The Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family, Volume 2

acuminate acute areoles Argentina axils Bahia base Brazil bristles Britton and Rose broad brown brownish Cact cacti Cactus Candolle central spines Cephalocereus Cereus Cleistocactus collected by Dr columnar Contr diameter Distribution Dyck Ecuador elongated Enum erect Eulychnia exserted figure filaments flowering areoles flowering branch funnelform Gard Gartenz genus Gesamtb glaucous green greenish hairs Handb Harrisia Herb Hort Hylocereus Illustrations inner perianth-segments white joints Kakteenk Lemaire Lemaireocereus Leptocereus long or less meters high Mexico Monatsschr numerous oblong obtuse outer perianth-segments ovary ovary and flower-tube Pachycereus perianth Peru Pfeiffer photograph taken Pilocereus plant Plate radial spines ribs Riccobono Rümpler Rümpler in Förster Salm-Dyck Schumann seeds black Selenicereus short shows a flower slender sometimes species specimens spiny stamens Stems stigma-lobes stout style subulate synonym Tehuacán thick tips trunk tube tuberculate Type locality U. S. Nat usually Vaupel Weber wool yellow yellowish York Botanical Garden