152 
simus. Antherae breves, cohaerentes. Ovarium omnino inferum. 
Stylus valde elongatus, pubescens. Stigma stomatomorphum. 
Species corollae forma, imprimis lobis brevissimis inter Achi- 
menis species insignis, Heppiellam revocans, sed antheris cohae- 
rentibus ovarioque omnino infero ab illo genere diversum. 
Specimen unique. Collected by Miguel Bang, the special lo- 
cality not stated. H. H. Russy. 
Botanical Notes. 
Vienna Exchange Office for Cryptogams.—J. Brunnthaler, IV., 
Wiedner Hauptstrasse, 91, Vienna, Austria. 
A circular has just been received, which is printed in German, 
French and English (?) setting forth the rules and regulations of 
this office, which proposes to negotiate sales and exchanges of all 
the cryptogams of the world for the benefit of its members, reserv- 
ing 25% of the specimens for the trouble. The members are re- 
quested to send in their lists of desiderata, and duplicates, before 
the 15th of September, and the valuation of European specimens 
will be made at the office. Foreign specimens must be valued.by 
the sender. All postage is charged to the members’ account. The 
surplus remaining will be sold at prices specified in the annual 
catalogue. E4xB. 
Sisymbrium altissimum .—For first record of this plant in 
Canada (1885) and its subsequent wide distribution, see Macoun 
Cat. Can. Plants, 2: 305 and J. M. Macoun, Contr. Can. Bot. 
3: 146. At Indian Head, Assiniboia, Prof. Macoun called the at- 
tention of the residents to this weed and advised the adoption of 
measures to exterminate it. Nothing was done, however, and at 
that place in 1895, 1,200 acres of it were plowed under. It is the 
worst “tumble weed” in the Canadian Northwest. 
J. W. Macoun. 
Melanthium latifolium longipedicellatum—On the 24th of July, 
1892, I collected at White Sulphur Springs, Va., on a steep wooded 
slope bordering a mountain stream, a specimen in full flower bear- 
ing allthe general characters of Melanthium Jatifolium Desr. The 
plant was over three feet tall, and the inflorescence about one foot 
