76 INDEX TO AMERICAN BOTANICAL LITERATURE 
Matz, J. El mal del guineo. Puerto Rico Dept. Agric. y Trab. 
Circ. 25: 1-7. My 1920. 
Merrill, E. D. On the identity of Aegiphila viburnifolia Jussieu. 
Philipp. Jour. Sci. 16: 449-451. My 1920. 
Murrill, W. A. Botanizing at Blacksburg, Virginia. Jour. New York 
Bot Gard. 53: 191-193. O 1920. 
Nash,G.V. Clethra barbinervis. Addisonia§: 41. pl. r8r. 30S 1920. 
Nash, G. V. Crataegus Phaenopyrum. Addisonia 5: 33. pl. 177: 
30 S 1920. 
Nash,G.V. Solidago rugosa. Addisonia §: 43, 44. pl. 182. 30S 1920. 
Nash, G. V. Stephanandra Tanakae. Addisonia. §: pl. 179. 30 S 
1920. 
Nash, G. V. Viburnum Sieboldii. Addisonia 5: 35-36. pl. 178. 
30 S 1920. 
Nichols, G. E. The vegetation of Connecticut—VIII. Bull. Torrey 
Club 47: 511-548. f. I-10. 24 N 1920 
Phipps, W. H. Effect of pollenation on the life of flowers. Flower 
Grower 7: 182. N 1920. 
Record, S. J. Scented woods. Am. For. 26: 665-672. N 1920. 
Reed, H. S. Slow and rapid growth. Am. Jour. Bot. 7: 327-332. 
jf. 1-2. 5 N 1920. 
St. John, H. A teratological specimen of Aralia hispida.. Rhodora 
22: 152-153. 29 0 1920. 
Saunders, E.R. Heredity. Sci. Monthly rr: 435-440. N 1920. 
Sharp, L.W. Somatic chromosomes in Tradescantia. _Am. Jour. Bot. 
7: 341-354. pl. 22, 23. 5 N 1920. 
J. K. Grossularia curvata. Addisonia 5: 47, 48. pl. 184. 
30 S 1920. 
Smith, A. .A lesson on plant physiology and the plant in relation to its 
environment. Gard. Chron. Am. 24: 376-379. N 1930. 
Sprague, T. A. Stellaria or Alsine. Kew Bull. Misc. Inform. 1920: 
308-318. 1920. 
Stakman, L. J. A Helminthosporium disease of wheat and rye. Univ. 
Minnesota Agr. Exp. Sta. Bull. 191: 1-18. pl. I-5. JL 1920. 
Stevens, F. L., Pammel, L. H., & Cook, M.T. Byron David Halsted. 
Am. Jour. Bot. 7: 305-317. pl. 19. §N 1920. 
Sturtevant, R. S. Irises from Japan. Brooklyn Bot. Gard. Record 9: 
ei 
II5-I1g. 1920. . 
