106 TEXAS RESEARCH FOUNDATION: CONTRIBUTIONS, VOLUME 5 
NICARAGUA.—ZeEtaYa: vicinity of El Recreo, on Rio Mico, wet thicket, alt. about 30 
m., Apr. 23-May 14, 1949, Paul C. Standley 198065 (F), shrub 3 m. 
Described from fruiting material, this has been one of the most exasperating 
species to tie down. Flowering specimens from the type locality are not avail- 
able, and my description of the flowers of P. hondurensis is based on Molina 2813 
which I judge to be this species. The fruits of the type bear persistent slender 
hairs below base of style, and these match those of the ovary of the Molina 
collection. 
Although numerous collections of Parathesis have been made in Honduras 
in the past two decades, most of these are in fruit and of little value for working 
out relationships. The Honduran species are not well-marked which accounts 
also for their being poorly understood. 
37. PARATHESIS FERRUGINEA Lundell, Wrightia 2: 64. 1963. Fig. 36. 
Arborescent shrub, up to 8 m. high; twigs rather slender, finely tomentose 
with reddish-brown stellate hairs; leaves with rather stout petioles 1-2 cm. long, 
the petioles tomentose, glabrescent above; leaf blades lanceolate-oblong or 
oblanceolate, 7.5-15 cm. long, 2.8-5.3 em. wide, apex acuminate or subabruptly 
acuminate, base narrowed and decurrent on the petiole, paler beneath, pellucid- 
punctate, bizonal, pubescence of the costal zone reddish and finely stellate, 
appressed, the marginal zone glabrescent, the margin finely crenulate or some- 
times rather coarsely crenulate-dentate, the costa elevated beneath, plane 
above, the lateral veins fine; inflorescences terminal, laxly pyramidal, up to 18 
em. long, thinly tomentose with fine reddish-brown stellate hairs; flowers finely 
tomentose, corymbose or subracemose-corymbose; pedicels slender, 5-9 mm. 
long; flower buds lanceolate, up to 6 mm. long before anthesis, the calyx and 
corolla black-punctate in lines; sepals 1.6-2 mm. long, attenuate, acuminate; 
petals linear-lanceolate, up to 7 mm. long, papillose-tomentose within except at 
base; stamens 4—4.5 mm. long; filaments glabrous, rather stout, about 1.8 mm. 
long, anthers erect, dorsifixed above base, linear-lanceolate, 3-3.7 mm. long, 
apex attenuate, with a conspicuous black-punctate area with glands extending 
into basal lobes; ovary hirsute apically, often sparingly, and at base of style, 
otherwise glabrous; style slender, about 6 mm. long; placenta globose, with 
4 or 5 ovules, the ovules uniseriate, enclosed. 
MEXICO.—Jatisco: swampy woods 20 miles south-southwest of Autlan and 2 miles 
north of La Resolana, c. 1000 ft. alt., July 7, 1949, R. L. & C. R. Wilbur 1562 (LL, MICH), 
a rather uncommon shrub about 7 m. high, petals and calyx rose-colored, anthers yellow, the 
filaments rose, style white, young fruit dull red; steep wooded hills above the river (a tributary 
of Rio Cihuatlan), ca. 11 miles north of bridge of Rio Cihuatlan on road from Santiago, Co- 
lima to Durazno, Jalisco, in oak zone, with abundant bamboos, abundant in deep rocky ravine 
near small stream, elevation 500-550 m., Aug. 1, 1957, Rogers McVaugh 15975 (LL, type; 
MICH, isotype), treelike shrub 5 m. high, flowers pink, fruit red, then black. Nayarit: Tepic, 
Jan. 5-Feb. 6, 1892, Edward Palmer 1988A (GH, LL, MICH, NY, UC, US); Territorio de 
Tepic, Pedro Paulo, Aug. 3, 1897, J. N. Rose 3331 (US); mountains 9 miles north of Compo- 
stela, steep heavily forested stream valley in oak zone, occasional in barranca, elev. 1000-1200 
m., Nov. 12, 1959, Rogers McVaugh & Walter N. Koelz 527 (LL, MICH), shrub 2 m. high 
with drooping inflorescences, immature berries pinkish, ripe berries purplish-black; landward- 
facing mountainsides above La Cucaracha, 12-14 miles south of Las Varas, tropical forest of 
