35.3. Astragalus guatemalensis Hemsl. var. lozani M. E. Jones, Rev. N.-Amer. Astragalus 189. Pl. 43. 1929

Type:— MEXICO, Hidalgo, Sierra de Pachuca, 9000 ft. alt., 28 July1898, Pringle 6935 (holotype: US 00004137 digital image!, US 00997142 digital image!; isotype: NY5798!, CAS0000955 digital image!, MIN1000349 digital image, TEX-LL00371232 digital image!, HBG520400 digital image!, CM0954 digital image!).

Atelophragma lozani (M. E. Jones) Rydb., Bull. Torrey Bot. Club 55: 161. 1928.

Stems 29 cm long or shorter; trichomes short and appressed mixed with longer and straight ones; stipe 3.5–5 mm long. easily discernible from the other two varieties by its short stems and longer stipe.

Distribution:— Endemic from the state of Hidalgo (Sierra de Pachuca) (Fig. 10).

Habitat:— Conifer forest, 2700–2900 m.

Specimens examined:—HIDALGO. 28 July 1898, Sierra de Pachuca. Alt. 9000 ft, C. G. Pringle 6935 (MEXU, NY, TEX-LL); 21 July 1901, Sierra de Pachuca, J. N. Rose 5587 (NY, US); 14 June 1975, 1.5 km al WSW de Real del Monte, Medina, M. 379 (ENCB, IEB, MEXU); 20 May 1973, Piedras Largas, SE de Texoautla, M. Sousa 4047, J. Rzedowski, M. Peña de S. (ENCB, MEXU); 3 June 1976, A. Delgado S.229, R. Hernández (MEXU); 27 June 1975, M. Sousa, 4679 (MEXU); 19 June 2003, On hillside next to field, E. Salgado H. 1, D. Gernandt, D. Téllez M. (MEXU); 4 March 1963, Rzedowski 17014 (ENCB); 27 August 1967, Rzedowski 24286 (ENCB); 4 August 1963, E, Chávez O. s.n. (ENCB); 25 June 1967, A. Trillo B. 30 (ENCB); 17 June 1984, M. Medina 2547, M. A. Barrios (ENCB).