Part 2, 1915] CARDUACEAE : HELENIEAE 83 



53. PSEUDOBAHIA (A. Gray) Rydberg, gen. nov. 



Monolopia § Pseudo-Bahia A. Gray, Bot. Calif. 1: 383. 1876. 



Sparingly floccose annuals. Leaves alternate, entire or pinnatifid. Heads radiate. 

 Involucre campanulate; bracts in one or two series, united at the base, souk what concave, 

 those of the outer series represented by fleshy lobes or callosities at the sinuses of the involucre, 

 or wanting. Receptacle conic, acute. Ray-flowers about as many as the principal bracts, 

 pistillate and fertile; ligules broad, yellow. Disk-flowers many, hermaphrodite and fertile; 

 corolla-tube slender, longer than the funnelform throat, villous at their junction. Anther- 

 tips ovate. Style-tips truncate. Achenes slightly angled, more or less compressed, ob- 

 lanceolate in outline, rounded at the apex. Pappus usually wanting. 



Type species, Monolopia bahiaefolia Benth. 



Leaves entire or slightly toothed. 1. P. bahiaefolia. 



Leaves pinnatifid. 2. P. Heermannii. 



1. Pseudobahia bahiaefolia (Benth.) Rydberg. 



Monolopia bahiaefolia Benth. PI. Hartw. 317. 1849. 

 Eriophyllum bahiaefolium Greene, PI. Franc. 446. 1897. 



A floccose annual; stem 0.5-1 dm. high, simple or somewhat branched; leaves 1-2 cm. 



long, entire or 3-lobed towards the apex; heads solitary at the ends of the branches; peduncle 



1-5 cm. long; involucre 4-5 mm. high, 5-6 mm. broad, floccose; principal bracts 8, united 



below the middle; ray-flowers 6-8; ligules yellow, 5-6 mm. long, 3 mm. wide; disk-corollas 2 



mm. long, villous at the junction of the tube and the campanulate-funnelform throat; 



achenes oblong-oblanceolate, 4-angled, but decidedly compressed, slightly pubescent; pappus 



wanting or of minute fimbriate squamellae. 



Type locality: Valley of the upper Sacramento, California. 

 Distribution: Sacramento and San Joaquin valleys, California. 



2. Pseudobahia Heermannii (Durand) Rydberg. 



Monolopia Heermannii Durand. Jour. Acad. Phila. II. 3: 93. 1855. 

 Monolopia bahiaefolia pinnatifida A. Gray, Bot. Calif. 1: 383. 1876. 

 Eriophyllum Heermannii Greene, Fl. Franc. 445. 1897. 



A sparingly floccose annual; stem 1-3 dm. high, freely branching; leaves alternate, pin- 

 natifid or bipinnatifid into linear segments, or the basal ones spatulate and toothed and the 

 uppermost entire and linear; heads solitary at the ends ^f the branches; peduncle 1-5 cm. 

 long; involucre floccose, 5 mm. high, 6-7 mm. broad; pr : pal bracts about 8, united below 

 the middle, usually with thickened lobes or callosities at the sinuses; ray-flowers 8-10; 

 ligules yellow, 5-8 mm. long; disk-corollas 2.5 mm. long, villous at the junction of the short 

 tube and the throat; achenes oblanceolate in outline, rounded at the apex, 4-angled but 

 decidedly compressed; pappus wanting or of a few minute squamellae. 



Type locality: Calaveras, California. 

 Distribution: California. 



54. ERIOPHYLLUM Lag. Gen. & Sp. Nov. 28. 1816. 



Trichophxllum Nutt. Gen. 2: 166. 1818. 

 Phialis Spreng. Gen. 631. 1831. 



Annual or perennial floccose or tomentose herbs or low shrubs. Leaves alternate, entire 

 or pinnately lobed or dissected. Heads radiate, rarely discoid, peduncled at the ends of the 

 branches, solitary or corymbose or corymbose-paniculate. Involucre hemispheric; bracts 

 in a single series or in 2 equal series, somewhat overlapping, concave or somewhat boat-shaped, 

 partly enveloping the marginal achenes. Receptacle usually more or less convex, naked 

 or very rarely with a few paleae. Ray-flowers pistillate and fertile; ligules yellow, oblong, 

 more or less toothed at the apex. Disk-flowers usually numerous, hermaphrodite and fertile; 

 corolla-tube densely glandular-hispid, shorter than the cylindro-campamilate throat; limb 

 5-lobed. Achenes 4-5-angled, narrowly elongate-obpyramidal, glabrous, hirsute, or glandular. 

 Pappus of 4-12 hyaline, often erose squamellae, or rarely wanting. 



Type species, Eriophyllum trollifolinm Lag. 



