Lithops - Au Cactus Francophone

figure 82 . lithops optica (marl.) n.e. br.
towards the apex, obtuse, or the oilier ones keeled and somewhat acute; pet
als obtuse, a clear and rather bright yellow, white at the base, laxly placed
in 1 2 series and nearly equal in length, in the finest flowers seen (which
are opened for several successive days) 2 cm. long, and to 3 nun. broad;
filaments up to 8 mm. long, white, slightly papillate at the base or a little
above, anthers yellow; nectary crenulate; ovary lobed towards the middle, the
lobes compressed: stigmas about 1 cm. long, well overtopping the stamens;
capsule of the previous year semi globose, slightly raised on the top towards
the middle, with the lobes a little compressed, about 4 mm. long and 6 mm.
or expanded 9 mm. in diameter.
Cape Province; in dit. Kenhardt, prope Kakamas, E. H. Fuller (N.B.G.
1725/28) Fl. May.
36. LITHOPS OPTICA
Lithops optica. (Plate 31.) Growths forming clumps of 4–15, even 20–30;
top of body obliquely convex, sometimes tapering to a point; sides coloured
pale grey; window large, open, transparent, with here and there a few small
islands, greenish white or pale greyish white; inner margin curved, very
minutely denticulate or without teeth; outer margin denticulate, whitish; both
margins often tinged a suffused red tinge; at the two points where inner and
outer margin meet, narrow transparent sharp triangular indentation pointing
down wards with the apex into the grey sides. Flowers red white. (Fig. 82.)
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