INDEX. 



295 



Pithecolobium, Martin 183 



P. Ungnis-Cati, Benth 183 



Inga Unguis- Cati, Wilkl. 

 P. Guadalupense^ Nutt. 



Plane Tree, American 185 



Plane Tree, Oriental ,. 185 



Planera aquatica, Gmel 183 



P. Gmelini, L. C. Rich. 

 P. ulmifolia, Miclix. 

 Anonymos aquaiica^ Walt. 



Planer Tree 183 



Planer Tree, Caucasian 184 



Plantanus, Tour 184 



P. acerfolia... 185 



P. asplenifolia 185 



P. liriodenclri folia 185 



P. Orientalis, Linn 185 



P. occidentalis, L 184 



P. qiiinquelobata 185 



P. racemosa, Nntt 185 



P. Wriglitii, Watson 185 



Plum 192 



Beacli 193 



California 195 



Chickasaw 192 



Evergreen 193 



Wild 192 



Podocarpus Japonica 236 



Podocarpus, South American. ... .. 236 



Poison Dogwood 211 



Ivy 211 



Oak 210,211 



Sumach 211 



Wood 220 



Poplar, Balsam 186 



Black 189 



Carolina 187 



Crisp-leaved or curled-leaved. . 189 



Downy-leaved , 187 



Lombardy 189 



Silver 189 



Weeping 189 



Willow-leaved 186 



Populus, Tour 185 



P. alba, Linn 189 



P. angusti folia, James 186 



P. Canadensis^ var. angustifoUa, 



Wcsmael. 

 P. balsamifera, var. angustifolia, 

 Watson, 



P. balsamifera. Linn 186 



V^ar. candicans^ Gray, 



P. dilatata, Tour 189 



P. fastigiata, Desf. 189 



P. nigra, Catpsb. 



P. macro j)hylla^ Lindl. 



P. Ontariensis, Desf. 



P. suaveoleiis^ Fischer. 

 P. Freraontii, Watson 187 



P. monilifera, Newberry. 



P. monilifera. 



Var. Wis'lizeni, Watson. 



P. grandidentata, Michx 187 



P. heterophylla, Linn 187 



P. argentea, Michx. 



P. heteropliylla, var. argentea, Wcs- 

 mael. 



P. cordifdia^ Burgsd. 



P. monilifera, Ait 187 



P. angidata. Ait. 



P. angidata, Michx. 



P. Canadensis, Desf. 



P. Marylandica, Bosc. 



P. IcEvigaia, Willd. 



P. glandulosa, Moench. 



P. nigra, Linn 189 



P. tremuloides. Michx 188 



P. grcEca, ^Villd. 



P. henzoifera^ Tausch. 



P. Suaveolens, Kegel 189 



P. trichocarpa, Torr. and Gray 18S 



P. balsamifera, var. Hook. 



P. balsamifera, var. Watson. 

 Porliera angustifolia. Gray 284 



Giiiacum aiiguslifoliiim, Engelm. 



Preparins^ a Seed-bed 28 



Preservation of Forests 78 



Prickly Ash 231 



Pride of India 172 



Propagation by Layering 55 



Prosopis, Linn 189 



P. julitlora, DC 190 



Algarobia glandiilosa^ Torr. & Gray. 



P. pnbescens, Benth 190 



* Strombocarpa jVAbescens, Gray. 



Pruning Evergreens 70 



Pruning of Forest Trees 67 



Prunus Americana, Marshall 192 



P. Anderson!, Gray 192 



P. Caroliniana, Ait 192 



Cerasiis Caroliniana^ Michx. 

 P. Chicasa, Michx 192 



Ce?'asus Chicasa^ Sering. 



P. demissa, Walpers 192 



P. emarginata, Walpers 193 



Var. mollis. Brewer. 



P. mollis, Walpers. 



Cerasus mollis, Dougl. 



C. glandulosiis, Kellogg. 

 P. fasciculata. Gray 193 



Emiileclodadas faciculatus^ Torr. 

 P. illicifolia, Walpers 193 



Cerasus ilUcifolius, Nutt. 

 P. maritima, Wangr 193 



P. littorallis, Bigelow. 



P.pygmcea, Willd. 

 P. Pen n sylvan ica 194 



Cerasus borealis, Michx. 



Cerasus Pennsylvanica^ Soring. 

 P. pumila, Linn , .. 195 



Cerasus pumila, Michx. 



C. glauca, Moench. 

 P. serolina, Ehr , 195 



Cerasus Virginian a, Michx. 



Cerasus serotina, Loisel. 



P. Virginiana, Mill. 



P. car'lUagenea, Lehm. 



P. subcordata, Benth 195 



P. umbellata, Elliott 195 



Pseudotsuga Donglasii, Carrierc... 254, 



P. Douglasii, Sabine. 



Abies bovglasii, Dougl. 



Tsuga Douglasii, Carrierc. 



Var. macrocarpa, Engelm. 



Abies macrocarpa^ Vasey. 



