26 NOTES ON NOMENCLATURE. 
A. — —P. squamatum L.— P. piloselioides L.——P. glaucophyllum 
Kunze.—P. loricewm L., four varieties, one just like the Brazilian 
rs Ca therina L. & F.—P. —_ Spreng. ‘Niele neriifolium Schk.— 
P. angustifolium Sw. — P. repens L. —— P. aureum L., two varieties, 
both with uniseriate sori, oy a with sori olay disposed, the 
other glaucous with close sori. — P. lanceolatum L. — P. percussum 
av.— P. pendent Sw. 
118*. Polypodium per sp.—_Stipes densely tufted, 
very slender, He in. long, clothed wit with fine spreading brown hairs. 
Lamina ligulate, beste deeply repand, 3-5 in. long, 1-4 in. broad, 
narrowed to the base, very thick, moderately firm in texture, green 
as solace n. sp. —— Rhizome : stout, 
short- -ereeping ae ca iensoclats: spreading, membranous, 
pale bro Stipes 2-3 in. long, stiffly erect, densely scaly ; palese 
mostly sehr with a brown centre and pale scariose edge, a few 
spreading. Lamina thick, rigid, ovate-lanceolate, bipinnatifid or 
bipinnate, 3-4 in. long, green and naked above, densely clothed 
e and mai is. 
ith similar peltate palez on the lower surfa ain rachis 
Upp inne lanceolate, many deeply oa a lanceolate 
lobes, the lowest pinne the largest. Veins qui den. Sori 
to P. murorum Hook. 
sgn mme iain Kunze. — G. trifoliata Desv. — G. 
tartarea Desv.—G. pdearadbicak Kaulf., type and var. pe: 
Vittaria lineata Sw. 
kk. 
Acrostichum flaccidum Fée, type and var. stipitatum, n. var., 
with sterile fronds {iia ihed with a distinct stipe. — A. Lingua 
Raddi.— A. hybridum Bory. — A. spathulatum Bory. — A. viscosum 
Sw.—A. Bellermannianum Klotzsch. 
Anemia Phyllitidis Sw.— A. hirsuta Sw. 
Marattia laxa, Kunze. 
Danea Moritziana Presl., var. or perhaps a distinct species, with 
a compressed rachis, winged between the arg se down to the base 
of the frond, as in the West Indian D. ala 
NOTES ON NOMENCLATURE. 
By Dr. J. B. Dz Ton anp Dr. P. Voatino. 
THE increase in the number of homonymous genera causes 
great confusion in scient , and we think it useful, following 
arkness’ —. to note some generic names which are doubly 
employed in botanical taxonomy. Names common both to genera 
of plants and animals are even more copious, but it is ; impossible to 
