PLANTS EXOGENAE. 
223 
Utriculus ; perisperm farinaceous ; 
leaves naked at the base CHENQPODEiE. 18, 
Pyxidium 1-celled, 1-seeded; 
styles 3 ; stamens 3 or 5. ... . AMARANTIIACEiE. 17. 
Regma 2 or 3-coccous EUPHORBIACEiE. ID. 
Samara ; stamens 3 to 6 ULMACEiE. 8. 
Drupe ; stamens 8 ............. THYMELEAE. 14?. 
Drupe ; stamens 4? ELAEAGNEAE. 13. 
D. Flowers hermaphrodite ; ovary adherent. 
Stamens hypogynous : drupe P globose 
SANTAL A CEiE. 12. 
Stamens epigynous ; carcerule 6-celled 
ARISTOLOCHLE. 11. 
Fam. I. 1. ABIETIDEAS. 
Flowers unisexual.*— Male. Scales of the anient imbri- 
cate; anthers 1, sessile, 2-celled. — Female. Scales of the 
strobile many, imbricate, 2-flowered; ovaries 2, on the 
axillae of the scales ; style deflexed ; stigina near the base of 
the ovary; nucula 1-celled, winged; kernel pendulous; peri- 
sperm fleshy ; corculum central, straight ; cotyledons many ; 
radicle above. — Trees resinous; leaves biennial, slender, 
acerose, opposite, verftcillate or fascicled. 
Scales of the cone clavate, angular; 
leaves biennial, 2 together Pinus. 1. 
Scales of the cone slender, rounded ; 
leaves biennial, single Abies. 2. 
Scales of the cone slender, rounded ; 
leaves annual, in bundles* Larix. 2. 
Gen. I. 1. PINUS. Pliny. Pine, 
Monoicous. — Male. Ament racemose, compact, termi- 
nal, scaly; stamens 2, on the tip of the scales of the ament; 
anthers 1-celled. — Female. Ament simple, imbricate; scales 
pointed ; ovaries 2 ; stigmata 2, 3-cut ; lobes tailed ; scales 
of the cone oblong, clubbed, woody, imbricate; tip angu- 
lar; nucules 2 on each scale, covered with a membranaceous 
appendage; cotyledons 4? to 8. — Tree; branches verticillate; 
buds large ; leaves biennial, 2 or 3 from the same sheath. 
Pinus sylvestris. Wild pine. 
Leaves in pairs, stiff ; cones generally in pairs, ovate, co- 
nical, acute, as long as the leaves, rounded at bottom ; tips 
of the scales (especially of the lower ones) very pyramidical. 
