubescence 

 from porcina and ovalis and when pubescent from alba, species which 

 never bear such scales. 



Varieties of Hicoria alba (L.) Brit. This species has three 

 forms in ISTorth Carolina: the typical with a medium-sized brown 

 nut; H. alba maxima (Nutt.) Brit, with a very large, 3-5 cm. long- 

 dark brown 4-angled nut; and H. alba albicans n. c. {Carija var. 

 Ashe, 1. c.) with a small scarcely 2 cm. long sharply 4-aiigled white 

 nut. The last two occur at Raleigh. 



Varieties of Hicoria ovata (Mill.) Brit. In addition to the 

 two shagbarks described in the Trees of ISTorth Carolina, three and 

 possibly four varieties of //. ovata occur. One, H. ovata nuttallii 

 (Sargt.)* n. c, differs from the type in the somewhat smaller but 

 globose fruit and occurs associated with the type form throughout the 

 western part of the State. As in the type the husk is sometimes 

 puberulent on the outer surface. 



The type and the above variety have the fruit gTOOved at the sutures 

 of the husk and often impressed at apex and base. Another variety, 

 Hicoria ovata grand is n. c. (Carya ovata var. Ashe, 1. c). has fruit 

 as large or larger than in the type and often somewhat oblong, an even 



*Carija ovata nutaUii Sarg. T. & S. 2: 208. 1913. 



