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I. NEW SPECIES OF CUBAN SENECIONE^E. 



By J. M. GREENMAN. 



Dr. N. L. BRITTON has kindly submitted to the writer for identifica- 

 tion a very unusual assemblage of Senecionea from Cuba collected by 

 Mr. J. A. SHAFER in 1909 and 1910. The results of a study of this 

 remarkable series of specimens are recorded as follows: 



Senecio Brittonii Greenman, nom. nov. Cacalia discolor Griseb. Cat. PI. 



Cuba, 157 (1866), not Senecio discolor (Sw.) DC. Prodr. vi. 412 (1837). 



Frutex 1-2 m. alitus; ramis teretibus dense lanato-tomentosis plus 

 minusve glabratis; foliis alternis petiolatis lanceolatis 4-8 cm. longis 

 1-1.5 cm - latis obtusis juventate supra arachnoideo-tomentulosis mox 

 glabratis maturitate pallido-viridibus sublucidisque subtus persistenter 

 tomentosis obscure nervatis marginibus integris revolutisque basi 

 sensim angustatis; petiolis 8 mm. vel minus longis; inflorescentiis ter- 

 minalibus corymbo-cymosis multicapitatis ; capitulis discoideis ca. i cm. 

 altis calyculatis; involucri squamis 5 lineari-lanceolatis 6-7 mm. longis 

 acutis arachnoideo-tomentulosis; floribus 5, corollis albido-ochroleucis; 

 pappi setis albis corolla brevioribus; achaeniis hirtellis. Along rivu- 

 3 lets in "pinales," Mulgajita, Cuba, C. Wright, no. 2870 (hb. Gray); 

 in arroyos on a palm barren, Santa Clara, Province of Santa Clara, 

 Cuba, 21, 22 March, 1910, N. L. Britton & J. F. Cowell, no. 10180 (hb. 

 Field Museum cat. no. 294752, and hb. N. Y. Bot. Garden). 



' Senecio carinatus Greenman, sp. nov. 



Frutex 1-1.5 m. altus; ramis subancipito-angulatis dense tomentosis; 



i foliis alternis rhomboideo-ovatis 3-8 cm. longis 1-3 cm. latis acutis 



remote sinuato-dentatis basi integris cuneatisque supra glabris et sub- 



lucidis subtus fulvo-tomentosis ; petiolis usque ad 1.5 cm. longis; in- 



r^florescentiis terminalibus corymbo-cymosis multicapitatis tomentulosis ; 



fr- capitulis i cm. altis discoideis calyculatis; involucri squamis 5 oblongis 



7 mm. longis 2-2.5 mm. latis obtusis glabris vel juventate sparse 



* arachnoideis ; floribus 5; corollis infundibuliformibus flavibus vel flavo- 



} albidis 5-dentatis ; pappi setis albis corolla brevioribus ; achaeniis pubes- 



centibus. On rocky banks of river, vicinity of Camp San Benito, 



" Oriente, Cuba, altitude 900 m., 24 February, 1910, /. A. Shafer, no. 



', 4079 (hb. Field Museum, cat. no. 300837, and hb. N. Y. Bot. Garden). 



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