JANUARY 1 TO DECEMBER 31, 1950 



247 



Orithogalum sp., 186109. 



Omithopus micranthus, 186371. 



sativus, 186372, 189163, 189164. 

 spp., 187070, 189336. 



Oryza sativa, 185799-185813, 187977- 

 187082, 187084-187097, 187160- 

 187164, 189450-189466, 190119, 

 190120, 190192, 190197-190199, 

 190454-190458, 190610-190624, 



193152-193155, 193175-193177. 



Oryzopsis miliacea, 186334, 187143. 



Osteospermum hispidam, 188997. 



Ottelia ulvifolia, 186543. 



Palm. See Attalea humboldtiana, 

 Butia capitata, Chrysalidocar- 

 pus lutescens, Copernicia suero- 

 ana, Neanthe bella, Phoenix 

 spp., Pritchardia loivreyana, 

 Raphia taedigera. 

 African oil. See Elaeis guineen- 



sis. 

 eohune. See Attalea eohune. 

 Pahvan. See Andropogon annulatus. 

 Panicum coloratum, 188931, 188932. 

 longijubatum, 189614. 

 makarikariense, 189337. 

 maximum, 186120, 189535, 189615, 



190325, 192962. 

 stapiianum, 190326, 190327. 

 virgatum, 186882-186886, 187864- 



188003. 

 spp., 189338, 189616, 190328. 

 Papaya. See Carica papaya. 

 Pappophorum sp., 190591. 

 Partridgepea. See Cassia fasciadata. 

 Paspahtm dilatatum, 193055. 

 fioridanum, 188202, 188203. 

 scrobiculatum, 189339. 

 stramineum, 186887, 186888, 



188204. 

 spp., 188205, 188206, 189340, 

 189341. 

 Passifiora quadrangularis, 190402. 

 Pea. See Pisum sativum. 

 Peach. See Primus persica. 

 Peanut. See Arachis hypogaea. 

 Pear. See Pyrus communis. 



almond. See P. amygdaliformis. 

 Pelargonium bowkeri, 189585. 

 iriste, 190283. 

 sp., 193235. 

 Pennisetum ciliare, 189342. 

 clandestinum, 190177. 

 hordeoides, 189344. 

 natalense, 190329. 

 pedicellatum, 186337, 189345, 



189346. 

 polystachion, 189347. 

 setosum-, 190103. 

 sjricatum, 186336, 186338, 186978, 



189343. 

 unisetum, 189036. 

 spp., 190330, 190592. 



Peperomia sp., 189511. 

 Pepper, black. See Piper nigrum. 

 Peppermint. See Mentha, piperita. 

 Peppertree, California. See Schinus 



molle. 

 Periploca sp., 186531. 

 Peristeria elata, 190018. 

 Petalostemum spp., 188252-199255. 

 Phalaris angusta, 186339. 

 canariensis, 189547. 

 tuberosa, 193056. 

 Phaseolus aureus, 186447, 188687. 

 calcaratus, 186341. 

 caracalla, 188889, 188890. 

 lunatus, 186340, 186979-186985, 

 188696, 188697, 189010, 189070- 

 189074, 189348, 189403. 

 speciosus, 188898. 

 vulgaris, 186439, 186491-186506, 

 186627, 186986-186988, 187240- 

 187249, 188545-188555, 189001, 

 189011-189023, 189075-189077, 



189165, 189227, 189228, 189349- 

 189361, 189404-189415, 189554, 

 189563-189568, 190069-190080, 

 190113, 193006-193008, 193045. 



spp., 186448, 186449, 186507, 

 186508, 188891. 

 Phleum phleoides, 186342. 



pratense, 186889-186891, 187223, 

 187280-187282, 187303, 188207, 

 188734, 188902, 188958-188963, 



189166, 189244-189246, 189287- 

 189291, 189610, 190121, 190122. 



Phoenix spp., 186989, 186990. 

 Phormium tenax, 188683, 188907, 



189444, 192982. 

 Phytolacca abyssinica, 187061. 

 Pigeonpea. See Cajanus cajan. 

 Pine, cluster. See Pinus jrinaster. 



Norfolk Island. See Araucaria 

 excelsa. 

 Pinus pinaster, 193149. 

 Piper nigrum, 187122, 188488, 188738, 

 189196, 189223, 190861, 193021, 

 193022. 

 sp., 189224. 

 Pisum sativum, 186272, 187250-187268, 

 188698, 189078, 189167-189171, 

 190240-190244. 

 Plagiochloa oblitera, 188933. 

 Plantago psyllium, 186575, 190102. 

 Platanus wrightii, 190181. 

 Plum. See Prunus domestica. 

 Plumeria sp., 189519. 

 Poa anceps, 190634, 192927. 

 australis, 190635, 192928. 

 bulbosa, 189362, 189971, 193270. 

 compressa, 188964, 188965. 

 glaucifolm, 186892, 186893. 

 juncifolia, 186894-186896. 

 lanigera, 189448. 



