Welwitschia. | WELWITSCHIACE& (Pearson). 3 
of not less than 2,500 square miles where the gravelly surface of the ground, 
up hill and down dale, is covered with the plant, in some places in such pro 
fusion that it was impossible to find an opening through which to pilot the 
e were forced to back ou d mak di rs; some n 
plants 
stretched to a diameter of 16 ft.” (See also Journ. Bot. Soc. 8. Afr., pt. xviii, 4, 
1932.) 
Mr. Worsdell informs us that the plant is fairly common (‘‘ many hundreds ’’) 
in the dried-up bed of a stream and on small granite hillocks about a mile to 
the south of bid Welwitsch henge pangons m; the crown of the stem of the 
largest specimen was nearly 6 ft. in diamete 
Orper CXXVII. A. PODOCARPACEZE. 
(By O. Srapr.) 
Dicecious, very rarely moneecious. Male strobiles mostly catkin- 
sometimes externally only slightly differentiated from the 
vegetative branches, simple or compound, terminal or axillary, 
scales bearing basi-dorsally 2 pollen-sacs, squam 
less differentiated into a claw or stalk and er the Tait large 
and projecting beyond the pollen-sacs, or very much reduced, 
when the scales with their pollen-sacs assume the appearance of 
typical angiospermous stamens; pollen grains mostly winged 
i ] 
exceeding its scale, sometimes long-exserted, rarely quite enclosed. 
Mature strobiles usually little altered or the axis or also the scales 
becoming more or less fleshy. Seeds usually exserted ; seed-shell 
(testa) coriaceous to woody, with or without an outer covering 
(epimatium), which is either free or more or less fused with the testa, 
and varies from membranous to leathery or fleshy. 
Shrubs or trees; leaves usually spirally arranged, quaquaversal or _ 
ventrally onkana : in one plane, scale-like or linear to lanceolate, rarely ovate, 
yee evergreen. 
Genera 7, with about 100 species, mostly in the tropics and the 
acti temperate zone. 
I. PODOCARPUS, L’Hérit.; Benth. et Hook. f. Gen. Pl. ii. 434. 
Dicecious, very rarely monecious. Male strobiles usually axillary, 
variously arra alia: bracteate at the base, sessile or peduncled ; 
scales numerous, spirally arranged, imbricate, with — broad, 
