65 
in my opinion should be maintained. 
Schmidtia, Tratt. (1816)= Coleanthus, Roem. & Schult. (1817). 
Steglingia, Bernh. (1800) = Triodia, R. Br. (1810). 
Sorgum, L. (1735) = Andropogon, L. (1753). 
This is a Systema name. Schenanthum, Rumpf. (1747), 
would appear from Dr. Kuntze’s citation to be the first name 
available after the Systema, if these grasses are to be regarded as 
congeneric. 
Thalysia, L. (1735)=Zea, L. (1737). A Systema name. 
GYMNOSPERMZ. 
Palmifolia, Trew (1752)=Zamia, L. (1763). 
PTERIDOPHYTA. 
Dryopteris, Amman (1739)= Aspidium, Sw. (1800). 
Phyllitis, Sieg. (1736); Deering (1738)=Scolopendrium, Adans. 
(1763). : 
Pterinodes, Sieg. (1736) = Filicastrum, Amm. (1739) = Struthiop- 
teris, Hall. (1842) = Onoclea, L. (1753). 
Spicant(a), Hall. (1745)=Lomaria, Willd. (1809). 
Calamistrum, L. (beginning of 1737)=Pilularia, L. (end of 
1737). ; 
Zaluziankya, Neck. (1775)=Marsilea, L. (1753), not Marszlea, 
L. (1737), which is said to be Sa/vinia. 
Lycopodiodes, Dill. (1741) = Selaginoides, Dill. (1741) =Selagin- 
ella, Beauv. (1805). 
Calamaria, Dill. (1741) =Jsoetes, L. (1751). 
BRYOPHYTA. 
There appear to be no substitutions here that have not al- 
ready been taken up. Most of them suggested are in Hepatice, 
and have been discussed by Professor Underwood in his paper 
on the North American plants of that order. 
THALLOPHYTA. 
The discussion of the treatment of Alga, Fungi and Lichens 
we prefer to leave to others. N. L. BRITTON. 
