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Water plants: 1) Shining pondweed (Potamogeton lucens); 2) Neptune grass (Posidonia oceanica); 3-4) Broadleaf cattail (Typha latifolia); 5-6) Branched bur-reed (Sparganium erectum, or Sparganium ramosum); 7-8) European bur-reed (Sparganium emersum, or Sparganium simplex); 9) Alpine pondweed (Potamogeton alpinus, or Potamogeton rufescens); 10-12) Chufa (Cyperus esculentus); 13-16) Cyperus serotinus (or Cyperus monti); 17) Black bog-rush (Schoenus nigricans); 18) Eleocharis uniglumis (or Heleocharis uniglumis); 19-21) Schoenus ferrugineus; 22) Needle spikerush (Eleocharis acicularis, or Heleocharis acicularis); 23) Scirpus parvulus. 26-28) Water lentil (Lemna minor); 29) Star duckweed (Lemna trisulca). Hand-colored wood engraving, published in 1887.