476 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Rose, n. 2538 (hb. Gray.); Puebla, in collibus calcareis prope Amozac, 
alt. 2300 m., Pringle, n,.9542 (hb. Gray.) glabriusculum; Chihuahua 
aust.-occ., Palmer (anno 1885), n. 31 (hb. Gray., hb. U.S. Nat. Mus., 
hb. J. D. Sm.) griseo-tomentosum, prope urbem Chihuahuam, Pringle, 
n. 669 partim (hb. Gray., hb. J. D. Sm.). 
Var. latifolium (DC.), comb. nov., erectum saepius simplex; foliis 
ovatis magnis 7-10.5 em. longis 4-6 cm. latis gradatim acuminatis 
acutis acute serratis plerumque tenuibus vix vel haud reticulatis 
subtus tenuiter molliterque pubescentibus; corollis glandulosis et 
pilosis caeruleis.— Coelestina ageratoides HBK. Nov. Gen. et Spec. 
iv. 151 (1820)! et var. B latifolia DC. Prod. v. 108 (1836)! — Mexico: 
sine loco indicato (hb. DC., phot. in hb. Gray.); Michoacan, inter 
Aguasarco et Ario, Humboldt & Bonpland (hb. Par., phot. in hb. Gray.); 
collibus aridis, Patzcuaro, Pringle, n. 3599 (hb. Gray.); Morelos, in 
valleculis praeruptis montanis prope Cuernavacam, Pringle, n. 9843 
(hb. Gray., hb. U.S. Nat. Mus.); Holway, n. 3509 (hb. Gray.); Yau- 
tepec, Holway, n. 5235 (hb. Gray.); Sinaloa, Lodiego, Palmer (anno 
1891), n. 1587 (hb. Gray., hb. U. S. Nat. Mus.). 
Forma albiflorum, forma nov., precedenti simillimum differt corol- 
lis albis— Mexico: Morelos, in collibus prope Yautepec, alt. 1220 m., 
Pringle, n, 9842 (hb. Gray., hb. U.S. Nat. Mus.). 
J Var. euryphyllum, var. nov., foliis late ovatis vel rhomboideo- 
ovatis obtusis grosse crenatis 4-6 cm. longis 3-4 em. latis; corollis 
caeruleis glandulosis vix pilosis— Mexico: San Luis Potosi, alt. 
1830-2440 m., Parry & Palmer, n. 315. (hb. Gray., hb. U. S. Nat. 
Mus.), n. 318 (hb. Gray., hb. U.S. Nat. Mus.), prope Alvarez, Palmer 
(anno 1902), n. 101 (hb. Gray., hb. U. S. Nat. Mus.); Nuevo Leon, 
Monclova, Palmer (anno 1880), n. 427 (hb. U. S. Nat. Mus.); 
Zacatecas, in montibus prope Plateado, Rose, n. 2739 (hb. Gray J; 
sine loco indicato, Hartweg, n. 142 (hb. Gray.). : 
Var. jaliscense, var. nov., foliis elliptico-lanceolatis breviter petiola- 
tis 6-8 cm. longis 2.3-3 em. latis grosse serratis vel crenato-dentatis 
vel etiam lobulatis firmiusculis scaberrimis reticulatis; corollis caeru- 
leis glandulosis parce pilosis— Mexico: Jalisco ad Chapalam, Palmer 
(anno 1886), n. 715 (hb. Gray., hb. U.S. Nat. Mus.). ; 
Forma lactiflorum, forma nov., precedenti simillimum differt 
“ eorollis albis— Mexico: Jalisco, ad Tequilam, Palmer (anno 1886), 
no. 351 (hb. Gray., hb. U.S. Nat. Mus., hb. J. D. Sm.), ad Guadala- 
jaram, n. 290 (hb. Gray., hb. U. S. Nat. Mus., hb. J. D. Sm.), Via — 
inter Huejuquilla et Mesquitec, Rose, n. 2585 (hb. Gray.)- 
var. longipetiolatum, var. nov., foliis elongatis lanceolato- 
