70 Scientific Intelligence. 
It may be said that this same region used to support millions of 
antelopes; but then, these were always on : e move, in their 
piprenon following the rains and the young fresh ‘herbage 3 
ereas the sheep are kept upon the limited area, where they cause 
as ace destruction by their tread as by eating. The rain-fall is 
said to be affected, becoming more precarious and in thunder 
torrents, and so does not to the same extent soak into the ground, is 
which become weaker and less perennial year after year. More- 
over, the Chrysocoma and other disagreeable Composite, at first 
eschewed by the sheep, but upon which they have to feed from 
necessity, greatly injure the mutton, which tastes and smells of é 
them. Truly was it said by the veteran Fries, that the appointed 
lord of creation is apt to do his utmost to ruin ‘it; that thorns and 
thistles, ill-favored and poisonous plants, mark the track which 
man has traversed through the earth. 
The introduction of sheep into the foot-hills and higher po 
of the Sierra Nevada in California is beginning to make havo 
its proper flora; from which it is not botany only that will sue 
11. The Perigynium and ee Setu in Carex have cae 
been studied in England by Professor McNas and Professor 
Dyer; and the results o an rereatipation of the early develop- 
e 
the seta is proved to be of axial nature; and the perigynium 
answers to a single bract, according to Professor MeNab—of pro- 
bably one or possibly two bracts, according to Professor Dyer. 
. G 
guis 
S. alpina develop their flowers from ge base of the aoe u 
only Palggeadng “ pages and S, obtusa us flowering proceeds 
including Calais (17 species), Ma ria ( 
including Macrorhynchus and Lygodesmia. 
