14 ROBINSON 
angustatis ciliolatis; corollis albis, tubo proprio vix 1 mm. longo, 
faucibus subcylindricis ca. 3 mm. longis, limbi dentibus deltoideis 
0.5 mm. longis fusco-olivaceis cum faciebus glandulari-atomiferis et 
angulis costiformibus laevibus multo pallidioribus; pappi setis ca. 
35 flavescenti-albidis corollam subaequantibus.—CoLomsta: twi- 
ning in thickets by streams, Las Nubes, alt. 1373 m., 16 Dec. 1898, 
H. H. Smith, no. 634 (N. Y., Gr.). An unusually neat and handsome 
species. 
M. (§ Corymbosae) filicifolia, spec. nov., gracilis herbacea pros- 
trata patenter ramosa; caule sulcato-costato vel leviter angulato 
purpurascenti-brunneo ca. 2 mm. crasso primo crispe puberulo mox 
glaberrimo; foliis bi- vel etiam tri-pinnatim divisis 2-3 cm. longis 
1.5-2.4 em. latis triangularibus graciliter petiolatis; rhachibus crispe 
puberulis; segmentis ovato-ellipticis vel suborbicularibus saepe peti- 
olulatis obtusis (terminali saepius lanceolato acutoque) 3-6 mm. 
diametro integris paullo puberulis saltim subtus in costa media; 
corymbis trifidis 4-7.5 em. latis planiusculis puberulis; pedicellis 
gracilibus -1.5-2.5 mm. longis; bracteolis late ovatis acutis herbaceis 
2.5-4 mm. longis; capitulis ca. 8-mm. longis; involucri squamis 
lanceolati-linearibus attenuatis stramineis ca.-7 mm. longis basi 
paullo callosis; corollis 5.5 mm. longis glabris tubo proprio 3 mm. 
longo gracili; faucibus 1 mm. longis vix ampliatis; dentibus limbi 
anguste oblongis 1.5 mm. longis; achaeniis (valde immaturis) deor- 
sum decrescentibus 5-costatis summa in parte in discum pappiferum 
paullo expansis; pappi setis 40 vel pluribus delicatule capillaribus 
albis apicem versus non incrassatis.—Perv: a trailing vine, Machu 
Picchu, Dept. Cuzco, alt. 2100 m., 0. F. Cook & G. B. Gilbert, no. 
853 (U. S., phot. and fragm. Gr.). a 
M. (§ Corymbosae) flabellata Rusby in herb., volubilis ut 
videtur herbacea vel subherbacea; caulibus aliquando 5 m. longi- 
tudine attingentibus teretibus fistulosis infirmis striato-costulatis 
glaberrimis; internodiis 1 dm. longis vel ultra; foliis oppositis late 
elliptico-ovatis acuminatis remote obscureque denticulatis bast 
rotundatis ca. 17 cm. longis 10 cm. latis tenuibus membranacels 
juventate subtus obscure puberulis maturitate utrinque glabris 
paullo supra basin 5(—7)-nervatis; nervis a venis aliquid irregulariter 
transversis conjunctis; inflorescentiis axillaribus compositis 4-6 cm. 
latis foliaceo-bracteatis pedunculatis; corymbis particularibus oppeer 
tis pedunculatis compositis 4-6 cm. latis planiusculis subdensis gla- 
bris; pedicellis 1-8 mm. longis; bracteolis herbaceis spatulatis ©. 
9 mm. longis; capitulis 15-17 mm. altis; involucri squamis 10-11 mm. 
