40 TEXAS RESEARCH FOUNDATION: CONTRIBUTIONS, VOLUME 5 
tree like shrub growing in forest shade, flowers pink with yellow stamens. ToLepo: on hilltop 
beyond Central Camp, Edwards Road beyond Columbia, in high ridge, May 9, 1951, Percy H. 
Gentle 7324 (LL), tree, 5 in. diam., flowers pink. InpEFrinirE: Forest Home, alt. 200 ft., Nov. 7, 
1932, W. A. Schipp S-405A (NY), tall shrub growing in forest shade, flowers pink, stamens 
yellow. 
The coarse dendroid hairs, long stipitate to subsessile, give all parts a shaggy 
appearance. In Parathesis this peculiar trichome reaches its ultimate develop- 
ment in P. sesszlifolia. 
9. PARATHESIS CHIAPENSIS Fernald, Proc. Amer. Acad. 36: 497. 1901. ‘Fig. 9. 
Arborescent shrub or small tree up to 10 m. high, branchlets rather stout, 
densely red tomentose with rather fine stipitate or subsessile dendroid hairs; 
leaves with petioles 5-18 mm. long, the petioles canaliculate, tomentose; leaf 
blades oblanceolate, elliptic or lanceolate, 6-20 cm. long, 2.5-7 em. wide, apex 
subabruptly acuminate, base narrowed and decurrent on the petiole, chartaceous, 
at first stellate pubescent above, glabrescent, densely and uniformly pubescent 
on undersurface with fine red, stipitate, stellate hairs, the rays of hairs com- 
paratively short in typical collections, margin closely denticulate, sometimes 
inconspicuously so or entire at base, the costa elevated beneath, nearly plane 
above, the lateral veins conspicuous on undersurface, slightly impressed above; 
inflorescences terminal, paniculate, sometimes small and congested, shorter than 
leaves, sometimes broadly pyramidal and up to 15 em. long, puberulent and 
hirtellous or hirtellous-tomentose with sessile or short-stipitate red, stellate 
hairs; flowers corymbose or subracemose-corymbose; pedicels rather slender or 
sometimes clavate, 4-12 mm. long, sometimes up to 17 mm. long, often reflexed ; 
flowers at anthesis 5-7 mm. long, the calyx and corolla densely black-punctate, 
the corolla in lines; sepals lanceolate, (1.2) 1.8-3 mm. long, acuminate; petals 
narrowly lanceolate, 5-8 mm. long, papillose-tomentose within apically and 
along margins; stamens 3-4 mm. long; filaments glabrous, stout, 1.4-1.8 mm. 
long; anthers erect, ovate-lanceolate, (1.5) 2.2-2.8 mm. long, apiculate, dorsi- 
fixed below middle, with conspicuous black-punctate area above attachment 
and extending down into lobes; ovary glabrous, or with a few scattered erect 
hairs at apex and at base of style; style slender, up to 5.5 mm. long; placenta 
subglobose, apiculate; ovules 9, uniseriate, enclosed. 
MEXICO.—Curapas: in mountain forest between San Martin and Ococingo, Mar. 13, 
1896, Caec. & Ed. Seler 2226 (GH, isotype; MICH, fragment of isotype); Honduras, near 
Siltepec, riverside, alt. 1500 m., July 9, 1941, Hizi Matuda 4416 (A, LL, MO, NY, US), a 
small tree, 3 m. high; Nuevo Amatenango, riverside, alt. 1300 m., July 17, 1941, Eizi Matuda 
4720 (A, F, LL, MO, NY), shrub, 3-4 m. high; Amatenango del Valle, riverside, alt. 1835 m., 
June 12, 1945, Eizi Matuda 5835 (LL), 15835 (F), small tree, 3-4 m. high, flowers rose colored; 
Pan American highway, 4 miles west of Comitan, banks of a river, near bridge, alt. 5750 ft., 
Apr. 26, 1949, Margery C. Carlson 2007 (F, MICH, NY), flowers magenta pink; near Colonia 
Tizcao, on the Guatemalan border, in huge sweetgum-oak cloud forest, elev. about 4700 ft., 
Apr. 23, 1955, L. Irby Davis & Edgar Kincaid 55-56 (TEX); same locality, June 9, 1955, 
55-78 (TEX); Municipio of Tenejapa, trail above the Sumidero of Yochib from Pokolum, 
in Barrio of Sisim, elev. 4800 ft., July 11, 1964, D. E. Breedlove 6193 (F), tree 20 ft.; Municipio 
of Tenejapa, on slope with Quercus near Pokolum, elev. 5300 ft., Nov. 22, 1964, D. E. Breed- 
love 7413 (F), shrub 8 ft. tall. Mexico: Nanchititla, en bosque mixto de encinos y pinos, ladera 
humeda, alt. 1900 m., May 26, 1954, Eizi Matuda 30865 (NY). 
