124 Senecio Steyermarkii Greenm., sp. nov. nango, alt. 1150 m

124
CEIBA
VoL. 1
Senecio Steyermarkii Greenm., sp. nov.
Frutrx u que a d 5 m. a ltu ; ra mi ramuli sque ju venla le
fl occo ·o-tomentulosis, plu minu ve gla bra tis ; folii s a lternis,
pe ti ola ti ·, elli pti co-ova ti ;:;, 1-2 dm. longis, 4 -10 em . la ti s
ju ven ta le upra Ilocr ulo!'o-tom entulo is sed mox gl a bratis, subtu den e et pel , i tenter, ba i in petiolum sensim a ngustatis.
ad apieem ac uti s, ubiutegri s ve l p<nce sinuato-denticula tis :
peti oli::. 2.5-8 em. long i-;; inflorescentii s lerm ina libus, d t>nse
corym bo-ry m o~ i ~:,. multi capitati ; capituli heter oga mis circiter
8 m m. a lti , radia lis; involucri s campa nul a tis, ca lycul a tis ;
in vo lu cri squ a mi
ple rumque 8, linea r ibu vel oblongola nceo la ti~:, 4-5 nun. ]ong is, ac utis vel obtu:.i ; fl or ibus f t>mine i:.
plerumque 3, fl avi ; fl oribu-; di:.ci 10 , Il a vis; achaenii gla bri .
GuATEl\lA L\: nt>a r ca fe ta l oJ Iinca oleda d , 8 kms. south ea:.l oJ Ba rill as. S ie rra d e los Cuchum a la nes, dept. Huhuetena ngo, a lt. 1150 m., Jul y 26, 19-t2, Steyermark 49.556 (TYPE
in . Io. Bo t. Ga rd . ISOTYPE in Chicago 1\a t. Hi t. Mus.) .
This spec ies belongs in t.he section Terminales and it is
allied to S enecio chicharrensis and S. serraquit chensis Greenm. ,
Irom which it is readily sep a rated by the dense a nd pe rmanent
white flo ccose tomentum on th e und er leaf-surface.
SENECIO ZlMAPANICUS H ems!., Bioi. Cent.-Am. Bot. 2 :
248. 1881; Greenm., Monogr. Senecio, I. T eil, 23. 1901, a nd
in Engler's Bot. J a hrb. 32 : 19. 1902.
MEXICO: flowe rs yellow, scattered on the gravelly arroyo
floor, canyon below Las Canoas on Cerro Potos i, munic ipio
d e Galr ana, Nuevo L eon, July 20, 1935, Mu-eller 2240 (Mo.
Bot. Gard. ).
A
EW NAME FOR A CENTRAL AME RI CA N ILEX
E . D. Merrill
l'vh ATTENTION wa
called to this case "'hile examunng tlw
flex ma teri al in the herbarium of the E c uela Agricola
P ana mericana in F ebruary 1950. W h en I saw the la belled
specimens I immedia tely reme mbe red tha t. in 1908 I had used
the na me flex gracili pes fo r a very diJJe renl Philippine s pecies.