152 
M. E. Peck, Proc. Ia. Acad. Sci. 12: 194. 1905. (Mostly on high rocky banks of 
iver, Hardin Co.) 
MN im Geol. Surv. 16: 154, 165. 1906. (Rocky slopes, etc., Winneshiek Co.) 
KANSAS 
S. C. Mason, Garden and Forest 3: 583. 1890. (General) 8th Bien. Rep. Kan. 
State Bd. Agric. 273. 1893. (Rocky limestone bluff. 
A. S. Hitchcock, Trans. Acad. Sci. St. Louis 8: бт. 1898. CH hills.) 
R. S. Kellogg, U. S. Forest Service Bull. 66: 12, 18-20, 23-25,34. 1905. (Western 
portion.) 
KENTUCKY 
Shaler, Repts. of Progress Geol. Surv. Ky. (n. s.) сй тәк 435, = 1879. 
Г. Н. DeFriese, ibid. 5: 61, 293, 310, 313, 321. 18 
W. M. йун ibid. 5: 356, 365. 1880; Rep. on poi tany of binis: Lincoln, 
?). 
Н. A. Evans, Bo I4: 311, 314. 1889. (Limes 
Rice & Geib, Field Operations U. S. Bureau of Soils 1904: 538. (Limestone areas, 
Warren Co.) 
LOUISIANA 
Hilgard, Soils 512. 1906. (Calcareous areas.) 
MARYLAND 
Shreve, Chrysler & oe Plant Life of Md. 144, 155, 161, 1 vi rae 202, 214, 
252, 393. 1910. (Shores, fence-rows, serpentine barrens, cliffs, 
MASSACHUSETTS 
Emerson, Rep. on Trees and Shrubs of Mass. 102. 1846. (General.) 
Blankinship, Rhodora 5: 128. 1903. (Hill-top barrens 
Sears, Geol. Essex Co. 39, 40. 1906. (On diorite, augite-syenite, and lime-slate, 
never on hornblende micum ^ 
Bicknell, Bull. Torr. Club 35: 58. 1908. (Nantucket.) 
F. S. Collins, Rhodora 12: 9. тото. (Cape Cod.) 
MICHIGAN 
Emma J. Cole, Grand Rapids Flora 7. тоо 
Beal, Rep. Mich. Acad. Sci. 5: 40. 1904. оа 
Е. В. Н. Brown, Bot. Gaz. 40: 275, 276, 279, 282. 1905. 
C. A. Davis, Rep. Geol. Surv. Mich. 1906: 151. 1907. (Bottom of a lake dry for a 
Wo Я 
MINNESOTA 
Upham, Rep. Geol. & Nat. Hist. Surv. Minn. 12*: 134. 1884. (General.) 
W. A. Wheeler, Minn. Bot. Stud. 2: 366, 372. 1900. (Dry bluffs, S.E. portion.) 
MISSISSIPPI 
Hilgard, Geol. & Agric. Miss. 373. 1860. (Shell hammocks on coast.) Tenth 
Census 17.5.5: 215. 1884(?). (Cretaceous prairie region.) Soils 490, 491, 
499, 505. 1906. (Calcareous r 
Lloyd & Tracy, Bull. Torr. Club 28: 84. тоот. (Cat Island.) 
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