Concept
Lactuca
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A plant (Lactuca tuberosa) related to lettuce: entire flowering plant with separate flower and seed. Coloured engraving after F. von Scheidl, 1770.
Scheidl, Franz Anton von, 1731-1801.Date: [1770]Reference: 17622i
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SEM of open stoma on lettuce leaf
Debbie Marshall
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SEM of open stoma on lettuce leaf
Debbie Marshall
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De lactuca virosa et scariola : dissertatio inauguralis medica ... / auctor Henricus Hirschfeld.
Hirschfeld, Heinrich.Date: 1833
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Observations on the distinguishing symptoms of three different species of pulmonary consumption, the catarrhal, the apostematous, and the tuberculous : with some remarks on the remedies and regimen best fitted for the prevention, removal, or alleviation of each species : to which is added, an appendix on the preparation and use of lactucarium, or lettuce-opium / by Andrew Duncan.
Duncan, Andrew, 1744-1828.Date: 1819