(1929)  Page(s) 452, 476 Vol. 87, No. 4.  Includes photo(s).
 
R. subglauca haploid no. 14; somatic no. 28.
Cytologically nearly every tetraploid specimen examined showed meiotic irregularities which differ only in degree from those found in known tetraploid hybrids examined by Täckholm. A dwarf plant of R. subglauca Rydg. from Alberta...shows many such irregularities.