418 RYDBERG: SOME SENECIOID GENERA—II 
22. Odontotrichum nephrophyllum Rydberg, sp. nov. 
Stem scapiform, brown-woolly at the base, about 4 dm. high, 
terete, puberulent; basal petioles 6-8 c m. long, densely crisp- 
culate, scabrous-puberulent on both sides; stem-leaves much 
reduced, lanceolate, sessile, those of the inflorescence lance- linear; 
fess s few, corymbose; involucre campanulate, glabrous, 5-6 
mm. high, 4-5 mm. broad, bracts 5-7, oblong, obtuse; flowers 
5-7; ate tube 4 mm. long; lobes linear, nearly 4 mm. long; 
achenes glabrous; pappus-bristles 4 mm. long, white, barbellate. 
Type collected in the state of Durango, August 13, 1897, 
J. N. Rose 2248 (U.S. Nat. Herb. no. 301162). 
23. Odontotrichum Purpusi (Greenm.) Rydb. 
Cacahia Purpusi Greenm., Univ. Calif. Publ. Bot. 4:95. 1910. 
The type came from Cacalote, Puebla, Purpus 3845. 
24. Odontotrichum globosum (Rob. & Fern.) Rydb. 
Cacalia globosa Rob. & Fern., Proc. Am. Acad. 30: 119. 1894. 
CuInUAHUA: Guachuchic, Hartman 522 (type). 
Duranco: E. W. Nelson 4769. 
25. Odontotrichum eriopodum (Klatt) Rydb. 
Senecio eriopodus Klatt, Leopoldina 24: 125. 1888. 
he type came from Sierra Blanca, ‘‘Mexico,’’ Ehrenberg 1. 
No specimens have been seen, but Klatt’s drawing of the type 
in the Berlin Herbarium, is now at the Gray Herbarium and 
a copy of this in our collection. 
26. Odontotrichum chiapense (Hemsley) Rydb. 
Senecio chiapensis Hemsley, Biol. Centr.-Am. Bot. 2: 238. 1881. 
Dr. Gray transferred the species to Cacalia. 
CuIapas: Giesbreght 537 (type); E. W. Nelson 3467. 
27. Odontotrichum napeaefolium (DC .) Rydb. 
Cacalia napeaefolia DC. Prodr. 6: 328. 1837. 
The type was collected in Sierra de San Filipe, Oaxaca, by 
Andrieux. Schultz Bipontinus transferred it to Senecic. 
Oaxaca: Pringle 4778; E. W. Nelson 1133. 
