Cattleya walkeriana walkeriana" has been twice determined as 2"n" = 40; the diploid chromosome number of the variety "C. walkeriana" var. "princeps" has been determined as 2"n" = 80. Cattleya walkeriana Cattleya walkeriana (Walker's cattleya) is a species of orchid. It differs from most species of "Cattleya" by having inflorescences which arise from the rhizome instead of from the apex of the pseudobulb. In its native habitat (Brazilian Central Plateau) it grows as either an epiphyte or a lithophyte, sometimes in full sun. Pseudobulbs are relatively short, bulbous or fusiform, with one or two ovate leaves at the apex. Inflorescence is one-
Portia labiata and then bite it. Around Los Baños, "P. labiata" instinctively detours round the back of "S. pallida" that is not carrying eggs while with plucking the web in a way that makes "S. pallida" believe the threat is in front of it. "P. labiata" prefers to stalk a female "S. pallida" carrying eggs, as then "S. pallida" is reluctant to drop the eggs in order to spit, and in this case "P. labiata" sometimes uses a direct attack. In areas where "S. pallida" is absent, the local members of "P. labiata" do not use this combination of plucking other spiders'