Ilustração de Plantas do deserto, cromoliógrafo, publicado em 1897

Desert plants: 1) Retama Raetam with blossoms and fruits (bottom); 2) Fagonbush (Fagonia arabica) with fruit (top); 3) Zilla microcarpa with blossom (bottom); 4) Calligonum comosum with blossom (left) and fruit (right); 5) Karira (Capparis decidua); 6) Zygophyllum album 7) Aristida plumosa; 8) Welwitschia, or tree tumbo (Welwitschia mirabilis); 9) Acanthosicyos horridus (or Acanthosicyos horrida); 10) Farsetia aegyptiaca. Chromolithograh, published in 1897.