Sir, The assessment and teaching of practical skills of trainees is frequently neglected. For
instance, some trainers assume that they do not need to teach their trainee to take a blood …

• Bread wheat (Triticum aestivum; Poaceae) is a crop plant of great importance. It provides
nearly 20% of the world's daily food supply measured by calorie intake, similar to that …

• Premise of the study: Dated molecular phylogenies suggest a Cenozoic origin for the
crown group of Equisetum. but compression fossil equisetaleans that are morphologically …

The cacti have undergone extensive specialization in their evolutionary history, providing
an excellent system in which to address large‐scale questions of morphological and …

SIR,-In the correspondence column (2 January, p. 62) Dr. MJ Ball asks whether it is his first
duty, when such a case comes his way, to protect a pregnant woman who is not being …

The cacti are well‐known desert plants, widely recognized by their specialized growth form
and essentially leafless condition. Pereskia, a group of 17 species with regular leaf …

… We are grateful to the Donoghue and Edwards laboratories for useful discussions and to
the National Science Foundation (MJD: DEB-1145606, IOS-1256706, IOS-0842800; EJE: IOS-…

… We thank members of the Edwards and Donoghue laboratories for continued discussion of
these ideas and feedback on this manuscript. We especially thank Yannick Staedler and Jürg …

• Premise of the study: Portulacaceae is a family with a remarkable diversity in
photosynthetic pathways. This lineage not only has species with different C 4 biochemistry (NADP‐ME …

• Premise of the study: Next‐generation sequencing (NGS) technologies are frequently used
for resequencing and mining of single nucleotide polymorphisms (SNPs) by comparison to …