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I. Fructus capsula 
a. Fructus isomerus, bana sepalis alternis. . . . Agrostemma. 
b. Fructus oligomerus, vel, si isomerus ridia. car- 
R 
Capsula unilocularis. 
* Capsula simplici stigmatum numero dehiscens Lychnis. 
* Capsula duplici stigmatum numero dehiscens. 
sare dorso biseriatim cristata . . ^. . Heliosperma. 
a tuberculata . . . . . . . . Melandryum. 
B. Capsula basi plurilocularis. 
Capsula duplici stigmatum dehi Silene. 
Capsula pens Vocis numero Baasa Viscaria. 
II. Fructus baccatus . 3 i RT Cucubalus. 
In the systematic portion of the work 288 species of the restricted 
genus are described. Dr. Rohrbach has avoided the two extremes 
either of uniting sol distinet forms, or of establishing species on 
unimportant and inconstant characters; and, what is very rare in the 
execution of so extensive and critical a monograph, he has carefully 
wrought up the materials already published, and so successfully 
referred all the specimens he has examined to establish species, that 
we find his name appended to less than ten out of nearly 300 species 
described. Having given the divisions of Lychnidee as bearing on 
British botany, we will here extract the classification and nomenclature 
adopted by the monographer for the British species. - He excludes 
two of our species from his restricted genus, viz. S. noctiflora, L= 
Melandryum noctiflorum, Fries, and 8. alpestris, Jacq.=Heliosperma 
alpestre, Reichb. ‘The remaining species are given as follows :— 
Suvsarwvs I. BEHEN. 
ABstivatio — imbrieativa. Calyx fere semper ampliatus, 10- vel 20- 
neryius, nervis a venosis raro tantum superne bifurcatim conjunctis. 
Species iy renn 
1. aes With 
2. " Dus balus, Wib. Prim. Werth. p. 241 (1799). S. inflata, Sm. Fi. 
Brit. p. 467 (1800). 
Susernvs II. SILENE. 
ZEstivatio petalorum alternatim contorta. Calyx aut 10-nervius, evenius vel 
nervis anastomosantibus, aut 20- 30- vel 60-nervius, nervis haud anastomo- 
santibus 
. Conosilene. 
Calyx 30-nervius evenius, fructifer e basi ampliata ad apicem versus attenua- 
tus. erbee annus 
8. S. conica, L. 
