154 
Harshberger, Bull. Torr. Club 31:143, 145. 1904. (Rocky places in S.E. portion.) 
Wilder & others, Field Operations U. S. Bureau of Soils 1905: 149. (Serpentine 
barrens, Chester Co.) 
kd Ann. Carnegie Mus. 5: 302, 319-321, 323, 334. 336. 341, 403. 1909. 
of Lake Eri 
Harber, ps Torr. бы, 36: 653, 656, 663, 664, 668, 670. 1909. (Nocka- 
on yum ) 
Pe d. 55 cad. Nat. Sci. Phila. 1910: 546, 550. (Serpentine barrens.) 
Harshberger, ‚о Surv. N. A. 468, 470, 474, 502. IQI 
SouTH CAROLINA 
Coker, Torreya 5: 141-144. 1905. (Isle of Palms.) 
TENNESSEE 
ona Am. gin Sci. 62: 354, 357, with plate. 1851. Roepe Geol. 
, 106, 107, 233, 234, 245, 260, 262, 263, 266, 1869. 
окига Introd. Resources of Tenn. 36, 74-75, = Hia 7, 639, 818-819, 
830, 833, 975, 993, 1009-1010. 1874. 
Safford, Tenth Census U. S. 5: 400-401, 405, 455, 456, 458, 459, 461. 1884. 
(Ced i 
Sargent, Tenth Census U. S. 9: 544. 1884. (Cedar-glades of Middle Tenn.) 
Sudworth & Killebrew, Forests of Tenn. 6-7. 1897. (Middle T 
Mohr, U. S. Forestry Bull. 31: 13-14. 1901. (Middle Tenn.) 
ee Fl. Tenn. (ed. 2), 22, а тоот. (Cedar-glades mostly.) 
yrs & Gray, Field Operations U. S. Bureau of Soils 1907: 788-789. (Cedar- 
glades Co.) 
R. C. Hall, Tenn. Geol. Surv. Bull. 10À: 28, 29, 36. 1910. (General.) 
ТЕхА5 
Bray, U. S. Forestry Bull. 47: 54. 1904. 
VERMONT 
. Clark, Vt. Exp. Sta. Bull. 73: 45-46. 1899. (Dry Ee hills.) 
Cei Jones & Eggleston, Fl. Vt. 5. 1900. (Dry rocky h 
VIRGINIA 
Kearney, Contr. U. S. Nat. Herb. 5: 378, 405, 407. тоот. (Dunes, bluffs, and 
roadsides in S.E. portion.) 
Harshberger, Forest Leaves 9: 44. 1903. (Edge of gorge at Natural Bridge.) 
WISCONSIN 
Pammel, Garden and Forest 4: 532. 1891. (Sandy bottoms, limestone rocks, etc.) 
А 
