sues and Seeds 12-16 VI

Wood 17 VII

Bark 18

PART 2 CLASSIFICATION OF THE SPECIES 22

Sections, subsections and groups 25

Section Haploxylon 26

Subsection Cembra 26

Group Cembrae 26

Pinus Koraiensis, Cembra, Albicaulis 26, 27 VIII

Group Flexiles 28

Pinus Flexilis, Armandi 28, 30 IX

Group Strobi 30

Pinus Ayacahuite, Lambertiana 30, 32 X

Parviflora, Peuce, Excelsa 32, 34 XI

Monticola, Strobus 34, 36 XII

Subsection Paracembra 36

Group Cembroides 38

Pinus Cembroides, Pinceana, Nelsonii 38, 40 XIII

Group Gerardianae 40

Pinus Bungeana, Gerardiana 40, 42 XIV

Group Balfourianae 42

Pinus Balfouriana, Aristata 42, 44 XV

Section Diploxylon 44

Subsection Parapinaster 44

Group Leiophyllae 44

Pinus Leiophylla, Lumholtzii 44, 46 XVI

Group Longifoliae 46

Pinus Longifolia, Canariensis 46, 48 XVII

Group Pineae 48

Pinus Pinea 48 XVIII

Subsection Pinaster 50

Group Laricionea 51

Pinus Resinosa, Tropicalis 51, 52 XIX

Massoniana, Densiflora 52 XX

Sylvestris, Montana 54 XXI

Luchuensis, Thunbergii, Nigra 56, 58 XXII

Merkusii, Sinensis, Insu