07.4-64 
Mainillaria sp. nov 
Flowered March 21, 1912. Plant examined 1.25 dm. high, 1 dm. in diameter 
axils small, tubercles closely fitting; wool in axils; spines radial, 
small, light colored, 13 to 15; centrals, none; petals light purple, lan- 
ceolate to almost oblanceolate , margins fine; stamens several; anthers 
light yellow; stigma lobes cheese colored. 
Dr. C. A. Purpus , # 410. Rocks, Rio de Santa Luisa, Mexico. 
