REPORT FOR 1906. 
241 
C. hybridum^ L. Ely, Cambs. (v.-c. 29) Sept. 1891. Leg. W. 
J. Cross. — J. A. Wheldon. 
Roubieva multifida^ Moquin-Tandon. {Chenopodium multifidum^ 
Linn.) Waste ground at the head of Portishead Dock, North 
Somerset, 9th Oct. 1906. This alien has held its ground the last 
two or three years, and produces a good deal of fruit. According to 
Nyman it is doubtfully spontaneous in Portugal, and has been intro- 
duced into France and elsewhere in Southern Europe. Mr. Chas. 
Bailey tells me it is a South American species recorded from Peru, 
Quillota, Buenos Ayres, &c. ; and that he has specimens from 
several French stations about Toulon. There is a description by 
Grenier et Godron, who says of it : “ Commun sur les glacis de 
Toulon ; Soreze ; Montpellier.” The plant is not yet mentioned in 
German books. — James W. White. 
Atriplex tatarica, L. On the waste heaps between Drayton 
and Iver, Bucks. This Central Asian species, which Dunn in ‘ Alien 
Flora’ erroneously states is a native of the Mediterranean coasts, 
was rather plentiful in the above locality. Sept. 1906. It is a late 
flowering species which, according to Nyman, is found in Baden and 
Eastern Europe. — G. Claridge Druce. 
Kochia scoparia, Schrad. On the waste ground near the Rail- 
way Station at Reading, Berks. This native of south -eastern Europe, 
which is also naturalised in France, Spain, &c., is not included in 
Dunn’s ‘ Alien Flora.’ It has also been noticed on the rubbish 
heaps near Slough, Bucks., Aug. 1906. — G. Claridge Druce. 
Polygonum aviculare, L., var. Reference No. 3130. Sandy 
coast near Dunster, v.-c. 5, S. Somerset ; associated with P, Rail, 
Bab., 20th Sept. 1906. This I suspect to be a reduced form or 
state of var., arenastrum (Boreau) ; which occurs not far off, quite 
characteristic. It does not agree at all well with Syme’s description 
of var. microspernumijQrd.). — Edward S. Marshall. — Areriastrum 
I think.”— W. R. L. 
Polygonum sagitfatutn, L. {P. sagittifolium, Colgan and Scully.) 
Near Castle Cove, Kerry, Sept. 1906. I am able by a lucky chance 
to give the history of the introduction of this North American 
prickly Polygonum to Ireland. While driving to Derry nane I gave 
a peasant a lift on my car, who on seeing a plant in my hand, says 
“ Why you have ‘ dada’s weed.’ ” He then in answer to my en- 
quiries informed me that over fifty years ago a small vessel laden 
with Indian corn was wrecked on the adjacent coast. His father-in- 
law, who then had a small mill (all traces of which have now disap- 
peared) about a mile away on the hill-slope, obtained possession of the 
