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land-area, perhaps united to Antarctica; that at an early date the 
ancestors of the present subantarctic element came in; that later 
there was an invasion of tropical Malayan species, and perhaps 
Ww. B 
also of the Australian element. 
Botanical Magazine.—The following plants were figured in 
the number for October, November and December, 1919:— 
Baikiaea insignis, Benth. (t. 8819), from Tropical West Africa; 
Atraphaxis Billardieri, Jaub. et Spach (t. 8820), a native of Greece 
and the Levant; Primula spicata, Franch. (t. 8821), from Western 
Yunnan; Cotyledon oppositifolia, Ledeb. ex Nordm. (t. 8822), 
from the Caucasus; Huonymus alatus, Regel (t. 8823), a native 
of North-Eastern Asia; Thorncroftia longiflora, N. E. Brown (t. 
wint, Marloth et Berger (t. 8828), from South Africa; and 
Gaultherta cuneata, Bean (t. 8829), a native of estern 
Szechuan. The volume for the year is dedicated to Mr. E. H. 
filson, V.M.H., Assistant Director of the Arnold Arboretum, 
** Whose ardour as an Explorer and judgment as a Collector have 
to our Gardens many Eastern Asiatic plants whose portraits 
embellish the Botanical Magazine.” 
The Dwarf Coconut.—The following note is extracted from an 
convenient to plant the palms 24 ft. by 20 ft., which gave 90 to 
the acre, a number nearly double to that required when planting 
big palms. In the fifth year the trees yielded 30 nuts apiece, so 
that 2,700 nuts would be obtained from trees planted 90 to the 
acre, while in the ninth year, which is the sixth yielding year, 
120 nuts were yielded per tree in full bearing, making 10,8 
nuts per acre or 212 piculs of copra per acre. _ The big coconut 
does not produce till after its fifth year, but in the ninth year 
45 trees per acre would probably yield 40 nuts apiece or 1800 
