parviflora, 8, Map 13 
patula, 20, Map 60 
pentaphylla,see P. parviflora 
peuce, 7, Map 10 
pinaster, 12, Map 30 
pinceana, 9, Map 18 
pinea, 11, Map 25 
pithyusa, see P. brutia 
ponderosa, 16, Map 47 
pringlei, 20, Map 61 
pseudostrobus, 18, Map 52 
pumila, 5, Map 3 (Map 4) 
pungens, 16, Map 43 
quadrifolia, 9, Map 16 
radiata, 19, Map 58 
reflexa, see P. strobiformis 
remorata, see P. muricata 
resinosa, 11, Map 26 
rigida, 15, Map 44 
roxburghii, 11, Map 24a 
rudis, see P. hartwegit 
sabiniana, 18, Map 54 
serotina, 15, Map 44 
sibirica, 5, Map 4 
strobiformis, 7, Map 8 (Map 9) 
strobus, 6, Map 6 
sylvestris, 13, Map 32 
tabulaeformis, 14, Maps 37 and 38 
taeda, 15, Map 41 
taiwanensis, 14, Map 36 
tenuifolia, see P. pseudostrobus 
teocote, 18, Map 53 
thunbergiana, 13, Map 34 
thunbergii, see P. thunbergiana 
yy U. S. GOVERNMENT PRINTING OFFICE: 1965—O 764-741 
torreyana, 18, Map 55 
tropicalis, 11, Map 26 
uncinata, see P. mugo 
virginiana, 19, Map 57 (Map 56) 
wallichiana, see P. griffithii 
wangii, 8, Map 14 
washoensis, 17, Map 48 
yunnanensis, 14, Map 37 
pinyon, 8, Map 17 
pinyon, Martinez, 9, Map 15 
Mexican, 8, Map 15 (Map 17) 
Nelson, 9, Map 18 
Parry, 9, Map 16 
Pince, 9, Map 18 
Postosi, 9, Map 18 
singleleaf, 9, Maps 16 and 17 
