1544 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



reticulate beneath; heads 2.5 cm. wide, in contracted cymes or cymose panicles 

 of 3 to 15; phyllaries densely granular-tuberculate, hispidulous-ciliolate. 



9. Viguiera seemannii Schultz Bip. in Seem. Bot. Voy. Herald 305. 1856. 

 Oyedaea seemanni A. Gray, Proc. Amer. Acad. 19; 10. 1883. 



Known only from the type locality, Sierra Madre of northwestern Mexico. 



Frutescent; stem denselj^ tuberculate-setulose and hispidulous; leaf blades 

 4 to 10 cm. long, harshly tuberculate-setulose above, hispid-pilosulous beneath 

 and reticulate; heads 1.7 cm. wide, subsessile in cymes of 3 to 5; phyllaries tuber- 

 culate and hispidulous. 



10. Viguiera laciniata A. Gray in Torr. U. S. & Mex. Bound. Bot. 89. 1859. 

 Northern Baja California. California; type from Rancho Gamacha, east of 



San Diego. 



Frutescent, up to 1.3 meters high; leaves alternate, the blades lanceolate to 

 lance-ovate, 1.5 to 3 cm. long, lacinately repand-lobate, green and tuberculate- 

 hispid on both sides; heads 1.7 to 2.7 cm. wide, in cymose panicles of 3 to 13; 

 involucre 6 mm. high, hispidulous. 



11. Viguiera subincisa Benth. Bot. Voy. Sulph. 27. 1844. 



Known only from the vicinity of the type locality, Magdalena Bay, Baja 

 California. 



Suffrutescent (?) or herbaceous, about 60 cm. high; leaves opposite below, 

 alternate above, the blades ovate, 4.8 to 6.3 cm. long, incisely jagged-serrate 

 with 5 to 10 pairs of triangular teeth; heads 1.4 to 3.5 cm. wide, 12 to 26 in a 

 narrow long-peduncled panicle; involucre 3.5 mm. high, strigillose. 



12. Viguiera tomentosa A. Gray, Proc. Amer. Acad. 5: 161. 1861. 

 Cape region of Baja CaUfornia; type from Cape San Lucas. 



Shrubby, 3 to 4 meters high; stem pilosulous; leaf blades ovate or triangular- 

 ovate, 4 to 10 cm. long, canescent or greenish-canescent above; heads 3.3 to 4 

 cm. wide, 3 to 16 in terminal panicles; involucre 6 to 10 mm. high, densely 

 pilose-tomentose. 



13. Viguiera deltoidea A. Gray, Proc. Amer. Acad. 5: 161. 1861. 

 Baja California; type from Cape San Lucas. 



Shrub, 3 meters high; stem strigillose or hispid; leaf blades deltoid-ovate, 2.5 

 to 6.5 cm. long, usually dentate, harshly or rather softly pubescent beneath; 

 heads several, usually about 3.5 cm. wide. 



13a. Viguiera deltoidea townsendii Vasey & Rose, Proc. U. S. Nat. Mas. 

 13: 148. 1890. 



Known only from the t3^pe locality, Socorro Island. 



Leaf blades ovate to oblong-ovate, 2.5 to 5.7 cm. long, obtuse or rounded, 

 entire, scabroush" tuberculate-strigillose above, beneath rather softly pilose or 

 sometimes hispidulous-strigillose; heads 1.7 to 3.8 cm. wide. 

 13b. Viguiera deltoidea tastensis T. S. Brandeg. Zoe 5: 161. 1903. 



Known only from the type locality. Sierra El Taste, Baja CaUfornia. 



Leaf blades 6 to 10 cm. long, very harsh above, beneath rather softly and 

 densely hispidulous-pilosulous, crenate-dentate; heads 4.5 to 5 cm. wide. 

 13c. Viguiera deltoidea parishii (Greene) Vasey & Rose, Contr. U. S. Nat. 

 Herb. 1: 72. 1890. 



Viguiera parishii Greene, Bull. Torrey Club 9: 15. 1882. 



Sonora and northern Baja California. Nevada to California and Arizona; 

 type from San Luis Rey, California. 



Stem harshly tuberculate-hispidulous; leaf blades rather small, deltoid, strongly 

 toothed and reticulate, harshly pubescent; heads mostly solitary and long- 

 peduncled. 



