INDEX TO AUTHORS NAMES 



361 



Parker, John H. (Hayes, H. K., Parker, 

 and Carl Kurtzweil) 1776. 



Partridge, N. L. Growth and yield in apple 

 trees. 995. 



Pate, W. F. (Williams, C. B., Pate, et al) 

 2188. 



Patterson, J. T. Polyembryony and sex. 

 1817. Marketing pecans. *1926. 



Patton, R. T. Growth, treatment, and 

 structure of hardwoods. 811, *1070. — 

 Tertiary eucalyptus from Australia. 

 1115. 



Paulson, R., and S. Hastings. Relation 

 of alga and (ungus in lichens. 1994. 



Pavarino, G. L., and G. Castellari. Marsh 

 plants for paper. 2266. 



Pearcy, K. Meeting of Western Walnut 

 Growers' Association. 1927. 



Pearson, Karl. Errors in biometrical for- 

 mulae. 924. 



Pearson, Karl, and Julia Bell. (Rev. by 

 Keith, J. B.) 1785. 



Pearson, W. H. Apolozia Pendletonii Pear- 

 son. 352. — Diplophyllum taxifolium in 

 Westmoreland. 1090. 



Peitersen, A. K. (Brainerd, Ezra, and 

 Peitersen) 259. 



Pellegrin, Francois. Sindora Klaineana 

 Pierre. 530. — New Utricularias from 

 Indo-China. 1471. 



Pellett, Frank C. (Rev. by Stoll, Frank) 

 563.— (Rev. by Anonymous) *1507. 



Pember, F. R. (Hartwell, Burt L., and 

 Pember) 447. 



Pendleton, Isabella. Striking perennial 

 combinations. 1870. 



Pennell, Francis W. Scrophulariaceae of 

 the central Rocky Mountain states. 

 1472. — Soil preferences of Scrophularia- 

 ceae. 2223. 



Pennypacker, J. Y. Variation in beach 

 plum. 925. 



Perkins, H. Z. E. (Kopeloff, N., and Per- 

 kins) 1343. 



Perry, A. S. Pruning pecans. 1928. 



Perry, Margaret C, and G. D. Beal. Pre- 

 servatives inhibiting fermentative pro- 

 cesses. 1377. 



Pershad, B. Ram. (Leake, H. Martin, and 

 Pershad) 1795. 



Fetch, T. Variations in coconuts. *230. 



Peters, R. A. Paramoecium in sterile cul- 

 ture medium. 2156. 



Petersen, Federico. Wheats, Mexico. 639. — 

 Rust resistant wheats. 1164. 



Peterson, E. G., and E. Mohr. Nitrogen 



fixation in Utah soils. *453. 

 Peterson, W. H. (Anderson, J. A., E. B. 



Fred, and Peterson) 420.— (Fred, E. B., 



and Peterson) 2147. 

 Peterson, W. H., and E. B. Fred. Fermen- 

 tation of sugars by Lactobacillus pen- 



toaceticus. *377. — Pentose fermenting 



bacteria. 1346. 

 Pethybridge, F. R. Potato spraying trials 



in the Cambridge Fens. 1244. 

 Peyronel, Beniamino. Blepharospore (Phy- 



tophtora) terrestris on lupine. 2019 — . 



Mycorhiza from Boleti. 2069. 

 Pfeiffer, T. Protection strips for field plots. 



1567. 

 Pfeiffer, T., and A. Rippel. Effect of drouth 



on plants. 2119. — Influence of lime and 



magnesia on plant growth. 2124. 

 Pfeiffer, T., and W. Simmermacher. The 



aversion of lupine to lime. 2125. — In- 

 fluence of stones on plant growth. 2159. 

 Phipps, W. H. Defense of Diener's law of 



hybridizing. 231 — Blending colors in 



flowers. 1818. 

 Pickering, Spencer U. Report of Woburn 



Experimental Farms. 1929. — (Rev. by 



Anonymous) 256. 

 Piedallu, Andr4, Philippe Malvezin, and 



Lucien Grandchamp. Blue cassia of 



wines. *2150. 

 Pierce, G. W. Almond industry. *996. 

 Pierce, Roy G. (Hartley, Carl, Pierce, and 



Glenn G. Hahn) 2066. 

 Pietsch, Albert. Retention of foliage. 140, 



*426. 

 Pilger, R. Mosses of South America. 2224. 

 Pillichody, A. Risoux forest. 812. — Trees 



and wind pressure. 813. 

 Pipal, T. J. Barberry and stem rust of 



wheat. 1245. 

 Piper, Charles V. A study of Allocarya 



1473. 

 Piper, C. v., and H. S. Coe. Rhizoctonia 



in lawns and pastures. 2046. 

 Pitt, J. M. Experiment plots, 1919-20, New 



South Wales. 42.— Millet, New South 



Wales. 640. — Lucerne, New South Wales. 



1568. 

 Pittier, H. Venezuelan mahogany. 1474. 

 Plummer, J. K., and F. A. Wolf. Borax 



injury. 1412. 

 Plymen, F. J. (Clouston, D., and Plymen) 



1540. 



