I have found it convenient, for the purposes of description, to employ 
the term parapetalous for those stamens which occur one on either side of 
SOME SPECIES OF POTENTILLA. 
275 
each petal; antisepalous, for the stamen or stamens in front of each sepal ; 
and antipetalous for the stamen or stamens in front of each petal. 
The following is a list of the species examined by me, named and 
numbered according to Lehmann’s * Revisio Potentillarum’ (Nov. Act. 
Acad. xxiii. Suppl.). 
In determining some of the species I have had 
great difficulty, which will be understood by any one who has had to do 
with this most troublesome genus. 
The names to which I have affixed 
the mark (?) are to be looked upon as only approximately correct. 
Ciis S odi Species. 
5 P. fruticosa, LZ. 
ll P. ambigua, Jacquemont................-- 
13 P. tridentata, So 
15 P. bifurca, Z 
28 P. sericea, L. (?) 
43 P. stolonifera, Lehm. 
53 P. rupes 
60 E. panier 
67 P. peduncularis, 
80 P. palustris, roa (Com. palustre, Z). 
84 P. chrysantha, Trev. (?) 
90 P. Taurica, Will. ( 
91 P. recta, em is pallida (D). ve... 25.0 
92 P. hirta 
97 P. Lp sen ev 
98 P. Nepalensis, Hook 
103 P. Calabra, Teno 
104 P. argentea, Z 
106 Pr SABES Fill. 
lll IP, tomentosd, Tew. (D)... hs. 
125 r: acuta, act ( P.alpestris, Hal.) 
128 EF. : 
147 P. alba, Z. 
153 E Pup XME loch 
156 P. atrosanguinea, Lodd. ................-- 
158 P. elatior, Schlecht. 44 a ee 
182 P. Tormentilla, Sikh. ................- 
186 P. RUBRA y Agr E ee E 
190 P. anserina, E. ....... 868 
Type of 
Andreecium. 
Il. 
III. 
T2 
