Part 2, 1915] CARDUACEAE : TAGETEAE 168 



2. Clomenocoma montana Benth. PI. Hartw. 86. 1841. 



Comaclinium aurantiacum Scheidw. & Planch.; Planch. PI, Serres 8: 19. 1852. 



Titkonia splendens Planch. PI. Serres 8: 19, as synonym. 1852. 



Dyssodia grandiflora Hemsl. Biol. Centr. Am. Bot. 2: 219. 1881. Not D. grandi flora DC. 1836. 



Dyssodia montana A. Gray, Proc. Am. Acad. 19: 38. 1883. 



A perennial herb; stem ligneous at the base, 3-10 dm. high,, branched, striate, glabra te; 



leaves opposite, practically simple, the lateral divisions reduced to subulate lobes or bristles 



on the petiole; blades ovate or lanceolate, 3-5 cm. long, glabrous above, minutely strigillose 



beneath, serrate, or the upper laciniate; heads solitary, on terminal bracted peduncles; involucre 



broadly campanulate, about 15 mm. high and broad; principal bracts in two subequal series, 



oblong, glabrous, fimbriate-crenate at the apex, thickened at the base, bearing a few linear or 



oblong glands; accessory bracts 2-6, linear-lanceolate, much shorter; fimbrillae of the receptacle 



narrow, awn-tipped, longer than the achenes; ray-flowers 12-15; ligules oblong-obovate, 



obscurely 3-toothed, orange or brick-red, about 1 cm. long and 5 mm. wide; disk-corollas, 



orange, 8-9 mm. long; lobes linear-lanceolate; achenes striate, sericeous-villous, 3 mm. long; 



squamellae 10, 7-8 mm. long, each dissected to near the base into many bristles. 



Tvpe locality: Mountains of Aceytuno, near Guatemala. 

 Distribution: Guatemala to Panama. 

 Illustrations: Fl. Serres pi. 756; Bot. Mag. pi. 5310. 



3. Clomenocoma squarrosa (A. Gray) Rydberg. 



Dyssodia squarrosa A. Gray, Proc. Am. Acad. 19: 38. 1883. 



Dyssodia appendiculata Schultz-Bip.; (Seem. Bot. Voy. Herald 308. hyponym. 1857) A. Gray, 

 Proc. Am. Acad. 19: 38, as synonym. 1883. Not D. appendiculata Lag. 1816. 



A tall herb; stem 1 m. or more high, angled, glabrous, branched; leaves opposite, 3-folio- 

 late; petioles 2-3 cm. long, bristly-ciliate at the. base; leaflets petioluled, ovate, coarsely serrate, 

 4-7 cm. long, more or less hirsute, acuminate; peduncles 8-15 cm. long, with a few scarious 

 ovate bracts; involucre turbinate, 12-15 cm. high, 15-20 mm. broad; principal bracts linear, 

 carinate, acuminate, somewhat scarious towards the apex, with 2 nearly marginal rows of 

 glands; accessory bracts with subulate, villous bases and conspicuous scarious ovate, acuminate 

 appendages with a single large gland; ligules about 1 cm. long and 5 mm. wide, brick-red; disk- 

 corollas about 9 mm. long; lobes linear-lanceolate, acuminate; achenes minutely hispidulous; 

 squamellae about 10, 5-6 mm. long, each dissected into 5-9 bristles. 



Type locality: Northern part of Mexico [probably Sierra Madre, Sinaloa]. 

 Distribution: Northern Mexico. 



4. Clomenocoma speciosa (A. Gray) Rydberg. 



Dyssodia speciosa A. Gray, Proc. Am. Acad. 5: 163. 1861. 

 Lebetina speciosa A. Nelson, Bot. Gaz. 47: 435. 1909. 



A fruticose perennial; stem 5 dm. high or more, divaricately branched, glabrous; leaves 



opposite, 3-5-foliolate, 2-4 cm. long; leaflets petioled, 8-15 mm. long, glabrous or sparingly 



puberulent, round in outline, either coarsely incised-dentate or 3-5-cleft with incised lobes; 



peduncles 7-20 cm. long, naked; involucre turbinate-campanulate, 12-15 mm. high, 2 cm. 



broad; principal bracts 17-20, linear-lanceolate, caudate-attenuate, with 2-4 oblong marginal 



glands below and one near the apex; accessory bracts subulate, recurved, with a single 



conspicuous gland; fimbrillae of the receptacle very short; ray-flowers 14-16; ligules orange, 



oblong, about 12 mm. long; disk-corollas 10-11 mm. long; lobes lanceolate, 1.5 mm. long; 



achenes f mm. long, striate, minutely scabrous; squamellae about 10, fully 1 cm. long, each 



dissected into 7-9 bristles. 



Type locality: Cape San Lucas, Lower California. 

 Distribution: Southern Lower California. 



5. Clomenocoma aurantia (L.) Cass. Diet. Sci. Nat. 9: 416. 1817. 



Aster aurantius L. Sp. PI. 877. 1753. 



Dyssodia appendiculata Lag. Gen. & Sp. 29. 1816. 



Inula aurantiaca Spreng. Syst. 3: 524. 1826. 



Clappia aurantiaca Benth. in Hook. Ic. III. 2: 3. 1876. 



Dyssodia aurantia B. L. Robinson, Proc. Am. Acad. 49: 507. 1913. 



