Note 102 — Chapter I
Reading edition
Willkomm and Lange, Prodromus Floræ Hispanicæ, ii. p. 223; De Candolle, Flore Française, iv. p. 59; Koch, Synopsis Fl. Germ., edit. 2, p. 488; Ledebour, Fl. Ross., ii. p. 794; Boissier, Fl. Orientalis, iii. p. 767; Bertoloni, Fl. Ital., viii. p. 365.