Senna multijuga subsp. doylei (Britton & Rose) H. S. Irwin & Barneby

Peiranisia doylei Britton & Rose, sp. nov
A tree, 6-7 m. high, young branches, inflorescence and rachis of leaves puberulent; gland between the lower pair of leaflets narrowly oblong; leaflets 50 or more pairs, linear, 10-15 mm. long, 1-2 mm. wide, apiculate, glabrous above, pale and nearly glabrous beneath; racemes fewflowered, axillary or terminal and paniculate; pedicels 2 cm. long or less; sepals orbicular, 4-5 mm. long; petals 12-15 mm. long; three of the anthers long-beaked; legume broadly linear, 1215 cm. long, about 1.5 cm. wide, thin, glabrous, short-stipitate, shining, impressed between the seeds.
Chiapas and Veracruz. Type from Pichucaleo, Chiapas, June 19, 1907, C. B. Doyle 259.