536 ROBINSON. 



reductis linearibus pedicellos (2-7 mm. longos) obscure puberulos 

 longitudine paullo superantibus; capitulis parvis ca. 12-flons; in- 

 volucri vix imbricati squamis 7-10 linearibus acutis minute puberulis 

 crassiusculis maturitate stellatim patentibus ad 5 mm. longis; flos- 

 culis 6.8 mm. longis; corolla tubiformi granulata sursum paullo am- 

 pliata 3.6 mm. longa, limbi dentibus deltoideis brevibus patentibus; 

 antheris apice cum appendice ovata membranacea munitis; achaeniis 

 gracilibus deorsum attenuatis ca. 3.2 mm. longis 5-angulatis costulis 

 secundariis 1-2 inter costas primarias hinc inde interjectis; pappi 

 setis sordidis ca. 30 vix barbellatis tenuibus corollam aequantibus. — 

 Cuba: moist banks, on the trail from Camp La Barga (alt. 450 m.) 

 to Camp San Benito (alt. 900 m.), Oriente, 22-26 February, 1910, 

 J. A. Shafer, no. 4105 (type, in herb. N. Y. Bot. Gard.; photograph 

 and fragment in Gray Herb.). 



EuPATORiUM ScHULTZii Schuittspahu, Zeitschr. d. Gartenbauver- 

 eins z. Darmst. 1857, p. 6. This species appears to have four dis- 

 tinguishable forms, which may be briefly characterized as follows: 



Forma typicum, pedicellis dense cum glandulis capitatis numero- 

 sissimis puberulis, pilis paucis non capitatis hinc inde interspersis ; 

 involucri squamis albidis, intermediis elliptico-oblongis apice ro- 

 tundatis glabris vel subglabris non ciliatis. — Represented in the Gray 

 Herbarium as follows : material cultivated in the Darmstadt Botanical 

 Garden and authoritively labeled by Schultz himself; also Vera 

 Cruz: Mirador, Liehmann, no. 41, Sartorius (without number); 

 Zacuapan, Purpus, no. 2372; Chiapas: C. & E. Selcr, no. 2219; 

 Costa Rica: Ojo de Agua, Hoffmann, no. 394, Rodeo de Pacaca, 

 Pittier, no. 3285, slopes of Rodeo, at 1100 m. altitude, Pittier, no. 

 1600; Guatemala: Cubelquitz, Depart. Alta Verapaz, alt. 350 m., 

 von Tuerckheim, no. 7888. 



Forma erythranthodium, forma nova, formae typicae simile sed 

 differt conspicuiter involucri squamis pulchriter purpureis. — Guate- 

 mala: Coban, altitude 1350 m., von Tuerckheim, no. II. 2090 (type, 

 in Gray Herb.). 



Forma velutipes, forma nova, formae typicae simile differt pedi- 

 cellis velutino-tomentellis vix vel solum obsolescente glandulosis. — 

 Guatemala: San Lucas Tollman, Solola, altitude 1560 m., 2 February, 

 1915, Prof. E. W. D. Holway, no. 170 (type, in Gray Herb.); Depart. 

 Guatemala, alt. 1525 m., J. D. Smith, no. 2373; on the volcano of 

 Tecuamburro, Depart. Santa Rosa, alt. 2135 m., Ileyde & Lux, no. 

 4515 (distrib. of J. D. Smith). 



Var. ophryolepis, var. nov., pedicellis dense cum glandulis capitatis 



