180 TEXAS RESEARCH FOUNDATION: CONTRIBUTIONS, VOLUME 5 
Aug. 10-24, 1923, J. Francis Macbride 5519 (F), slender 15 ft. tree; La Merced, Hacienda 
Schunke, alt. ca. 4000 ft., Aug. 27-Sept. 1, 1923, J. Francis Macbride 5604 (F), slender 6 ft. 
shrub, fruits very dark red; Dept. Junin, east of Quimiri Bridge, near La Merced, dense forest, 
alt. 800-1300 m., June 1-3, 1929, FE. P. Killip & Albert C. Smith 23912 (US), shrub, 10-12 ft.; 
Rio Paucartambo Valley, near Perene Bridge, alt. 700 m., June 19, 1929, EZ. P. Killip & 
Albert C. Smith 25392 (F, NY, US), tree, 15-20 ft.; Dept. and Prov. Huanuco, near confluence 
of Rio Cayumba with Huallaga, virgin forest on slope above river, alt. 860 m., Oct. 13, 1936, 
Ynes Mexia 8286 (BM, F, G, GH, LL, MO, NY, 8, UC, US), shrub 5 m. high, mature fruit 
black, common; Tarapoto, R. Spruce s.n. (K); Moro, Jan., 1866, R. Pearce s.n. (BM, K), 
shrub, 4-6 ft.; without locality, July, 1854, W. Lechler 2473 (K); H. Ruiz & J. Pavon s.n. (K). 
BOLIVIA.—Tumupasa, alt. 1800 ft., Dec. 12, 1901, R. S. Williams 452 (BM, NY, US), 
slender bush, 15 ft. high, fls. purplish; Rurrenabaque, alt. 1000 ft., Dec. 9, 1921, M. Cardenas 
1967 (GH, K, MICH, NY, US). Inperinire: N. Grenade, 1844, Justin Goudot s.n. (P). 
The Costa Rican collections are in fruit, but they appear to be referable to 
this species. 
70. PARATHESIS PSYCHOTRIOIDES Lundell, Contr. Univ. Mich. Herb. 6: 53. 
1941. Frontispiece, Fig. 67 and Plate 33. 
Shrub, or tree up to 4 m. high, branchlets rather stout, at first tomentulose 
with minute stellate very closely appressed hairs, appearing lepidote, glabrescent 
early; leaves with slender petioles up to 2.2 em. long; leaf blades obovate or 
oblanceolate-elliptic, 9-25 em. long, 4-10 em. wide, apex obtuse or subabruptly 
short acuminate, the acumen obtusish, base cuneate, decurrent, margin entire, 
inconspicuously undulate, the leaf buds and young leaves densely pubescent on 
both surfaces at first with very closely appressed fine stellate hairs, densest along 
costa and veins, glabrescent very early, costa impressed above, prominent be- 
neath, the primary lateral veins slightly impressed above, slender but rather 
conspicuous on both surfaces, the veins ending in marginal calloses; inflorescences 
axillary, paniculate, the panicles up to 13 em. long, 1- or 2-branched often to 
base, the secondary branches reduced, sometimes with long peduncles, the 
peduncles and branches slender, rigid, sparsely short villous and puberulent at 
first, glabrescent; bractlets linear-lanceolate and persistent; pedicels slender, 
2.5-5 mm. long; flowers umbellate, corymbose or short racemose-corymbose in 
fruit, the buds slender, usually about 5 mm. long at anthesis, rarely up to 6 mm., 
puberulent; sepals up to 2 mm. long, red-black punctate in lines, puberulent; 
petals linear-lanceolate, 5-6 mm. long, red-black punctate in lines, papillose- 
tomentose on inner surface except at base; stamens 2.5-3.5 mm. long; filaments 
1.3-2 mm. long, subequaling or sometimes longer than anthers, slender above, 
thicker below, usually punctate; anthers dorsifixed about one-fourth above 
base, slender, sometimes sagittate, 1.4-2 mm. long, obtuse, concolorous or 
punctate dorsally with several small reddish glands; ovary ovoid, short pilose 
at apex and at base of style, often sparingly so; style 3.5-4 mm. long, punctate 
in lines; placenta subglobose, apiculate; ovules 7 or 8, uniseriate, enclosed; 
fruits subglobose, drying costate, 5-6 mm. in diam. 
MEXICO.—Mexico: Dist. Temascaltepec, Pungarancho, by the river, Jan. 14, 1933, 
Geo. B. Hinton 3144 (A, BM, G), shrub 1.5 m.; Ixtapan, Oct. 31, 1935, Geo. B. Hinton 8617 
(BM, F, G, LL, MEXU, MO, S, US), tree 4 m.; Pungarancho, Nov. 28, 1935, Geo. B. Hinton 
8753 (BM, F, G, GH, LL, MO, TEX, US), shrub 2 m. high. Oaxaca: Distrito de Tuchitan, 
El Barrio, Lagunas, alt. 200 m., Oct. 21, 1919, Cassiano Conzatti 3700 (LL, US). Veracruz: 
