Haseltonia 22

Host response and endophyte structure of the mistletoe Ligaria cuneifolia (Loranthaceae) parasitizing Corryocactus brevistylus (Cactaceae)
James D. Mauseth, Stephen Benigno, Fátima Cáceres Huamani, and Carlos Ostolaza 

Symptomatology of infestation by Hypogeococcus pungens: contrasts between host species
Roberto Carrera-Martínez, Laura Aponte-Díaz, Jorge Ruiz-Arocho and David A. Jenkins 

Flowering phenology and observations on the pollination biology of South American cacti. 2. Cereus aethiops
Urs Eggli and Mario Giorgetta 

Succulents and their adaptation to mega-herbivores in the Gonarezhou National Park (Eastern Zimbabwe) and the first records in Zimbabwe of the succulent twiner Tinospora fragosa and a succulent mistletoe, Agelanthus crassifolius
Ernst J. van Jaarsveld 

On the ancestry of the tetraploid shrubby aloes in Kenya
A.M. Uleh, L.E. Newton, P. K. Mbuga and G. W. Gatheri 

Notes on Ruschia dichroa (Aizoaceae): an endemic to the arid mountain fynbos of the Western Cape, South Africa
C. Klak and P.V. Bruyns 

Aloe scorpioides; a new range extension to the Sierra Das Neves, south-west Angola
Ernst J. van Jaarsveld 

Notes on Aloe ×nobilis Haw. (Asphodelaceae: Alooideae)
Gideon F. Smith and Estrela Figueiredo 

Cotyledon woodii subsp. cremnophila, a new cliff dwelling taxon from the Kei river, Eastern Cape, Republic of South Africa
Ernst J. van Jaarsveld 

Four new taxa of the genus Echeveria from the state of Oaxaca, Mexico
Jerónimo Reyes Santiago, Christian Brachet Ize, Omar González Zorzano, Angeles Islas Luna and Lilian López Chávez

Cotyledon lutea, a new species from the Western Cape, Republic of South Africa
Ernst J. van Jaarsveld 

Sedum ×estrelae (Gideon F.Sm. & R.Stephenson) Gideon F.Sm. (Crassulaceae): a new combination for a natural hybrid in Sedum series Rupestria A.Berger (= Petrosedum Grulich) from Portugal
Gideon F. Smith 

Crassula montana subsp. borealis, a new cliff-dwelling species from Namaqualand, Northern Cape, Republic of South Africa
Ernst J. van Jaarsveld 

Annotated bibliography for the Colorado Hookless Cactus (Sclerocactus glaucus)
Nancy D. Riley 

Published research in Cacti and Succulents, 2014–June 2015: a (briefly) annotated, selected bibliography
Peter B. Breslin