The Different Forms of Flowers on Plants of the Same Species

by Charles Darwin

Scott, J., on Primula auricula. on Primula vulgaris. on Primula var. rubra. on Primula Sikkimensis. on Primula farinosa. homostyled Primulae. hybrids. length of pistil. Hottonia palustris. Androsace vitalliana. Polyanthus. Mitchella repens. Acanthaceae. Eranthemum ambiguum bearing three kinds of flowers.

Scrophularia aquatica.

Serratula tinctoria.

Sethia acuminata. — obtusifolia.

Smith, Sir J.E., on the carrot. hybrid Verbascums. Serratula tinctoria. Cnicus. Subularia.

Soldanella alpina.

Specularia perfoliata.

Spence, Mr., on Mollia.

Spermacoce.

Sprengel on Hottonia palustris.