240 BOTANY 
New ZEALAND REPRESENTATIVES. 
Manuka already described. 
Rata and pohutukawa (Metrosideros), (Fig. 135) ; 
various myrtles (Myrtus). 
In the ratas the numerous stamens are coloured 
a bright crimson and serve to attract insects. 
INTRODUCED PLANTS. 
Blue-Gum (Hucalyptus globulus) (Fig. 135), native 
of Australia. 
Habit—large tree with thick leathery bark. 
Leaves—both sides the same, hang vertically so that 
only edge exposed to light, which, in Australia is 
intense. 
Flower—Epigynous, sepal-lobes and petals united 
to form operculum or lid which falls off when flower 
opens. Stamens very numerous; carpels usually four, 
united; ovary four-celled with ovules in axile 
placentation. 
Fruit.—a woody four-celled capsule. 
COMMERCIAL PRODUCTS. 
Cloves are the flower buds of eugenia caryophyllata, 
a close relative of our eugenia mare. 
Pimento consists of the unripe dry berries of myrtus 
pimenta. 
Guava is the fruit of psidiwm guyava. 
Brazil nuts are the seeds from the capsule of 
Bertholletia excelsa. 
Bay-rum from pimenta acris. 
Pomegranate.—Punca granatum. 
Eucalyptus yields a valuable oil. 
UMBELLIFER:. 
The Carrot (Daucus carota) (Fig. 136) is a good 
plant to examine. Any of the following, however, 
will, except for slight differences, answer the same 
description: parsley, pasnip, fennel, hemlock, celery. 
