PROPAGATION OF TREES AND SHRUBS 53 



Page 



Muscadine, Vitis rofundifolia 41 



Myrica Gale L., sweet gale 27 



Ninebark, Physocarpns opulifolius 3. 28 



Oak, English ; Quercus robur 2>2 



Oak, red ; Quercus borcalis 4, 32 



Orange, Hamlin sweet 9 



Osage-orange, Madura pomifera 8, 26 



Osmanthus iiicif alius ( Hassk. ) Mouillef 27 



Oxydcndrum arborcum ( L. ) DC, sorrel-tree 27 



Pachistima Canbyi Gray 27 



Pachistima Myrsinites Raf 27 



Pachysaiidra terminalis Sieb. & Zucc 27 



Parrotia persica C, A. Mey 27 



Parthcnocissus quinquefolia (L.) Planch., Virginia creeper 27 



Parthcitocissus tncnspidata (Sieb. & Zucc.) Planch., Boston ivy 27 



Passidora raceiuosa Brot., passion-flower 28 



Pear, common -fPyrus communis 4, 32 



Pear, sand ; Pyrus pyrifolia 32 



Pearlbush, Exochorda 20 



Pea-tree, Caragana arborcsceus 4. 15 



Pecan, Carya Pecan 4. 15 



Pepperbush, sweet ; Clcthra ainifolia 4, 17 



Periploca graeca L., silk-vine 28 



Pcriplocd scpium Bge 28 



Philadclphus spp., mock-orange 3, 28 



Philadelphn^s coronarius L 10, 28 



Philadelphus cymosiis Rehd 28 



Philadelphus grandiiiorus Willd 28 



Photinia glabra (Thunb.) Maxim 28 



Pbofinia sarrulata Lindl 28 



Photinia villosa ( Thunb. ) DC 4 



Physocarpus opulifolius (L.) Maxim., ninebark 28 



Picea Abies (L.) Karst., Norway spruce 4, 8, 11, 28 



Picca glauca ( Moench.) Voss. var. conica Rehd 10, 29 



Picea 0))iorika ( Pancic) Purkyne, Serbian spruce 29 



Picca pungcns Engelm., Colorado spruce 7, 29 



Picca sitchciisis (Bong.) Carr., Sitka spruce 29 



Picris floribunda ( Pursh. ) Benth. & Hook 29 



Pieris japonica ( Thunb. ) D. Don 29 



Pine, Austrian ; Pinus nigra 30 



Pine, lace-bark ; Pinus Bnngcana 30 



Pine, Scots ; Pinus syltvestris 30 



Pine, white ; Pinus Strobus 2, 4, 10, 29 



Pinus Bungcana Zucc, lace-bark pine 30 



Pinus nigra Arnold, Austrian pine 30 



Pinus Strobus L., white pine 2, 4, 10, 29 



Pinus sylvestris L. Scots pine 30 



Plum, Prunus 30, 31 



Plum, beach ; Prunus maritima 31 



Plum, cherry ; Prunus cerasifera 4, 6, 30 



Poncirus trifoliata ( L. ) Raf 30 



Poplar, black ; Populus nigra 30 



Poplar, white ; Populus alba 30 



Populus spp 9, 30 



Populus alba L., white poplar 30 



Populus dcltoidcs Marsh., Cottonwood 30 



Populus grandidcntafa Michx., large-toothed aspen 30 



Populus nigra L., black poplar 30 



Populus ircnniloidcs Michx., quaking aspen 30 



Potentilla fruticosa L 4, 30 



Privet, California ; Ligustrum ovalifolium 4, 6, 25 



Privet, Japenese ; Ligustrum japonicum 6, 25 



Prunus cerasifera Ehrh.. cherry plum 30 



Prunus glandulosa Thunb.. dwarf flowering almond 31 



Prunus incisa Thunb - , 31 



