160 
Potamogeton pectinatus L. — Pothocites. 
Potamogeton pectinatus L. — Preglacial, England — Reid (3), p. 211, 227, 
PI. 15, Fig. 162. 
Potamogeton perfoliatus L. — Diluvial, Motzen — Stoiler (1), p. 108. 
Potamogeton perfoliatus L. — Diluvial, Rostocker Heide — Weber (1), p. 44. 
Potamogeton perfoliatus L. — Preglacial, England — Reid (3), p. 211, 220, 
PI. 15, Fig. 156. 
Potamogeton cf. perfoliatus L. — Diluvial, Ohlsdorf — S toi ler (1), p. 118. 
Potamogeton pliocaenicum Egh. sp. nov. — Oberpliocän, Untermaintal — 
Engelhardt u. Kinkelin (1), p. 173, 225, Taf. 27, Fig. 25a—n, 26. 
Potamogeton praelongus Wulf. — Diluvial, Hebride Inseln — Lewis (1), p. 48 
— Allgemeiner Teil — ibid., p. 64. 
Potamogeton praelongus Wulf. — Diluvial, Motzen — St oll er (1), p. 108. 
Potamogeton praelongus Wulf. — Preglacial, England — Reid (3), p. 211, 227, 
PI. 15, Fig. 155. 
Potamogeton pusillus L. — Diluvial, Rostocker Heide — Weber (1), p. 44. 
Potamogeton cf. praelongus Wulf. — Diluvial, Ohlsdorf — St oll er (1), p. 118. 
Potamogeton pusillus L. — Diluvial, Werlte — Stoller(l), p. 112 — Ohlsdorf 
— ibid., p. 118. 
Potamogeton pusillus L. — Preglacial, England — Reid (3), p. 211, 220, PI. 15, 
Fig. 160. 
Potamogeton cf. pusillus L. — Diluvial, Ohlsdorf — Stoller (1), p. 118. 
Potamogeton rufescens Schrad. — Diluvial, Scotland — Lewis (1) — Allge¬ 
meiner Teil — ibid., p. 64. 
Potamogeton rutilus Wolfg. — Diluvial, Motzen — Stoller (1), p. 108. 
Potamogeton cf. rutilus Wolfg. — Diluvial, Ohlsdorf — Stoller (1), p. 118. 
Potamogeton trichoides Cham. — Diluvial, Ohlsdorf — Stoller (1), p. 118. 
Potamogeton trichoides Cham. — Preglacial, England — Reid (3), p. 211, 227, 
PI. 15, Fig. 161. 
Potamogeton verticillatus ? Lesq. — Tertiär, Brit.-Columbia; Vorkommen in 
Nord-Amerika; Beschr.; Bibliogr. — Penhallow (4), p. 21, 80, 101, 123, 136. 
Potamogeton? verticillatus Lx. — Tertiär, Florissant; problematisch — 
Cockerell (3), p. 79. 
Potamogeton — Diluviales und alluviales Vorkommen in Torflagern Europas — 
Stoller (2), p. 83—85. 
Potamogeton spec. — Diluvial, Motzen — Stoller (1), p. 108 — Ohlsdorf — 
ibid., p. 118. 
Potamogeton spec. — Diluvial, Toppeladugärd, Schweden — Holst (1), p. 10—13. 
Potamogeton spec. — Miocän, Joursac — Marty (3). 
Potamogeton spec. — Tertiär, Brit.-Columbia — Penhallow (1), p. 300,301,312,317. 
Potamogeton spec. — Tertiär, Canada — Penhallow (4), p. 23, 80, 119, 136 
— Penhallow (1), p. 324. 
Potentilla comarum Nestl. — Diluvial, Scottish Highlands — Lewis (1), p. 37,42,44 
— Hebride Inseln — ibid., p. 48 — Shetland — ibid., p. 55, PI. III, Fig. 6 
— Allgemeiner Teil — ibid., p. 60, 64. 
Potentilla Fragariastrum Ehrh. — Vergleich mit Rubus niacensis Laur. — 
Laurent (1), p. 55. 
Potentilla salisburgensis Haenke — Diluvial, Scottish Highlands — Lewis (1), 
p. 36. 
Potentilla silvestris Neck. — Preglacial, England — Reid (3), p. 209, 214, 
PI. 12, Fig. 36, 37. 
Pothocites — Allgemeines — Scott (1), p. 70. 
Pothocites — Strobilus-Bau — Browne (1), p. 107, 108, 109 — Hoinosporie — 
ibid., p. 111. 
