[Vol. 



— 



614 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



3044 (Field Mus. Herb, and Mo. Bot. Gard. Herb.) ; Mt. Popo- 

 catepetl, 7 and 8 Aug., 1901, Rose & Hay 6069 (U. S. Nat. 



Herb.) ; without locality, Uhde 582, 602, 603, 609, 624 (Berlin 



Herb.) ; without locality, coll. of 1848-49, Gregg 673 (Gray 

 Herb. ) . 



Michoacan: Angangueo, Hartweg 313 (Berlin Herb.); 



cool summits of mountains near Patzcuaro, 2 Aug., 1892, 



Pringle 4129 (Gray Herb., U. S. Nat. Herb, and Mo. Bot. 

 Gard. Herb.). 



25. S. pinnatisectus DC. Prodr. 6 : 427. 1837 ; Hemsl. Biol. 

 Cent.-Am. Bot. 2 : 245. 1881 ; Greenm. Monogr. Senecio, I. 

 Teil, 23. 1901, and in Engl. Bot. Jahrb. 32 : 19. 1902. 



Cineraria pinnata La Llav. & Lex. Nov. Veg. Descr. fasc. 1, 

 26. 1824. 



An herbaceous perennial; stem erect, 4 dm. or more high, 

 striate, glabrous or slightly tomentulose; leaves pinnately 

 divided, the lower petiolate, including the petiole 1 to 3 dm. 

 long, 3 to 8 cm. broad, the upper sessile and amplexicaul, at 

 first white floccose-tomentulose, later glabrate except for the 

 persistent tomentuin along both sides of the rhachis; lateral 

 divisions of the leaf narrowly oblong, sharply serrate-dentate, 

 terminal division obovate-cuneate ; inflorescence a terminal 

 compound compact corymbose cyme ; heads numerous, 6 to 7 

 mm. high, radiate; involucre calyculate, glabrous; bracts of 



the 



7 



flowers commonly 6 to 8; disl 



flowers 15 to 20; achenes glabrous. 

 Distribution : southern Mexico. 

 Specimens examined : 



Hildalgo: Real del Monte, Ehrenberg 386 (Berlin Herb. 



and Gray Herb.), also 386*, 386 h (Berlin Herb.); Eeal del 

 Monte, coll. of 1830, Graham (Gray Herb, and Kew Herb.). 



Michoacan (?): Angangueo, Chrismar (Berlin Herb.); 

 "Cuesta de las papao Angangueo," Schiede (Berlin Herb.). 



Mexico, without definite locality: Bates, Mackenzie, and 

 also Parkinson (Kew Herb.). 



This species is closely related to the preceding, but differs 

 in the narrower lateral leaf-segments, slightly smaller heads, 



