In trying to learn to identify rain lilies, I am starting by looking for constants -- peduncle length? pedicel length? floral tube length? ratios of filament lengths? stigma lengths? I am already disheartened to read in Flora of North America, vol. 26, p. 297, where Flagg, Smith, & Flory wrote, "It had been thought that pedicels are consistently either present or absent in species of Zephyranthes. This is belied by the occurrence of both pedicellate and sessile flowers within each of the the three species (Z. atamasca, Z. treatiae, and Z. simpsonii) native to the southeastern United States." Can anyone suggest any other physical trait that might be consistent? Jim -- James Shields email@example.com P.O. Box 92 Westfield, IN 46074 U.S.A.