Geranium latum Small ex Underw. & Britton

Geranium latum Small, sp. nov Perennial, the caudex usually branched. Stems 1-3 dm. tall, erect, copiously retrorsehirsute, sparingly branched ; leaf-blades thick, pentagonal in outline, 3-8 cm. wide, hirsute on both sides, but finely so above, 3-5-parted, the divisions broadly cuneate, incised and toothed, the teeth ovate ; pedicels finely but copiously glandular-hirsute ; sepals awntipped, the outer ones 9-10 mm. long, the bodies oblong-ovate to oblong-lanceolate, finely pubescent and more or less hirsute, the tips slender ; petals white and dark -veined, 14-17 mm. long; style-column 14-16 mm. long, finely hirsute and somewhat glandular; carpelbodies not seen.
Type collected on Popocatepetl, Mexico, August 7 and 8, 1901, J. N. Rose & R. Hay 6065. Distribution : Middle Mexico.