32 ROBINSON. 



granulari-puberulo tardius subglabrato flexuoso oppositirameo folioso 

 \e\ basin versus delapsu foliorum nudato et nodoso; foliis oppositis 

 lanceolatis caudato-acuminatis argute serratis basi plerumque abrupte 

 angustatis vel subcuneatis 5-7 cm. longis 1.3-2.5 cm. latis penni- 

 veniis (sed 2-3 venis inferioribus vitroque latere aliis saepe distinete 

 majoribus) membranaceis utrinque obscure viridibus; petiolis 8-11 

 mm. longis nuUo modo muriculat.is; corymbis caulem ramosque 

 terminantibus valde convexis 8-10 cm. diametro laxiusculis; pediceUis 

 filiformibus ca. 1 cm. longis bracteolatis glabris vel obscure granulato- 

 puberulis; capitulis ca. 22-floris ca. 1 cm. longis et crassis; involucri 

 campanulati squamis ca. 20 linearibus attenuatis dorso parce granu- 

 latis vix costulatis apicem versus textura flaccidis; coroUis purpureis 

 vel roseis glabris pauUo sursum gradatim ampliatis 6.5 mm. longis; 

 achaeniis valde immaturis primo aspectu glabris parce granulatis 

 gracilibus obscure griseis cum costis pauUo pallidioribus; pappi setis 

 ca. 36 corollani subaequantibus scabridulis. — Peru: Dept. Ancachs: 

 among bushes in the gorge of a brook on the slopes of the Cordillera 

 Blanca, above Caraz, alt. 3200-3600 m., 9 June, 1903, Dr. A. Weber- 

 hauer, no. 3253 (type, Berl., phot, and fragm. Gr.); also among small 

 bushes on a brook, above Ocros, Prov. Cajatambo, alt. 3300 m. 

 2 Apr. 1903, Weberhaucr, no. 2766 (Berl., phot, and fragm. Gr.). 



A species closely simulating E. stictophyllum described below, but 

 having smaller impunctate feather-veined leaves and petioles without 

 muriculate roughening. 



E. soLiDAGiNOiDES HBK., var. Armourii, var. nov., foliis bracteis- 

 que triangulari-hastatis basi profunde cordatis; lobis basilaribus 

 acutiusculis patenti-deflexis ; dentibus marginis rotundatis. — Mex- 

 ico: Palenque, Chiapas, Feb., 1895, A. V. Armour, no. 1 (Field 

 Mus., phot. Gr.). This pla'nt is exceedingly puzzling. The hastate 

 lobing and deeply crenate instead of serrate-dentate margins of the 

 leaves give it a very different appearance from the usual forms of E. 

 solidaginoidcs HBK. However, the species exhibits considerable 

 variability and specimens have long been known (e. g. Pringle, no. 

 3956, from limestone ledges, Tamasopo Canon, San Luis Potosi) in 

 which the leaves are in a similar manner cordate by a deep and narrow 

 sinus and exhibit some tendency to become hastate through the pro- 

 duction of an external basal angle at least on one side. It seems 

 probable, therefore, with such approaches already evident, that com- 

 plete intergradation as to foliage will ultimately be found between the 

 typical form and the present variety*-, notwithstanding its striking 

 character. In all traits of inflorescence, flowers, achenes, etc., the 



