238 ROBIXSON. 



apicem costatis, exterioribus gradatim bre\doribus et angustioribus. — 

 Colombia: without precise locality, Humboldt & BonpJand (Par., 

 phot. Gr.); also later collected by many others; see p. 321. 



Var. caucense, var. nov., involucri squamis subaequalibus plerisque 

 oblanceolatis apicem versus tenuioribus et magis herbaceis ^'ix costatis 

 dorsaliter magis pubescentibus ; aliter var. iypico simillimum. — 

 E. baUotacfolhim Hieron. in Engl. Bot. Jahrb. xxviii. 575 (1901), not 

 exactly of HBK. — Colombia : in the upper Cauca Valley, under low 

 isolated thickets on savannahs near Anserma Nueva, alt. 1000 m., 

 Lchmann, no. 3279 (type Gr.); common in scattered bushy places 

 on savannahs along the Rio Paez, Lchmann, no. 5675 (U. S.). 



E. CELTiDiFOLiUM Lam., var. hirtellum, var. nov., arborescens 

 3-6 m. altum; inflorescentiae ramis et ramulis et pedicellis crispe 

 hirtellis, pilis brevibus flexuosis; achaeniis non solum in costis sed 

 etiam in faciebus hirtellis; aliter omnino ut apud var. typicum An- 

 tillum. — Colombia: Dept. Magdalena, locally common in dry forest 

 near Bonda, below alt. 150 m.. May, 1852, L. Schlim, no. 909 (K., 

 phot. Gr.). 



In the typical variety, as it grows in Martinique and Dominica, the 

 subdivisions of the inflorescence are glabrous and the achenes are 

 hairy almost exclusively on the ribs and very slightly if at all on the 

 faces. 



E. (§ Eximbricata) chiriquense, spec, nov., fruticulosum 2.5- 

 3 dm. altum; caule fusco paullo decumbente vel suberecto fastigiatim 

 dichotorae vel trichotome ramoso; ramis erectis foliosissimis atro- 

 purpureis strigillosis infra post foliorum delapsum nudis fuscis nodu- 

 losis lignescentibus; internodiis 3-9 mm. longis; foliis oppositis 

 subsessilibus ovatis 1-2.5 cm. longis 6-15 mm. latis acutatis vel 

 acuminatis ad apicem verum obtusiusculum crenato-serratis subcoria- 

 ceis supra viridibus glabris rugulosis subtus vix pallidioribus in nervis 

 venisque pubentibus a basi 3-nerviis; petiolo vix 1 mm. longo; 

 corymbis ramos terminantibus multicapitulatis densiusculis 3-5(-8) 

 era. diametro convexis; pedicellis filiformibus longiusculis glandulari- 

 pubescentibus; capitulis ca. 26-floris 9 mm. altis 8 mm. diametro; 

 involucri campanulati squamis ca. 14 linearibus obtusis subaequalibus 

 (1-2 extimis brevioribus exceptis) dorso glandulis minutis stipitatis 

 praeditis; corollis ut vitletur albis vel forsan roseis 5 mm. longis, tubo 

 proprio 1.7 mm. longo, faucibus campanulatis distincte ampliatis 2.5 

 mm. longis, dentibus limbi 5 deltoideis 0.8 mm. longis; achaeniis atro- 

 bninneis 2 nun. longis in costis hispidiilis; pappi .sotis ca. 19 capil- 

 larihus \ix scabratis 3.5 mm. longis roseis. — Pa.\a>l\: among rocks, 



