BOTANY AND PLANT ECONOMICS 91 
The Portean Family {ProteacecBf , " '"-o' ^ - 
Case 51. — Right half. A family of peculiar plants having 
their highest development in Australasia. Their leaves and 
fruits show relationship to the Oaks and Elms though they are 
very characteristic in their differences. Note the peculiar fruits 
of the various species of Banksia, especially those of Banksia, 
serrulata, and observe that the leaves are oak-like, the fruit - 
body chestnut -like, the fruit -cells Hakea-like, and the seeds 
Elm-like. Note the peculiar fruits of the Hake Bushes {Hakea 
sp.)\ the heavy, woody, pear-like fruit of Xylomelum pyriforme 
and its small seed cavity; and the prettily marked wood of the 
Honeysuckle {Banksia integrifolia) . 
The Clove Family {Myrtacece). 
Case 52. — This case is devoted to an exemplification of 
various species of Australian Gum Trees (Eucalyptus) their 
woods, oils, and gums. The woods are hard and enduring, 
coming into many utilizations; their oils medicinal and utilized 
in the arts; and their gums (Kinos) valuable as tanning sub- 
stances. 
The Flax Family (Linacecc). 
Several cases devoted to flax (Linum usitatissimum) , and the 
various utilizations of its bast fiber and seed in the manufacture 
of linen cloth, thread, paper; linseed oil and oil-cake. 
Case 53. — American Homespun Linen. Specimens illus- 
trating the early American home manufacture of linen thread 
and cloth. Note the crude attempt at Damascene. 
Case 54. — Specimens of the principal kinds of linen thread 
of Irish and American manufacture. A series of specimens 
illustrating the manufacture of linseed oil and oil-cake from the 
flax seed. Specimens showing the various types of linen cloths 
and typical linen laces. 
Case 55 . — The table part of this case contains a monographic 
series of specimens descriptive of the process of securing linen 
yarns from flax straw. The upright portion is devoted to pho- 
tographs illustrating the old and the new method of producing 
linen. 
Case 56. — Two spinning wheels. The larger, which is 
known to be over 116 years old, was run by hand power and 
illustrates the older method of spinning with the aid of the dis- 
taff. The smaller one is a more modern, foot -power wheel. 
