(P. ) I.M.Johnst., I.M.Johnst., (L. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (L. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (L. ), and I.M.Johnst., (P. ), ?Contr. Gray Herb. 85: 108. 1929?, 1929.

(G. ) I.M.Johnst., I.M.Johnst.,, I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (G. ), I.M.Johnst.,, I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (G. ), I.M.Johnst.,, I.M.Johnst., (P. ), and I.M.Johnst., (P. ), ?Contr. Gray Herb. 85: 110. 1929?, 1929.

I.M.Johnst., I.M.Johnst.,, I.M.Johnst., (P. ), I.M.Johnst.,, I.M.Johnst.,, I.M.Johnst., (P. ), I.M.Johnst.,, I.M.Johnst.,, and I.M.Johnst., (P. ), ?Contr. Gray Herb. 85: 107. 1929?, 1929.

(P. ) I.M.Johnst., I.M.Johnst., (P. ), I.M.Johnst., (L. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (L. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), and I.M.Johnst., (L. ), ?Contr. Gray Herb. 85: 111. 1929?, 1929.

(P. ) I.M.Johnst., I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), I.M.Johnst., (P. ), and I.M.Johnst., (P. ), ?Contr. Gray Herb. 85: 109. 1929?, 1929.

I.M.Johnst., I.M.Johnst., (L. ), I.M.Johnst.,, I.M.Johnst.,, I.M.Johnst.,, and I.M.Johnst., (P. ), ?Contr. Gray Herb. 85: 105. 1929?, 1929.

(P. ) I.M.Johnst. and I.M.Johnst., ?Contr. Gray Herb. 85: 112. 1929?, 1929.