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KOTE SUR LA FA.MILLE DES EQUISETACEES. 337
strophiola conspicua cerina medio perforata, marginibus iu annulum ob-
longum funiculum brunneum spiniformem legumini arete adhjerentem
amplectantem elevatis."
In this plant the racemes are frequently so abbreviated that the
purplish-pink flowers arise at the same level from the clavate or globu-
lar node-like termination of the branch, a mode of inflorescence precisely
similar, though on a smaller scale, to that of Canavalia. When
this character and that of the presence of stipella;, before indicated by
me, are taken into consideration, it will, I think, be admitted that
Ahrus would be better removed from Viciece, where Mr. Bentham has
placed it in the ' Genera,' to Phaseolece, with which it was associated by
De Candolle, and Wight and Ai'nott. A. Cantoniensis diifers from its
congeners by the conspicuously strophiolate seeds ; but that this cha-
racter is only of secondary importance, may be inferred from the fact that
Rhynchosia, another Phaseoleous genus, includes species some of which
have seeds with a caruncula, whilst others are destitute of that appen-
dage.
•O'-
AIRA ULIGINOSA, WeiU.
Erratum, p. 281.—By an awkward inadvertence on my part, the
name of Aira Jlexuosa was written for the head-title of my communica-
tion about A. uUginosa. As the two specific names are rightly applied
in the general text, and even the right authority given for the name in
the head-title {Weihe, not Linn.), a botanical reader will easily infer
that "Jtexuom " was simply an error of the pen.
Hewett C. Watson.
NEW BRITISH PLANT.
Hleracium stoloniflorum, Waldst. et Kit., has been found by Pro-
fessor Balfour and Mr. J. Sadler growing in great profusion on the
Grantou Railway banks, on Saturday, 16th October, 1869.
NOTE SUR LA FAMILLE DES EQUISETACEES.
Par M. Eugene Coemans.
1. Les genres Calamites, Amivlaria et Sphenophyllum possedent,
tous trois, non-seulement des minces, mais aussi de grosses branches
ou tiges.