24 PB0CKKDING8 OF THE AMERICAS ACADEMY. 



glabro imtanti ; tilamentis glabris ; Btylo 1 cm. longo; eapsnla ca. 1 cm. 

 diametro obtuse 3 lobata subsphaerica ; Beminibus viridesoenti griseis 

 angulatis 6 mm. longis. ■ — Canon walls of limerock, Iguala Canon, 

 near Iguala, (iuerren>, Mexico, alt. iiin m., "_'* l>eei'inlier, 1 '.«< »»",, ('. (,'. 

 Pringle, do. 13,914 (typo, in hb. Gray). This noteworthy .-peril' 

 probably the most showy of the genus. It differs from P. bracteatua 

 Jacq.) Boiss. in having pnbesoent leaves, denser inflorescence, and 

 larger much more caudate -acuminate and strongly colored brad 



Bonplandia linearis Robinson, n. sp., herbaeea ramosa dense caes- 

 pitosa gracilis 4 dm. vel ultra altaubique glandnloso-pnbesoens ; ramis 

 erect is ve] ascendentibus ; foliis al tern is anguste linearibus 3— 4.5 cm. 

 longis vix 2 mm. latis sessilibus attenuatis cum lobis lateralibus 2 an- 

 gustis late patentibua instructis; racemis erectis Laxifloris 1—1.5 dm. 

 longis; Horibus saepissime geminis in pedicellis erecti- ca. I cm. longis 

 nutantihus; calyce tubuloso 15-striato et venoso-reticulato anthesi 8 

 fructifero 11 mm. Longo leviter curvato paulo nigrescenti, dentibus 

 lanceolato-deltoideis acutis ; corolla cyanea ca. 2 cm. Longa ; tubo gra- 

 cili ad orem calycis leviter deilexis ; lobis anguste obovatis retusis late 

 patentibus ca. 12 mm. longis; filamentis subaequalibua glabris longe 

 exsertis; stylo nliformi glabro, ramis stigmatiferis ;; linearibus papil- 

 losis 1.2 mm. longis; ovario ovoideo glabro. — Lava fields, near Com 

 - ttion, above Uruapan, Michoacan, Mexico, 2 6 January, 1907, C. G. 

 Pringle, no. 10,364 (type, in hb. Gray). This species obviously belongs 

 to the hitherto monotypic genus Bonplandia. It differs strikingly fri im 

 the common />'. gerniniflora Cav. in its narrowly linear leave-. 



Brittonastrum Barberi Robinson, n. sp., herbaceum 1-ti dm. vel ul- 

 tra altum ; caulibus gracilibus suberectis simplicibus basi rubescentibus 

 alibi pallide viridibus ubiipie crispe griseo-pubernlis ; foliis ovato-lance- 

 olatis crenatis obtusis vel superioribus acutis vel etiam Bubattenuatis 

 L'-:;.."i cm. longis 1-2 cm. latis subtus pallidioribus utrimpie crispe griseo- 

 puberulis superioribus distantibus ; petiolis 2-5 mm. longis; inflore- 

 soentia anguste paniculata 8-22 cm. longa 5 cm diametro superne 

 densiuscula ; bracteis inferioribus hmceolatis subsessilibus 1-1. 5 cm. 

 longis superioribus valde reductis; inflorescentiis Becundariis ascen- 

 dentibus multifloris griseo-puberulis vel -pulverulis inferioribus plus 

 minusve distantibus ; braoteolis subulatis minimis et pedicellis pur-' 

 purascentibuB j calyce anguste tubulato anthesi deorsum attenuate 

 fructifero deinde turgido LO-12 mm. longo pulcherrime pur]>urco 

 griseo-puberulo et atomifero, dentibus lanoeolatis parvis acutis erectis 

 1. 5-2 mm Longis; corolla molliter puberula anguste tubulata leviter 

 curvata 2.6 cm. Longa, Limbo valde ringenti, labio su peri ore erecto Bub- 

 cucullato inferiore dellexo ca. 2 mm. longo; staminibus juxta labium 



