1538 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



3. Zaluzania raoUissima A. Gray, Proc. Amer. Acad. 15: 35. 1879. 

 Zacatecas, San Luis Potosi, and Puebla; type from City of San Luis Potosi. 

 Shrubby, about 1.5 meters high; leaf blades 2 to 5.2 cm. long, entire to crenate, 



cuneate to subcordate at base; heads 1 to 2.5 cm. wide, several or numerous; 

 phyllaries ovate to oval, obtuse. 



4. Zaluzania megacephala Schulta Bip. Flora 44: 563. 1861. 

 Ferdinanda augusta megacephala Schultz Bip. Flora 44: 563. 1861, as synonym. 

 Hidalgo and Coahuila; tj'pe from Real del Monte, Hidalgo. 

 Suffrutescent (?), about 60 cm. high, simple below the inflorescence; stem 



cinereous-puberulous; leaf blades 5 to 11 cm. long, 2 to 8 cm. wide, serrulate except 

 at the cuneate base; petioles 2 to 3 mm. long; heads about 2 cm. wide, several or 

 many. 



5. Zaluzania montagnaefolia Schultz Bip. Flora 44: 563. 1861. 

 Ferdinanda montagnaefolia Schultz Bip. AUg. Gartenz. 1858: 179. 1858, 



nomen nudum. 

 Zaluzania asperrima Schultz Bip. Flora 47: 218. 1864. 

 Zaluzania asperrima montagnaefolia Robins. & Greenm. Proc. Amer. Acad. 34: 



532. 1899. 

 Veracruz, Puebla, and Oa.xaca; type from between Veracruz and Orizaba. 

 Shrub; stem puberulous; leaf blades 2 to 6 cm. long, acuminate to obtuse, 

 coarsely crenate-dentate or the upper entire, rough above, griseous-pilosulous or 

 puberulous beneath; heads numerous, 1 to 1.5 cm. wide. 



6. Zaluzania coulteri Hemsl. Biol. Centr. Amer. Bot. 2: 159. pi. 46.- 1881. 

 Hidalgo; type from Real del Monte. 



Suffrutescent at base (?), simple below the inflorescence; leaf blades 6 to 12.5 

 cm. long, thin, serrulate, green above, pale and pilosulous beneath; heads about 

 1.8 cm. wide. 



7. Zaluzania pringlei Greenm. Proc. Amer. Acad. 39: 101. 1903. 

 Known only from the type localitj^, near Jojutla, Morelos. 



Shrub; branches puberulous; leaf blades ovate, 3.5 to 5 cm. long, 2 to 3.5 cm. 

 wide, subentire to crenate-dentate, puberulent beneath, on petioles 1 to 1.5 cm, 

 long; heads 6 to 7 mm. high. 



DOUBTFUL SPECIES. 

 Zaluzania cinerascens Schultz Bip. Flora 47: 219. 1864. This species, 

 based on Ehrenberg 346, from Mineral del Monte, Hidalgo, is insufficiently known. 

 It is probably not a member of the genus. 



56. BORRICHIA Adans. Fam. PI. 2: 130. 1763. 

 1. Borrichia frutescens (L.) DC. Prodr. 5: 489. 1836. 



Buphthalmium frutescens L. Sp. PI. 903. 1753. 



Diomedea hidentata Cass. Diet. Sci. Nat. 13: 283. 1819. 



Borrichia frutescens angustifolia DC. Prodr. 6: 489. 1836. 



Trimetra ficoidea Moc; DC. Prodr. 7: 262. 1838. 



Tamaulipas to San Luis Potosi and "Veracruz." Virginia to Texas; Bermuda; 

 type from "Jamaica, Virginia." 



Shrubby, about 1 meter high, the stems canescent-strigillose or glabrate; 

 leaves opposite, oblanceolate or obovate, 2 to 5.5 cm. long, entire or toothed, 

 densely canescent-strigillose, mucronate; heads solitary at tips of branches, 

 yellow, radiate, about 2.5 cm. wide; phyllaries spinescent-pointed; pales with stiff 

 spiny tips; rays and disk fertile; achenes quadrangular; pappus a 4-toothed crown. 



