478 PROCEEDINGS OF THE AMERICAN ACADEMY. 



mis; pappo crateriformi rlentato, dente imo hinc inde setifero ceteris 

 vel omnibus muticis. — Biol. Cent.-Am. Bot. ii. 83 (1881). Caelcstina 

 pctiolata Hook. & Arn. Bot. Beecliy, 433 (1841). Carclia petiolata 

 (Hook. & Arn.) Ktze. Rev. Gen. i. 325 (1891).— Nicaragua: ad 

 Realejo, Sinclair (lib. Kew., phot, in hb. Gray.). Species ut videtur 

 numquam reperta, ob dentibus pappi hinc inde setiferis transitionem 

 ad Sect. Euageratum monstrat. 



25. A. SCABRIUSCULUM (Benth.) Hemsl., perenne herbaceum vel 

 siiffruticosum decumbens plus minusve ramosum 1.3-9 dm. altum 

 primo aspectu glaberrimum tamen tactu plus minusve scabrum et 

 vero minute pilosiusculum; caule ramisque gracilibus ascendentibus 

 curvatis vel flexuosis f oliosis ; f oliis oppositis ovatis saepius acuminatis 

 serratis firmiusculis supra laete viridibus lucidis subtus dilutiore 

 viridibus opacis punctatis 2-5 cm. longis 1-3.5 cm. latis; petiolis 

 5-11 mm. longis glandulari-pubescentibus; corymbis (l-)3-7-capi- 

 tulatis simplicibus vel compositis longe pedunculatis; pedicellis 

 filiformibus puberulis saepius ca. 1 cm. longis; capitulis ca. 7 mm. 

 diametro ca. 75-floris; in^'olucri squamis angustis aciitissimis viridibus 

 2-costatis dorso crispe puberulis vel glabriusculis; corollis glaberrimis 

 limbum versus caeruleis, tubo gracili fauces cylindratas subaequanti ; 

 achaeniis nigrescentibus glabris ca. 2 mm. longis; pappo crateriformi 

 albido saepius 5-dentato 0.3 mm. longo. — Biol. Cent.-Am. Bot. ii. 83 

 (1881). Codcstina corymbosa Benth. Bot. Sulph. Ill (1844), pro 

 parte, non DC. C. scabriuscula Benth. ex Oerst. Vidensk. Meddel. 

 1852, p. 72 (1852). Carelia scabriuscula (Benth.) Ktze. Rev. Gen. i. 

 325 (1891).— Mexico: inter San Bias et Tepic, Sinclair (hb. Kew., 

 phot, in hb. Gray.). Guatemala, Fricdrichsthal f. Oerst. 1. c. 73. 

 Costa Rica: in graminosis decliA'itatis occidentalis montis ignivomi 

 El Vieja, alt. 610 m.. Oersted (hb. Kew., phot, in hb. Gray.). Nica- 

 ragua: Wright (hb. Gray., hb. U. S. Nat. Mus.), Masaya, Baker, n. 

 2220 (hb. Gray.). 



26. A. LUCIDUM Robinson, fruticosum ramosum 4-5 dm. altum 

 decumbens; caulibus nodosis flexuosis maturitate a cortice grisea 

 tectis; ramis curvato-ascendentibus plerisque in media parte prae- 

 sertim foliosis; foliis oppositis firmis ovatis acutis basi angustatis 

 acute serratis 1.5-4.5 cm. longis 7-20 mm. latis glabriusculis vel plus 

 minusve scabridis supra laete viridibus lucidis veniis prominulentibus 

 albidis subtus dilutiore viridibus punctatis tenuiter reticulatis; corym- 

 bis laxis saepe compositis; capitulis pro genere majusculis 9-10 mm. 

 diametro ca. 80-floris; involucri hemisphaerici squamis anguste lan- 

 ceolatis attenuatis viridibus 2-costatis crispe puberulis; corollis albis 



