ROBINSON & GREENMAN : CONTRIB. GRAY HERBARIUM. 97 
mannii , Sch. Bip., acc. to Klatt, 1. c.— S. Andres, Mecatlan, Mex¬ 
ico, Liebrnann , no. 588. Type in the herbarium of the Botanic 
garden of Copenhagen ; a tracing and fragment in herb. Gray. 
6. A rudimentary pappus generally present as a short-fringed cup : South 
American species. 
18. G. tenella, HBK. Prostrate, much-branched: stems slen¬ 
der, hard : leaves opposite, ovate, subcordate, obtusish, thick, rugose, 
very scabrous above, short-petioled, serrate or serrulate, 2 to 5 cm. 
long: heads solitary, terminal, on filiform peduncles; involucre 8 
to 10 mm. in diameter; the bracts oblong-lanceolate, canescent- 
pubescent; disk achenes obovate, appressed-pubescent, somewhat 
contracted above into the at length obscure pappus-cup. — Nov. 
gen. et spec., 4, 218, t. 373; Klatt in Engl. Jahrb., 8, 42. —New 
Granada near Ibague and Contreras, Humboldt ; in bushy under¬ 
growths and on savannas of the Bio Dagua, Cauca, altitude 1,000 
to 1,800 m., Lehmann , nos. 1956, 2865, 2994. 
19. G. iiondensis, HBIv., 1. c., 218. From description close to 
if not identical with the preceding: leaves said to be subacumi¬ 
nate at the apex and rounded at the base. — Torrid regions of New 
Grenada near Honda, Humboldt . Sprengel (Syst., 3, 610) reduces 
this species to G. tenella , where it may well belong. 
20. G. tripliner vi a, HBK. Branches terete, smooth, glabrate, 
the younger with appressed pilosity: leaves opposite, ovate, nar¬ 
rowly subacuminate, acute at the base, crenate-dentate, reticulate- 
veiny, 3-nerved, hispidulous with appressed hairs on both surfaces, 
about 6 cm. long, half as broad; petioles 6 to 8 mm. long: heads 
solitary on long appressed-pubescent peduncles; involucral bracts 
numerous, appressed-pubescent, the outer slightly exceeding the 
inner: disk-flowers and achenes unknown.—Nov. gen. et spec., 
4, 219. — On high plains of Bogota, U. S. Colombia, Humboldt. 
Not seen by the writers, the descr. compiled. 
= = Petioles longer (8 to 20 mm. in length): lignles rather showy, 1 to 2 
cm. long. 
a Rays about 12, narrow, strongly carinate or conduplicate. 
21. G. cruciata, Klatt. Tall erect shrub, 3 m. high : branches 
tetragonal, rough: leaves ovate-oblong, shortly cuneate or one¬ 
sided at the base, 7 cm. in length, half as broad; the petioles 1 cm. 
long : rays about 12. — Bull. Herb. Boiss., 4, 480. — Near Castahal, 
U. S. Colombia, Sonntag , no. 3, June, 1888. Type in herb. Univ. 
of Zurich; a head and sketch in herb. Gray. 
