TERT ROURE ate 
‘ 
ROBINSON. — NEW SPERMATOPHYTES, CHIEFLY FROM MEXICO. 29 
pubescentibus margine saepe p i-hispidulis apice obtusis basi 
attenuatis ; corymbis 3~4 cm. ‘diametro convexis 10-20- capitulatis ; ca- 
pitulis 1.5 cm. longis breviter pedicellatis vel etiam sessilibus, bracteis 
linearibus 3~6 mm. longis herbaceis ; squamis involucri ca. 6 linearibus 
acutis purpureis 7 mm. longis pilis crispis atomisque resinosis tectis ; 
flosculis 5 ; corollis 8 mm. longis, tubo purpureo pubescenti gradatim a 
basi sursum leviter ampliato, limbo albo patenti 5-lobo, lobis oblongis 
obtusiusculis ; achaeniis gracilibus 5 mm. longis sursum praesertim in 
angulis hispidulis ; pappo e equamulis 5 albidis brevissimis et aristis 5 
purpureis — Sandia Station in moun- 
tains of northwest Durango, Mexico, alt. 2290 m., 12 October, 1905, 
CO. G. Pringle, no. 10,092 (type, | in hb. Gray). A species evidently re- 
lated to S. laxiflora BC. a serrata DC., but readily distinguished 
by its numerous separate de - nse aia and entire leaves. Named for 
Sr. Filemon L. Lozano, faithful and efficient companion and assistant 
of Mr. Pringle in his recent journeys to Mexico. 
> Srevia PLuMMeERAE Gray, var. durangensis Robinson, n. var., foliis 
tenuibus lanceolato-oblongis 6-9 em. longis 1.5-2 cm. latis supra mediam 
partem serratis nec dentatis supra pilis brevissimis crispis griseo-puber- 
ulis subtus molliter pubescentibus; corollis albis. — Barranca below 
Sandia Station, Durango, Mexico, alt. 2135 m., 13 October, 1905, C. G. 
Pringle, no. 10,106 (type, in hb. Gray). Nearer var. alba Gray, Syn. 
Fl. i. pt. 2, 92, “than to the typical form, but differing in its thinner 
larger less strongly reticulated and much more pubescent leaves. 
Eupatorium acutidentatum Robinson, n. sp:, herbaceum erectum 
6 dm. altum ; caule gracili tereti striato viridi vel purpurascenti crispe 
puberulo subsimplici vel modice oppositirameo ; foliis oppositis ovato- 
lanceolatis tenuibus argute serrato-dentatis basi cuneata et apice at- 
tenuato integris a basi 3—-5-nerviis 3.6—-5 cm. longis 1.8-2.2 cm. latis 
supra laete viridibus scabriusculis subtus vix pallidioribus in nerviis 
sparse pubescentibus, petiolo: puberulo ca. 5 mm. longo ; ; capitulis ca. 
12-floris 1 em. longis numerosis graciliter pedicellatis in corymbos valde 
convexos collectis, pedicellis 5-8 mm. longis griseo -puberulis ; invo- 
lucri squamis anguste oblongis vel lanceolatis attenuatis herbaceis 
griseo-puberulis inaequalibus laxe e imbricatis interioribus quam flosculis 
loadis Sache versns roseis rranca below Sandia Station, Durango, 
Mexico, alt. 2135 m., 15 October, 1905 1905, C. G. Pringle, no. 10,095 (type, 
in hb. Gray). This’ species is obviously close to EH. betulaefolium 
