29. Drymaria laxiflora Benth., Pl. Hartw.: 73. 1841.

= Drymaria chihuahuensis Briq., Annuaire Conserv. Jard. Bot. Genève 13–14: 370. 1911. Type: Mexico. Chihuahua: near Chihuahua, 1 September 1885, C. G. Pringle 331 (holotype: G [G 00226751 image!]; isotypes: ARIZ [319001 / ARIZ-BOT-0005626 image!], CAS [94965/0002339 image!], E [E 00326059 image!, 00394858 image!], F [104212 / F 0053287 F image!, 870682/0053288 F image!], G [G 00226752 image!, 00226762 image!], GH [00037719 image!], JE [JE 00014348 image!], KFTA [KFTA 0000328 image!], LE [LE 00001743 image!, LE 00001744 image!], LECB [LECB 0000546 image!], LL [00370753 image!], MEL [MEL 2499824 image!, MEL 2499825 image!], MEXU [MEXU 00148765!], MICH [1115008 image!], NY [00342492 image!, 00342493 image!, 00342494 image!], UC [UC 41993 image!], US [10411/00931458 image!], VT [UVMVT 024422 image!]) .

Type.

Guatemala. Quetzaltenango: In rupibus Sunil, [14°47'N, 91°29'W], 1839, K. T. Hartweg 523 (holotype: K [K 000471754 image!]; isotypes: E [E 00326060 image!], F [871784 / F 0053295 F image!, 869007/0053296 F image!], FI [021732/005970 image!], G [G 00226750 image!, 00226763 image!], K [K 000471753 image!], LD [1216996 image!], LE [LE 00012081 image!], MO [6033460 / 2090484 image!]) .

Distribution.

United States, Mexico, Guatemala, Bolivia.

Notes.

Duke reported that the holotype of Drymaria laxiflora is at BM. However, we interpret the holotype to be the specimen at K ex Herbarium Benthamianum.

For Drymaria chihuahuensis, there is a sheet at VT marked as holotype. However, as mentioned by Duke (1961), the holotype is at G.