Part 2, 1921] RUBIACEAE 89 



3. Deppea umbellata Hemsl. Diag. PI. Nov. 31. 1879. 



Shrub, the branches slender, grayish or brownish, bifariously puberulent when young, 

 the internodes elongate; stipules broadly deltoid, about 1 mm. long; petioles slender, 0.4-2.5 cm. 

 long, puberulent; leaf-blades ovate, oval-ovate, oval-elliptic, or lance-ovate, 4-11.5 cm. long, 

 2-5 cm. wide, acute or abruptly acuminate or attenuate at the base, subabruptly acuminate or 

 attenuate at the apex, with an obtuse or acute acumen, very thin, bright-green above, very 

 sparsely pilose or glabrate, the venation plane or prominulous, paler beneath, sparsely puberu- 

 lent or glabrate, the lateral veins slender, prominulous, 5-7 on each side, arcuate, the margins 

 plane, ciliolate; inflorescence axillary, umbellate, mostly 4-8-flowered, the peduncles 3-12 mm. 

 long, the pedicels filiform, 2-5 mm. long; hypanthium less than 1 mm. long, sparsely puberu- 

 lent, hemispheric; calyx-lobes minute, deltoid, acute or acutish; corolla 2-3 mm. long, glabrous, 

 the tube very short, the lobes ovate-oblong, obtuse; anthers 1.5 mm. long, obtuse; capsule 

 globose-turbinate, about 2 mm. in diameter, conspicuously 9-costate, glabrous; seeds minute, 

 brownish-black. 



Type locality: Orizaba, Veracruz. 



Distribution: Veracruz. 



Illustration: Hemsl. Biol. Centr. Am. Bot. pi. 38, f. 1-6. 



4. Deppea excelsa (H.B.K.) Standley. 



Psychotria excelsa H.B.K. Nov. Gen. & Sp. 3: 355. 1819. 

 Choristes excelsa Benth.; Walp. Rep. 2: 506. 1843. 

 Deppea tenuiflora Benth. PI. Hartw. 349. 1857. 



Shrub, the branches slender, grayish, bifariously puberulent when young, the internodes 

 elongate; stipules minute, deltoid; petioles slender, 3-10 mm. long, puberulent; leaf -blades 

 ovate, elliptic-oblong, or lance-oblong, 3-7.5 cm. long, 1.5-3 cm. wide, acute to attenuate at the 

 base, subabruptly acuminate or attenuate at the apex, very thin, bright-green above, sparsely 

 pilose when young, the venation plane or prominulous, paler beneath, puberulent or sparsely 

 pilose along the veins, glabrate in age, the lateral veins slender, arcuate; inflorescence axillary, 

 umbellate, 3-10-flowered, the peduncles 3-10 mm. long, the pedicels slender, 2-5 mm. long; 

 hypanthium glabrous; calyx-lobes minute, deltoid, acutish; corolla glabrous, the tube cylindric, 

 the lobes oblong, obtuse, slightly longer than the tube; capsule turbinate, 3-4 mm. long, con- 

 spicuously costate ; seeds minute, dark reddish-brown. 



Type locality: Near Jalapa, Veracruz, altitude about 1345 meters. 

 Distribution: Veracruz and Chiapas. 

 Illustration: H.B.K. Nov. Gen. & Sp. pi. 282. 



5. Deppea erythrorhiza Schlecht. & Cham. Linnaea 5: 168. Ja 1830. 



Deppea hedyotidea DC. Prodr. 4: 618. 1830. 



Slender shrub, the branches brownish-gray, glabrous, the internodes short; stipules minute; 



petioles slender, 5-10 mm. long, glabrous; leaf-blades elliptic, elliptic-oblong, or ovate, 4—7 cm. 



long, 1-2.5 cm. wide, acute or acuminate at the base, acute or short-acuminate at the apex, 



glabrous, bright-green above, paler beneath; inflorescence loosely cymose, many-flowered, 



long-pedunculate, the branches subfiliform, elongate, glabrous, the pedicels 4-12 mm. long, 



filiform; hypanthium glabrous, about 0.8 mm. long; calyx-lobes deltoid, half as long as the 



hypanthium; corolla 2.5 mm. long, the tube very short, the lobes oblong, acute; anthers about 



1 mm. long. 



Type locality: Hacienda de La Laguna, Veracruz. 



Distribution: Veracruz. 



Illustrations: Endl. Atakta pi. 24; E. & P. Nat. Pfl. 4<: /. 10, N, 0. 



6. Deppea pubescens Hemsl. Diag. PI. Nov. 31. 1879. 

 Shrub, the branches stout, brownish, densely villosulous when young, the internodes short; 

 stipules minute, deltoid ; petioles slender, 0.5-1.8 cm. long, densely villosulous; leaf-blades ovate 

 or lance-oblong, 3.5-7.5 cm. long, 1.2-3 cm. wide, acute at the base, acute or acuminate at the 

 apex, chartaceous, bright-green above, puberulent, slightly paler beneath, densely villosulous or 

 tomentose, the lateral veins prominent, arcuate; inflorescence axillary, cymose-corymbose, 

 few-flowered, about as long as the leaves, the peduncles very slender, elongate, the pedicels 



