574 
JOURNAL OF: SCIENCE. 
3. Sisymbrium thaliana, Hook.—Grant’s Braes, near Dunedin. 
Lepidium ruderale, L. Both species occur in the ee 
Lepidium campestre, Br. \ hood of Dunedin. 
The species originally mentioned by me in Vol. VII. was the true 
L. campestre. 
4, Reseda luteola, L.—Taieri Plain, in swampy ground between 
or Hoof (Ear) 
10. 
11; 
Greytown and Outram. 
Silene anglica, L.—Both varieties of this species, viz., S. gallica, 
Koch, and S. guinguevulnera, L., occur in the neighbour- 
hood of Dunedin. 
Stellaria graminea, L.—Very common on Pine Hill near 
Dunedin, and in parts of the Taieri Plain. 
Sagina procumbens, L.—Common. 
. Cerastium arvense, L.—In the Taieri Plain along with Reseda 
luteola. 
Polycarpon tetraphyllum, L.—Common from Purakanui to the 
North Head, Otago Harbour. 
. Geranium robertianum, L.—Fulton’s Bush, West Taieri. 
. Trifolium minus, 8m.—About Dunedin. 
. Scandix Pecten-veneris, L.—-Anderson’s Bay, near Dunedin. 
. Galium aparine, L.—Increasing about Dunedin. 
Madia sativa, DC. var. viscosa, Car.—Common to the north of 
Invercargill. 
Centaurea solstitialis, L..—Waste ground in the Clutha valley. 
Carduus arvensis, Curtis.—Becoming a dangerous pest in many 
parts, particularly in the deep soil of the Taieri Plain. 
Erythrea centaurium, Pers.; var. pulchella, Fries.—In the 
neighbourhood of Dunedin. 
. Borago officinalis, L.—Otago Peninsula. 
. Verbascum blattaria, L.—West Taieri Plain. 
Veronica buxbaumiu, Ten.—Port Chalmers. 
Euphorbia helioscopia, L.—Anderson’s Bay, near Dunedin. 
. Aira flecuosa, L. 
. Avena elatior, L. 
. Briza media, L. 
. Bromus erectus, Huds. 
. Bromus mollis, L. 
These grasses occur, but very sparingly, 
in the neighbourhood of Dunedin. 
Cynosurus cristatus, L.—Becoming very common. 
—Gero. M. THomson. 
MosQuiToEs versus Trout.—The following interesting note appears 
in “Science” of Sept. 4th, in the form of a letter from Mr. C. H 
Minay to Professor Baird:—“In the middle or latter part of June,+—l 
think it was,—in 1882, I was prospecting on the head-waters of the 
Tumiche Creek in the Gunnison Valley, Col. About nine o’clock in 
the morning, I sat down in the shade of some willows that skirted a 
