18 ROBINSON. 



DC. Under these circumstances it appears unwise to describe a 

 Eupalorium irichotommn Sch. Bip. in another sense. Therefore, an 

 entirely new name is here chosen. 



E. (§ Subimbricata) gracilentum, spec, nov., herbaceum perenne 

 gracile 3-4 dm. vel ultra altum; radice e fibris paucis gracilibus 

 lignescentibus elongatis sistente; caulibus solitariis vel pluribus 

 teretibus purpurascentibus sordide puberulis vel tomentellis; foliis 

 oppositis detoideo-ovatis acutis vel acuminatis crenato-dentatis basi 

 rotundatis vel truncatis vel subcordatis integris 1.8-3 cm. longis 

 1.1-2.3 cm. latis tenuibus membranaceis supra pubescentibus subtus 

 griseo-tomentosis ima a basi 3-ner\atis; petiolo tenui 4-8 mm. longo 

 griseo-pubescente ; capitulis ca. 25-floris 6 mm. longis 3.7 mm. diame- 

 tro in cymos laxos 1-4-capitulatos ad apices ramorum patentium 

 gestis in paniculam laxam foliaceo-bracteatam dispositis; involucri 

 anguste campanulati squamis ca. 19 subtriseriatis stramineis, inte- 

 rioribus lanceolato-ellipticis obtusis laeviusculis 2-3-costulatis scarioso- 

 marginatis, intermediis et extimis gradatim brevioribus ovato- 

 lanceolatis acutis vel acuminatis brunneo-puberulis ; corollis veri- 

 similiter albis limbo excepto glabris; tubo proprio 0.7 mm. longo 

 faucibus paullo ampliatis cylindricis 2.3 mm. longis; achaeniis 1..5 mm. 

 longis fusco-brunneis, costis paullo pallidioribus hispidulis; pappi 

 setis ca. 27 delicatule capillaribus sublaevibus albis. — Peru: without 

 locality, Mathews (N. Y., phot. Gr.). 



E. (§ Subimbricata) hylophilum, spec, nov., herbaceum ut 

 videtur erectum obscure praecipue in novellis pulverulenti-puberulum; 

 caule tereti flexuoso folioso pallide griseo-brunneo ; foliis oppositis 

 anguste lanceolatis utroque attenuatis peracutis subsessilibus remote 

 denticulatis (dentibus 0.5-0.7 mm. altis inter sese ca. 1 cm. distantibus) 

 supra glaberrimis viridibus subtus distincte pallidioribus nervo medio 

 obsolete puberulis penniveniis (venis intra marginem anastomo- 

 santibus) ca. 1 dm. longis 1 cm. latis tenuiter membranaceis; panicula 

 terminali ovoidea subthyrsoidea; ramulis pedicellisque fere filiformi- 

 bus incurvato-puberulis ; capitulis 5-6 mm. altis 2.6 mm. diametro 

 ca. 21-floris; involucri squamis ca. 25, 3-4-seriatis gradatis stramineis 

 tenuibus striatulis apicem versus griseo-tomentellis ; corollis albis 

 glabris graciliter tubulosis 3 mm. longis paullulo apicem versus 

 ampliatis, dentibus limbi 5 deltoideis dorso granulatis; styli ramis 

 cum appendice filiformi flexuosa papillato-puberula munitis; achaeniis 

 1.3 mm. longis nigris in angulis pallidioribus parce hispidulis; pappi 

 setis capillaribus albis vix scabratis ca. 28 mm. longis. — Colombia: 

 forest, alt. 150-300 m., Boca Esmeralda, on Rio Sinu, Dept. Bolivar, 



