ROSE MEXICAN \M» CENTRAL \Ml.i:i< \N PLANTS. L29 



examination of mature fruit shows clearly thai it does not belong to the true Peuce- 

 « la in 11 1 1 of the < >1«1 World or to the recently segregated genus Lomatium. 

 The following specimens are in the National Herbarium: 

 Jalisco: Volcano de Colima, M. E.Jones, L893 qo. 235 , 

 Mexico: NTevado de Toluca, C. <>. Pringle, L892 do. 1233 . .1 90 Rose & Painter, 



L903 no. 7960 ; Sierra de las Crucis, C. G. Pringle, L903 do. 59 

 Hidalgo: Sierra de Pachuca, C. <-. Pringle, L902 (no. 9816 ; also Rose & Hay, 



L901 do. 5596 . 

 Puebla: Mount Orizaba, II. E. Seaton, L891 do. L18 ; also Rose & Hay. L901 

 do. 5717 . 



Deanea tuberosa ( oult. & Rose. 



Collected by J. N. Rose and .1".-. II. Painter, Dear El Salto, Hidalgo, September 

 L6, L903 (no. 7064); also in barranca of Rio Aqueducto, near Santa Fe, Valley of 



Mexico. July L5, L905 do. 8618). 



ERYNGIUM, NEW AND OLD SPECIES. 



Eryngium altaniiranoi Hemsley .v Rose, Bp. nov. 



Stems erect, 30 to 50 cm. high, simple below, much-branched above; basai Leaves 

 deeply cleft, the edge with a white cartilaginous margin extending beyond the teeth 

 into long white Betae; Dpper stem and floral Leaves sessile, deeply parted; heads 

 Bhort-peduncled, rarely 2 em. long, ovoid, Hi cm. Long; bracts few, ovate, pui e 

 entire or bearing one or even two teeth on each side, the margin white and the inner- 

 face cartilaginous and white, Dsually erect, inclosing the heads; bractlets linear. 

 pungent, somewhat Longer than the sepals; sepals ovate, thin, mucronate-tipped; 

 fruit papillose, the papillae usually obtuse. 



Type r. S. National Herbarium do. 253003, collected by F. Altamirano, October, 

 L891 (no. 2Q). 



Common on the plain- near Guadalajara. 

 Specinu ns examined: 



Jalisco: C. G. Pringle, 1902 (no. 9814), and L903 (no. L1462 ; Dr. E. Palmer. 

 L886(no.458); Rose & Painter, 1903 (no. 7338 : F. Altamirano, 1891 do.20 . 



Eryng-ium carlinae Delar. 



Collected by J. N. Etose and Jos. II. Painter near Tultenango, Mexico, October 13, 

 L903 do. 7823 : also between Somoriel and Las Lajas, Hidalgo, Augusl : >. L905 no. 

 9220 . 



Eryng-ium comosum Delar. 



Collected by J. X. Rose and Jos. II. Painter near El Salto, Hidalgo, September L6, 

 L903 do. 7097 ; also on rocky banks of streams Dear San Angel, Valley of Mexico, 

 August 15, L905 (no. 9492 . 



Eryngium confusum Hemsley &, Rose, sp. dov. 



stem.- from a slender Bpindle-shaped root, 20 to 45 cm. high, Daked below, with 

 scattered branches above and an ombel of usually 6 branches, glabrous; basal 

 lea\e- oblanceolate, 5 to 8 cm. Long, deeply toothed or cleft, rarely doubly cleft; 

 Lower stem Leaves somewhal similar; upper stem Leaves short, deeply cleft into nar- 

 row spinescenl entire or toothed Lobes; head- Bhort-peduncled 2 to 5 cm. long ; 

 involucre bracts narrow, entire or with a tooth on each side, ending in a si 

 spinescent tip, Longer than the head-, ascending; head- ovoid, 10 to 1- mm. Long; 

 bractlets .-mall, a little Longer than the calyx teeth, except the central ones, these 

 much elongated, resembling the bracts; sepals broadly ovate, keeled on the back, 

 and strongly mucronate at tip. bluish-tinged; fruit covered with white acuminate- 

 pointed scales. 



