SHORT NOTES 351 
89 . 
Welwitschii Hiern (Welw. Cat. i. 677 (1898)), on the ground that the 
ormer is ‘‘ name only’’; but this is not so, as Mr. Schlechter cites 
Ectadiopsis myrtifolia Baill. as a synonym, and his name is clearly 
the earliest under the genus. On the other iors Mr. Brown super- 
sedes the well-known name Pentatropis spiralis by ** P, cynanchoides 
R. Br. in Salt, Voy. Abyss. Append. Ixiv.,’’ scam is certainly a 
nomen nudum, and as such has no claims to recognition. me riage 
stitution of a new combination—Asclepias niches N.E 
in place of 4. dolibioalite Schlechter, can only be > assnads on ‘the 
principle of maintaining the oldest specific name, which, so far as 
I have observed, is not adopted anywhere else in the mono raph 
and is not in accordance with Kew practice. The Li ga of ee 
nt k 
‘* Benth. ook. f.”” for combinations which — ey n made 
now, we think, pretty omer abandoned : ahr fifa should 
stand as of Schinz in Verhl. Bot. Brandenb. xxx , unless his 
A, Buchenaviana of even date, reduced by Mr. Brown to a variety, 
be adopted for the species 
The fact that these few criticisms are all that Mr. Brown’s 
work suggests is the best testimony to its excellence. 
SHORT NOTES. 
Cuan 14 Atarrm Jonss. In tHE Brrrisn Istxs.—Specimens 
of this plant 1 were obtained at Posushs Co. Antrim, on Aug. 12th, 
1904, growing on the lamina of Alaria esculenta. onosporangia 
occurred plentifully on all the plants, but neither antheridia nor 
cystocarps were ete d. The species be ae described by Helgi 
esculenta ag re ae ~ elise na ap; filaments oes =e of a 
beautiful rose-colour, growing out of a single basal cell ; filaments 
naked below, higher up bearing branches which are opposite, alter- 
primary ne opposite, and in the last cell terminal, 17-22 y long, 
10-11 » thick. Sporangia i in August.” The specimens obtained 
follows :—Height of plants, :-42--70 mm. ; sporangia, 14 p-18- 
long, 9°3 ps “11-2, thick ; lower eateee 8:4 -11°2 » thick ; upper 
