Tne ae Se an et tm 
THE 
JOURNAL OF BOTANY 
BRITISH AND FOREIGN. 
——>———. 
NOTES ON PENICILLUS AND RHIPOCEPHALUS, 
By A. ann E. 8. Gepp. 
(Puare 468.) 
Penicillus is one of the genera of calcified algee which were 
formerly regarded as zoophytes under the name of Corallina. It 
received the name Penicillus from amarck in 1818. Though 
dubbed Nesea by Lamouroux in the preceding year, it had no 
right. to that name; for Nesea was already, and still is, in use- 
for a genus of Lythrariee. Deeaisne in 1842 made the first satis- 
factory attempt to put the genus into systematic order, but retained 
in it the two species which Kiitzing in 1848 separated off under the 
name [hipocephalus. p 
The West Indian region is the headquarters for most of the 
species, and parts of it have recently been carefully explored by Mr. 
shall A. Howe, who has published a short report (in Journ. 
New York Bot. Garden, v. 1904, pp. 164-166) of his visit to the 
South of Florida and the Bahamas, in which he says that Penicillus 
ulo 
lato, denso, post exsiccationem glaucoviridi; filamentis capituli calce 
indutis, ascendentibus, congestis, intertextis, 150-200 » crassis. 
ab ahama I; 
rit. Bermuda 
Florida, Key West, 
Exsice. Amer. Bor. 
No. 48 pro parte, in Mus. Bot. ‘Copenhagen. 
Journat or Borany.—Vor, 43. [Jan. 1905.] B 
