Page:Darwin - The various contrivances by which orchids are fertilized by insects (1877).djvu/112

92 the Sobralia, but quickly retreated, leaving the pollen-masses on the stigma, with the viscid discs alone adhering to its back. The nectar of this Guatemala Orchid seemed too powerful for our British bee, for it stretched out its legs and lay for a time as if dead on the labellum, but afterwards recovered.