THE BOTANY OF WESTERN AUSTRALIA. 249 
many plants have been added. A Hypocalymma grows on Congineerup, 
in the woods at the east end of the mountain, a faithful drawing of 
which, leaves, flowers, and branches, might very well pass for the 
broad-leaved Italian myrtle. "There is also a beautiful purple species of 
the Cardiomyrtus-section of this genus, which I observed on all the 
Toolbranup hills. o Rutacee, especially to the genus Boronia, I 
have added several beautiful plants. In the swamps behind Cheyne’s 
Beach I observed a pinnate-leaved, black-flowered Boronia—a remark- 
able plant; it grows four or five feet, with drooping branches; the 
corollas are yellow inside, but the yellow is not seen unless the branches 
are turned up; the flowers appear quite black; the anthers are smaller, 
and, I think, fewer in number than is usual in Boronia, and concealed 
by the projecting umbrella-like stigma; the plant has but little of the 
diosmaceous scent of Boronia, and the flowers are very fragrant in the 
night-time. A pinnate-leaved Boronia, with yellow flowers inside 
and out, and all the usual characters of the genus, is seen on the 
side of the path from Cape Riche to K. G. Sound; a fine pinnate- 
leaved species with large rose-coloured flowers, grows on most of the 
Toolbranup hills ; and one with trifid, very minute leaves; together 
with a very small entire-leaved species, perhaps the B. tenuifolia of 
of the Plante Preissianz, grows with it. The beautiful blue-flowered - 
Eriostemon nodiflorum, found here, is a different species from our Swan 
River Æ. nodiflorum, which has white flowers, more or less tinged with 
rose colour, and a different habit; it grows also in a very different 
situation, in the beds of stony brooks. The beautiful rose-coloured, 
sweet-scented Hibiscus of Cape Riche, is a very different plant from H. 
Hugelii ; and is quite distinct from H. Pinonianus, which grows with it, 
and bears purple flowers. I found a pretty white-flowering dicecious mal- 
vaceous plant, remarkable for having the male flowers much larger than 
the female; the plant is very rare on the right bank of the Salt River, 
just by the second crossing-place from Cape Riche to the sandal-wood 
stations. In regard to Hpacridee, I have added many species of a new 
genus to this order; I found two on Congineerup. The plants are of 
robust habit, and bear their flowers in the cone-like terminations of the 
branches; these all become white at the time of flowering, with the 
exception of the points of the leaves, in the axils of which the flowers 
are borne: these retain their green colour. From this colouring of the 
cones at the time of flowering, these plants are showy, as well as 
VOL. I. TRO 
