416 RYDBERG: SOME SENECIOID GENERA—II 
13. Odontotrichum ampullaceum (Greenm.) Rydb. 
Cacalia ampullacea Greenm., Proc. Am. Acad. 34: 577. 1899. 
Hwa co: Pringle 9868, Sierra de Pachuca, 6917 (type). 
14. Odontotrichum amplifolium (DC.) Rydb. 
Cacalia amplifolia DC. Prodr. 6: 328. 1837. 
he type came from Sierra de San Filipe, Oaxaca, Andrieux. 
Schultz Bipontinus transferred the species to Senecio. 
Oaxaca: Pringle 4785; Purpus 3139; Smith 301; E. W. 
Nelson 1061. 
GUERRERO: FE. W. Nelson 2243. 
? VERACRUZ: F. Mueller 1610. 
15. Odontotrichum rumicifolium (Klatt) Rydb. 
Senecio rumicifolius Klatt, Leopoldina 24: 126. 1888. 
This species was based on Liebmann 237 from Combe de 
Estepa, Mexico. No specimens have been seen by me, but in 
Klatt’s herbarium, now at the Gray Herbarium, there is a tracing 
of the type in the herbarium of the Botanical Garden of Copen- 
hagen. A copy of this tracing is now here. 
16. Odontotrichum silphiifolium (Rob. & Greenm.) Rydb. 
Cacalia stlphiifolia Rob. & Greenm., Am. Jour. Sci. III. 50: 158. 
1895. : 
MEXIco: Sierra de las Crucis, Pringle 5251 (type); Pringle, 
64 
53: 
Morea: Rose & Hay 5311, 9080. 
17. Odontotrichum Goldsmithii (B. L. Robinson) Rydb. 
Cacalia Goldsmithii B. L. Robinson, Proc. Am. Acad. 43: 45- 
1907 
This species may not be distinct from the preceding. 
Jalisco: Hacienda San Marcos, Goldsmith 8 (type). 
H1patco: Rose, Painter & Rose 9187. 
18. Odontotrichum scabrum Rydberg, sp. nov. 
Stem about 8 dm. high, leafy, striate, scabrous-puberulent; 
basal leaves long-petioled, the petioles about 2 dm. Mee blades 
broadly cordate, with an open sinus, 5~8 cm. long, 4-8 cm 
wide, sinuate-dentate, thick, dull, strongly Greater 3 hate 
