Note 25 — Chapter XVI · CAUSES WHICH INTERFERE WITH THE FREE CROSSING OF VARIETIES—INFLUENCE OF DOMESTICATION ON FERTILITY.
Reading edition
‘Zweite Forts.,’ s. 53, namely, Nicotiana major vulgaris; (2) perennis; (3) transylvanica; (4) a sub-var. of the last; (5) major latifol. fl. alb.