66 MR. F. N. WILLIAMS ON THE GENUS SILENE. 
68. Stuexe oxvoponva, Barbey, Herbor. au Levant, p. 121, 
t. 11 (1882). 
Caulis e basi ramosus, ramis adscendentibus pilis longis crispis 
griseo-pubescentibus. Folia inferiora oblongo-spathulata basi 
attenuata acuta; bracte herbacee oblongo-lineares acute basi 
dilatates. Flores subsessiles, inferiore alari. Calyx oblongus 
basi truncatus, nervis latis in cristas acutas prominentibus 
viridibus pilis crispis longis hirsutis, dentibus rigidis lanceo- 
latis acutis subrecurvis. Petala intense purpurea, magna 
obcordata, bifida, lobis obtusis, appendicibus binis minimis 
ovatis. Carpophornm cum ovarii } parte equilongum. 
S. racemose et preesertim 9. Heldrerchii affinis a qua floribus 
inferioribus alaribus, calyce florifero oblongo nec cylindrico, 
nervis in cristas prominentibus percurso, differt. 
Hab. In the Plain of Esdraélon, below Nazareth. 
B. Calyx fructifer apice non contractus. 
69. S. Scuwetvrurral, Rohrb. in Bot. Zeitung, xxv. (1867) 
p- 82; Monogr., p. 106. 
Hab. Nubia and Abyssinia. 
70. S. ARABICA, sp. nov, 
Caulis adscendens, paullum ramosus, pubescens. Folia glau- 
cescentia, inferiora ovato-lanceolata, acuta, intermedia lanceo- 
lato-spathulata in petiolam tenuem longe attenuata, superiora 
minima; bracter lineares acuminate longe ciliate. Calyx 
gracilis cylindricus, fructifer clavatus ampliatus infra capsulam 
constrictus, striis purpureis, dentibus lanceolatis acutis albo- 
marginatis densissime ciliatis. Petala rosea, appendicibus 
ovatis. Capsula ovata, carpophorum fere bis superans. 
A S. Schweinfurthi differt presertim habitu laxiore glau- 
cescenti, foliis latis longius attenuatis, calyce angusto, striis 
purpurels. 
Syn. S. chirensis, A. Rich. ex Barbey, Pl. Arab. Schweinf. 
(1889). 
This specific name was one substituted by Boissier (Fl. Orient. i 593) 
for his own S. affinis (which he misquotes as a MS, name). when he 
found that Godron had also described a S. afinis. But as Rohrbach 
points out, Godron’s plant is in no way to be distinguished ‘from S. micro- 
petala, so that Boissier’s first name stands, and S. arabica becomes a 
synonym and available for a new species, 
Hab. Gebel 
Schibam, near Menacha, in Arabia Feli 
(Schweinfurth). Tabla felix 
