JANUARY 1, 
Plantain, flaxseed. See Plantago 
psyllium. 
Plectranthus marrubioides, 277423. 
purpuratus, 275926. 
Pleomele cylindrica, 276933. 
Plum, common. See Prunus domes- 
tica, P. (hybrid). 
Poa nemoralis, 274911. 
palustris, 272124, 274644. 
pratensis, 272125, 274645-274648. | 
Podocarpus falcatus, 275613. 
macrophylla, 272299. 
Podocarpus, yew. 
macrophylla. 
Polygonum sp., 276090. 
Polypodium vulgare, 276188—276190. 
Polytoca sp., 271604. 
Poncirus trifoliata, 273562, 275400, 
275531. 
Portiatree. See Thespesia populnea. 
Potato. See Solanum tuberosum. 
Potentilla fruticosa, 273237. 
fruticosa var. leucantha, 275025. 
Prickly-ash. See Zanthoxylum spp.* 
Japanese. See Z. piperitum. 
Protea amplexicaulis, 275467. 
aristata, 273814. 
barbigera, 271288, 274396. 
compacta, 274397. 
cynaroides, 275468, 275949. 
grandiflora, 274398, 275469. 
lacticolor, 273815. 
latifolia, 273816, 274399. 
marginata, 273817, 274400. 
mellifera, 273818—-273820, 274401. | 
neriifolia, 275614. 
sp., 273821, 275950, 275951. 
Prunus (hybrid) , 275383. 
amygdalus, 272104—272107, 
273682. 
armeniaca, 271809, 271810, 
277081-—277083. 
avium, 271092, 276338, 276347-_ 
276350. 
domestica, 271428. 
meisa var. yamadei, 275024. 
lannesiana var. speciosa, 275454. 
laurocerasus, 274591. 
persica, 270597, 270760, 274256- 
274259, 276181, 276284—276287, | 
211102; 2777908. 
serrulata, 276136—276140. 
texana, 274838. 
tomentosa, 275863. 
verecunda, 275864. 
sp., 274990, 276165, 
277101. 
Pseuderanthemum seticalyx, 275927. 
Pseudoeriosema borianii, 272100. 
Pseudosasa japonica, 275078. 
Pseudotsuga menziesti, 274146. 
Psoralea bituminosa, 272016. 
caffra, 275615. 
1961 TO DECEMBER 31, 
See Podocarpus | 
| Ragi. 
277100, 
1961 311 
Psoralea bituminosa—Continued 
spicata, 273550. 
sp., 275355, 275616. 
Ptelea trifoliata, 273570, 
273622, 274386, 275302. 
| Pterocephalus sp., 274991. 
|'Pumpkin. See Cucurbita pepo. 
|Pyracantha (hybrids), 271307, 271680, 
271838, 274413. 
atalantioides, 273624. 
coccinea, 277656. 
coccinea var. lelandei, 277724. 
| crenulata, 274067. 
Pyrus communis, 271658, 275384, 
| 2IGAYA. 2IGAT 2. 21 G6D24276715— 
276717, 276764, 277420, 277525- 
| 277529. 
| nivalis, 271031. 
| pyrifolia, 276897. 
| Spy. <271oIgs 271513; 
| PAP TAD Ts 
| Quercus acuta, 274540. 
| xX ludoviciana, 277777. 
myrsinifolia, 275041. 
petraea, 272068-272072. 
| robur, 272073, 272074. 
Quince. See Cydonia oblonga. 
Radish. See Raphanus sativus. 
See Hleusine coracana. 
'Raisin-tree. See Hovenia dulcis. 
‘Rape. See Brassica napus. 
bird. See B. campestris. 
Raphanus raphanistrum, 
271456. 
sativus, 271046, 271459, 271514- 
271518. 
_Raphiolepis umbellata, 277653, 277664. 
|Raspberry, red, common. See Rubus 
| tdaeus var. strigosus. 
|Redpepper. See Capsicum frutescens. 
'Redtop. See Agrostis alba. 
'Restio giganteus, 275547, 275617. 
sp., 273551. 
_Retinospora, Sawara. 
| paris pisifera. 
Rhigozum obovatum, 275618. 
Rhododendron, Dahurian. See Fho- 
dodendron dauricum. 
leatherleaf. See R. metternichiu. 
| Pontic. See R. ponticum. 
Rhododendron (hybrids), 273265- 
| 273267, 274705-274725, 274726— 
274735, 274872, 274873. 
albrechtw, 276091. 
austrokiusianum, 274541. 
xX balsamaeflorum, 273268. 
farrerae, 276257. 
dauricum, 276092. 
degronianum, 275059. 
degronianum  f. 
277665. 
fauriae, 272056. 
indicum, 276288. 
273573, 
277102—- 
271451, 
See Chamaecy- 
spontaneum, 
