INDEX TO AMERICAN BOTANICAL LITERATURE 305 
McKee, R. Glandular pubescence in various Medicago species. Jour. 
Am. Soc. Agron. 10: 159-162. Ap 1918 
Merrill, E. D. Alabastra Borneensia. Jour. Straits Branch Roy. 
Assoc. 77: 189-247. 1917 
Forty-eight new species are described. 
Merrill, E. D. An interpretation of Rumphius’s Herbarium Am- 
boinense. 1-595. pl. z, 2. Manila. 1 N 1917. 
Merrill, E. D. New Philippine Melastomataceae. Philip. Jour. Sci. 
12: (Bot.) 337-360. N 1917. 
Twenty-eight new species are described. 
Merrill, J. H., & Melchers, L. E. Insects and slant diseases attacking 
garden crops. Kansas Agr. Exp. Sta. Circ. 65: I-12. Ap 1918. 
Mitchell, J. A. Incense cedar. U.S. Dept. Agr. Bull: 604: 1-40. 
pl. 1-5 +f. 1-4. 16 Mr 1918. 
Morse, A. P. List of the water-color drawings of fungi by George E. 
Morris in the Peabody Museum of Salem. 1-70. Salem. 1918. 
Murphy, P. A., & Wortley, E. J. Determination of the factors inducing 
leaf roll of potatoes particularly in northern climates. (First 
progress report.) Phytopathology 8: 150-154. f.z. 30 Ap 1918. 
Osterhout, W. J. V. A demonstration of photosynthesis. Am. Jour. 
Bot. 5: 105-111. f. 7, 2. 26 Ap 1918. 
Osterhout, W. J. V., & Haas, A. R. C. Dynamical aspects of photo. 
synthesis. Proc. Nat. Acad. Sci. 4: 85-91. 15 Ap 1918. 
Osterhout, W. J. V., & Haas, A.R.C. A simple method of measuring 
photosynthesis. Science II. 47: 420-422. 26 Ap 1918. 
Parish, S. B. Notes on some southern California plants. Bot. Gaz. 
64: 334-343. 15 Ap 1918. 
Pease, V. A. North Pacific coast species of Desmarestia. Puget 
Sound Marine Sta. Publ. 1: 383-394. pl. 83, 84. 28 D 1917. 
Piper, C. V. Cutthroat grass (Panicum Combsii). Jour. Am. Soc. 
Agron. 10: 162-164. Ap 1918. 
Pittier, H. New or noteworthy plants from Colombia and Central 
America—6. Contr. U. S. Nat. Herb. 18: 225-259 + i-x. pl. 106. 
I5S1 
ee he 26 new species in Cowssapoa (2), Cecropia (4), Roupala (3), Schinolobinm 
(2), Terminalia (2), Miconia (1), Mimusops (1), Cordia (7), Adenocalymna (4), an 
several new or imperfectly known species in other genera. 
Rhoads, A. S: Some new or little known hosts for wood-destroying 
fungi—II. Phytopathology 8: 164-167. 30 Ap 1918. 
