[233] 'Bull. Acad. Belg.,' xviii, part i, p. 591. Lobelia, p. 137.
[234] See also Seringe, 'Esquisse d'une Monogr. du genre Aconitum,' p. 124.
[235] Schlotterbec, 'Act. Helvet.,' t. ii, pl. i, Roeper. Balsam, p. 10, note.
[236] Masters. "Peloria, &c., Ophrys aranifera," 'Journ. Linn. Soc.,' viii, p. 207.
[237] Godron, "Mém. sur les Fumarieès à fl. irreg.," 'Ann. Sc. Nat.,' sér. 5, vol. ii, tab. xvii, p. 280.
[238] 'Bull. Soc. Bot. France,' vol. v, 1858, p. 701.
[239] 'Bull. Soc. Bot. France,' vol. vi, 1859, p. 717.
[240] 'Variation of Anim. and Plants,' ii, p. 70.
[241] Loc. cit., p. 59.
[242] 'Théor. Elém.,' ed. 2, p. 266.