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Lithops - Au Cactus Francophone

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figure 15 . lithops aucampiae l. bol.<br />

are found. The plant represented in Fig. 14 and Plate 1 corresponds to the<br />

original, i.e. reddish, whereas that in Fig. 15 and Plate 2, although apparently<br />

a different plant, is also L. <strong>Au</strong>campiae. The latter plant was very nearly de<br />

scribed by the author as a new species, since it differs quite considerably from<br />

the type as originally described. On examining material fresh from the field<br />

collected by Dr. Geyer of Cape Town, it was quite obvious that neither the<br />

nature nor the colour of the window is a safe criterion for determining this<br />

species. It appeared that the plant represented in Fig. 15 was growing along<br />

side the plant in Fig. 14 at Danielskuil. The borders of the laciniated or den<br />

dritic margins are coloured red, and this appears to be the constant character<br />

of this species, whether the window is large and open or dotted with islands.<br />

The delicate red colouration between the laciniae of the margin is a charac<br />

ter by which this species can easily be recognised. These coloured lines are<br />

absent in both L. Lesliei and L. Venteri, to which this species is related. Mr.<br />

Minnaar of Vryburg informs me that clumps of L. <strong>Au</strong>campiae are sometimes<br />

8 inches in diameter and that the plants from the vicinity of Griquastad are<br />

redder than those from the neighbourhood of Vryburg. The soil of the former<br />

is also tinted a deeper red than that of the latter place. Fig. 15 is one of the<br />

plants in Fig. 16 somewhat enlarged to show the markings more clearly.<br />

<strong>Lithops</strong> <strong>Au</strong>campiae. (Plate 1, 2.) Plante enkel, in pare of baie in ’n klomp;<br />

planteliggaam verkeerdkeëlvormig; die boonste vlak gelyk; die mantel ’n ligte<br />

roesbruin kleur of effens rooierig; die venster bestaan uit ’n groot aantal dele<br />

van onreëlmatige grootte en vorm, vat mm of meer in mekaar saamvloei en<br />

dus met mekaar verbind is; soms is die venster vereng tot deursigtige of half<br />

51

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