576 DR. M. T. MASTERS: GENERAL VIEW 
Sect. 10. PrvastEr. Spp. 63-73. 
LI Cones lateral ..... 0... ce cece cee cece eee e neces Lil. 
* )Cones terminal ......... ccc cece cece eee cence LVI]. 
LIL. Cones serotinous ..... Lecce cece e cece eeeteeeuces LI. 
Cones not serotinous ....... 0. cece eee eee eects LY. 
with the branches. Leaves 3-5 cent. 63. divaricata. 
(Banksiana.) 
Cones horizontal or deflexed .......... cee ceceees LIV. 
Cones small, oblong-conic, curved, turned upwards parallel 
vm 
‘Cones oblong, persistent on the old branches; apophyses 
| obscurely 4-sided, ending abruptly in a stout subulate 
LIV.4 umbo. Leaves 10-16 cent. .... 64. muricata. 
* | Cones conic, persistent, often ultimately embedded in the 
| branch; umbo deltoid-subulate. Leaves slender, 5-10 
Lo cent. ooo eee eee e ceca ...... 605. clausa. 
Cones clustered, persistent, 12-18 cent., conic; apophysis 
pyramidal; umbo stout, compressed. Leaves 12-20 cent. 
66. maritima. 
Ly (Pinaster.) 
"1 Cones clustered, persistent, roundish oblong ; apophysis 
tapering gradually into a stout subulate umbo. Leaves 
5-6 cent. Loe. sec eee eee eee 67. pungens. 
Cones not exceeding 10 cent......... bocce eeeeees LVI. 
Cones subsessile in pairs, oblong-conic, 5-7 cent.; mucro 
LVI. subulate. Leaves 5-8 cent. .... 68. virginiana. 
(inops.) 
Mucro minute............. see ee ones beeeeeeeee LVII. 
(Cones 4-5 cent., ovoid or oblong-ovoid. Leaves slender, 
T-Beent. wo. ccc eee eee eee 69. glabra. 
LVII.{ Cones 6-7 cent., solitary, oblong-conic. Leaves slender, 
| 8-10 cent. ..... eee ee eee eee 70. echinata. 
\ (mitis, variabilis.) 
Cones in pairs or solitary, rarely clustered. Leaf-buds 
LVIII. { apiculate. Leaves variable .... 71. Laricio. 
Leaf-buds acute, not apiculate ..........++ee eee LIX. 
Cones 5-7 cent., ovoid-conic. Bud-scales silvery. Leaves 
10-14 cent. ......... cece eee 72, Thunbergiana. 
Cones oblong-conic, 6-7 cent. Bud-scales brown. Leaves 
LIX, 
5-6 cent. wo. ccc cece eee eevee 73. contorta. 
~s sf 
