142 MR. F. N. WILLIAMS ON THE GENUS SILENE. 
Geogr. limits—W. Prov. of Pomerania, in Prussia. 
S. The Crimea. 
N. Prov. of Livonia, in Russia. 
E. Between the rivers Jaik and Irtysch, in 
Siberia. 
278. Strexe rararica, Pers., Syn. Plant., i. p. 497; Reichb., 
Tc. Fl. Germ. Helv., n. 5100; Rohrb., Monogr., p. 184. 
A beato Regel, S. foliosa et S. macrostyla, Maxim. cum 
S. tatarica conjunguntur. Differt autem utraque calycibus 
multo minoribus 5-7 mm. longis (in S. tatarica 9-12 mm.), 
sub anthesi clavato-campanulatis, nec clavato-tubulosis, striis 
calycinis superno arcuatim conjunctis, neque eveniis, calyce 
fructifero ampliato, neque oblongo, capsula ovato-oblonga, neque 
oblonga, bracteis ac prophyllis herbaceis, margine ciliato 
tautummodo scariosis, in S. tatarvica totis scariosis. 
Geogr. limits—N. and H. Siberia. 
S. On the banks of R. Terek, in prov. of Cis- 
Caucasia. 
W. Banks of the Oder, near Frankfort, in the 
prov. of Brandenburg, Prussia (ea Nyi., 
Consp. Fl. Hur., suppl., ii. p.53; et Garcke, 
Fi. Deutschl., ed. 1885, p. 64). 
279. S. rotiosa, Maxim., Prim. Fl. Amur., p. 53 (1859); 
Rohrb., Monogr., p. 185. 
a. tTYPICA, Rohrb. in Linnea, xxxvi. (1870) p. 683. 
Inflorescentia viscida. Petala, unguibus superne dilatatis, 
longe exsertis, profunde bipartita, lobis linearibus, appendicibus 
minutis vel nullis. 
B. MACROSTYLA, Marin. (sp.), Prim. Fl. Amur., p. 54; Rohkrb., 
Monogr., p. 185, et in Linnea, xxxvi. (1870) p. 684. 
Inflorescentia glabrescens, raro puberula. Petala, unguibus 
non dilatatis longe exsertis, lineari-oblonga ad medium bifida, 
ecoronata. 
4. MONGOLICA, Maxin., Enum. Pl. Mongol., p. 91 (1889). 
Elatior, non viscida. Folia linearia. Calyx dentibus subob- 
tusis. Petala, unguibus non dilatatis, parum exsertis, cuneata 
ad medium bifida, appendicibus minutis. 
