IN SOUTH AFRICA. 567 
most common mosses on the British (ry We and I gathered also Or- 
thotrichum— ? Hedwigia Humboldtii (?),* Bartramia arcuata (?),* Trichos- 
tomum polyphyllum, Jungermannia euin euca Spr.,. and a species closely 
related to Jungermannia Sphagni. Sticta erocata, o f the. handsomest 
Phascum nervosum on the stiff clay soil at the foot of the Devil's Mountain. 
(D) The following should be added to what I have said of the granite of the 
Cape : 
In the ascent of the Kloof, from the Cape Town side, more than"one dyke 
of some trap rock, much decomposed, and of almost an earthy appearance, 
nite ; very s 
vie dislocated dyke of the same substance is seen in the stee a bank on the 
right hand. It appears as if it were broken across, and the one half moved 
sideways out of the line of the Mir but i pr eritir dei same dirié aui. 
The rock of which this dyke is composed is a greenish black colour, and 
presents an arid of concentric chest concretions, not uncommon 
in the old i igneous roc 
) It is a remarkable circumstance, observed both by Mr. Harvey and 
myself, that no mosses or lichens grow on even the oldest trunks of the 
Silver-tree. 
Along the margins of the little streams which intersect the Flats in va- 
rious directions, and of the valleys or pools, the prevailing shrubs are Cliffortia 
strobilifera, Erica concinna, Psoralea pinnata, Leucadendron floridum R. Br.,a 
Brunia, and one or two species of Rhus. n the dryer deron, ne: is vast 
: muscosa, Cliffortia ternata, C. juniperina, BOR SOMME Staavia ra- 
diata (?), Gnidia—? Mimetes purpurea R. Br., Struthiola erecta, and various 
Restiacee. 
Among the almost innumerable plants of the Cape eet er Gene, de- 
Serve notice for their beauty, rarity, or peculiarity of struct 
Bartholina doter - Hyobanche A puc 
Disa barb, Harveya Capensis. 
- cornuta. Oldenlandia Capensis, var. 
Holothriz Harveyiana (Lindl.) Aristea cyanea. 
— posati m H. A. pusilla. 
Ar t ^ Tr^ D LE ege G 
(near J ov ^d 
xc ciliata: Babiana ringens, 
Lobelia coronopifolia, Prot id. 
L. lutea, P. Sco . 
Villarsia me (in the pools of water.) ; Si ene 
Chironia frutescens, Leucospermum hypophyllum. 
C. linoides. Serruria Burmanni, 
* These two were in a barren state. 
YOL. í. 2-5 
