The new macro function %SYSFUNC (SASÂ® rel 6.12) allows access by the macro processor to most data step. functions and several SCL functions. Solutions to many. common macro tasks can now be simpler and more. efficient. In addition, many of the SCL functions allow the. programmer to manipulate external files directly from the.
Lancelet. Branchiostoma lanceolatum, or Amphioxus lan-ceolatus) , a chordate animal of subphylum Acrania (Cephalo-chordata). The body of the lancelet is transparent, up to 8 cm long, and pointed at both ends.The notochord extends into the anterior end of the body.The caudal fin is lancet-shaped.ranchiostoma lanceolatum, or Amphioxus lan-ceolatus) , a chordate animal of subphylum Acrania (Cephalo-chordata). The body of the lancelet is transparent, up to 8 cm long, and pointed at both ends. The notochord extends into the anterior end of the body. The caudal fin is lancet-shaped.
The name of the type subgenus, Equisetum, means horse hair in Latin, while the name of the other subgenus, Hippochaete, means horse hair in Greek. Hybrids are common, but hybridization has only been recorded between members of the same subgenus.