256 
parent pit markings it would be strikingly like two lobes of a 
Marsilea \eaf. S. excisa Probst ** (f. 3) seems undoubtedly to re- 
present nothing more than a pinnule of some fern, probably an 
Asplenium. 
In view of the above facts, the following rearrangement of the 
species seems advisable : 
Satvinia (Micheli) Schreb. 
AS Mildeana Goepp. (1855). 
S. formosa Heer (1859). - 
S. cordata Ettingsh. (1866). 
S. Reusii Ettingsh. (1866). 
S. Ehrhardti Probst (1884). 
S. spinulosa Probst (1884). 
S. oligocenica Staub (1 887). 
— 
S. aquensts Sap. (1888). 
S. elliptica Newb. (1894). 
Marsivea Linn. 
M. attenuata (Lesq.) = Salvinia attenuata Lesq. (1874): 
TMESIPTERIS Bernh. 
T. RETICULATA (Ettingsh. in par.) = Dalbergia reticulata Bitingst 
(1853); Salvenia reticulata Heer (1859). 
T. ALLEN! (Lesq.) = Ophioglossum Alleni Lesq. (1872); Sabina . 
Alleni (1878). ge 
PxyLiites Sterub. 
P. cycLopuyLia (Lesq.) = Salvinia cyclophylla Lesq. (187 3)- 
Asptentum L. 
_A. Excisa (Probst) = Salvinia excisa Probst (1884). 
? Explanation of Plate 205. A 
Fig. 1. Salvinia oligocenica Staub, Jahrb. K. Ungarn. Geol. Anst. 7: fe = 
Ts 2. es b. os 
Fig. 2. Salvinia Ehrhardti Probst, Jahresh. Ver. Vaterl. Naturk. Warttem> 
40: 2. 7, 7: S. 
Fig. 3. Salvinia excisa Probst, l.c. f 4. 
Fig. 4. Salvinta spinulosa Probst, 1. c. fi 5. f 
Fig. 5. Salvinia Mildeana Goepp. Ung. Syll. Pl. Foss. pl t, fi 7> 
Fig. 6. Salvinia formosa Heer, Fl. Tert. Helvetie, 3: pf. 1451 f- 43" one 
Fig. 7. Salvinia cordata Ettingsh. Foss. Fl. Tert.Beck. Bilin, pl 2» / 1% 
