Lithops - Au Cactus Francophone

ii. fenestratae
Upper surface either wholly transparent window or provided with numerous miniature
windows or with openings in the opaque epidermis or the depressions transparent and the
ridges opaque.
A. RubRo‑ColoRatae. Window with red to dark-red dots or lines or with pink depressions
with rust-brown or reddish depressions confined to the margins.
1. Main body of upper surface free of coloured dots or lines, the latter
confined mainly to the margins.
(a) Body and top grey-white (silvery-grey), dendritic markings
between laciniae rust-brown . . . . . . . . . . . . . . . . . . . . . . . . L. Fulleri
(b) Body and top rust-brown, reddish-brown or greenish, bifurcations
between laciniae red to light-red . . . . . . . . . . . . . . . . . L. Aucampiae
2. Main body of upper surface marked with isolated red dots, or few isolated
red dots and lines or coloured (pink) by lines forming reticulations.
(a) Miniature windows prominent, raised above level of window
surface, no transparent window, upper surface rust-brown . . L. fulviceps
(b) Miniature windows absent.
(i) Window with red dots only.
x. Red dots raised above level of window . . . . . . . . L. Inae
xx. Red dots embedded in surface of transparent window
and level with it.
o. 10–15 fulgent red dots . . . . . . . . . . . . . . L. Dinteri
oo. Few (3–5) dull red dots . . . . . . . . . . . . . . . L. brevis
(ii) Upper surface with few to many red impressed lines, or lines interconnected
to form reticulation, dots so to say absent.
x. Upper surface rugose, transparent part confined to impressions
between ridges.
o. Upper surface slightly rust-brown, window
olive-green, top part of surface slightly rugulose
L. marginata
oo. Upper surface greyish-white or yellow-brown,
with transparent part dark light-green to darkgreen
impressed lines.
p. Depressions light to dark-green, at intersections
dark-red spots . . . . . . L. chrysocephala
pp. Depressions with impressed dark-red
lines, top surface resembling Hebrew
script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. Mennellii
ooo. Window with pink reticulate impressions, sometimes
slightly whitish . . . . . . . . . . . . . . . . . . L. Julii
xx. Upper surface plain or bullate, window transparent.
o. Transparent window without ridges.
p. Window buff coloured, lines bifurcate
into window . . . . . . . . . . . . . . . . . L. Dorotheae
pp. Window dark-green, short lines and dots
unevenly distributed . . . . . . . . . . . . L. insularis
oo. Window bullate with opaque, yellowish ridges
L. Bromfieldii
168