88 NORTH AMERICAN FLORA [Volume 32 



22. DEPPEA Schlecht. & Cham. Linnaea5: 167. 1830. 



Choristes Benth. PI. Hartw. 63. 1840. 



Shrubs, more or less pubescent. Leaves opposite, petiolate, membranaceous. Stipules 

 interpetiolar, small, deciduous. Flowers small, yellow, arranged in axillary or terminal cymes 

 or umbels, sometimes solitary in the axils, pedicellate, ebracteolate; hypanthium turbinate 

 or hemispheric ; calyx 4-lobate, the lobes equal or unequal, persistent ; corolla rotate or short- 

 funnelform, the throat glabrous, the limb 4-lobate, the lobes spreading, contorted. Stamens 4, 

 inserted in the throat of the corolla; filaments short, linear, compressed; anthers exserted, 

 dorsifixed, oblong or linear, obtuse or apiculate, bifid at the base. Disk depressed. Ovary 2- 

 celled; style slender; stigma capitate or bilobate; ovules numerous, imbricate, the placentae 

 oblong, peltately affixed to the septum. Capsule small, turbinate or obovoid, coriaceous or 

 chartaceous, costate, 2-celled, loculicidal from the apex, the valves cleft. Seeds numerous, 

 subglobose, minute, obtusely angulate, the testa coriaceous, granulate; endosperm fleshy; 

 embryo clavate, bifid. 



Type species, Deppea erythrorhiza Schlecht. & Cham. 



Inflorescence 1- or 2-flowered. 



Leaf -blades 1 cm. long or shorter; calyx -lobes obtuse. 1. D. microphylla. 



Leaf-blades 2.5-4.5 cm. long; calyx-lobes acute. 2. D. Purpusii. 



Inflorescence few- or many-flowered. 



Inflorescence umbellate or subumbellate. 



Capsule 2 mm. long, about as broad as long. 3. D. umbellata. 



Capsule 3-4 mm. long, much longer than broad. 4. D. excelsa. 



Inflorescence cvmose-corymbose. 



Corolla 2.5 mm. long. 5. D. erythrorhiza. 



Corolla 4-10 mm. long. 



Capsule oval, obscurely costate, puberulent; corolla 5 mm. long or 



shorter. 6. D. pubescens. 



Capsule turbinate, conspicuously costate, glabrous; corolla 6-10 mm. 

 long. 

 Buds and corolla-lobes very acute or acuminate. /. D. cornifolia. 



Buds and corolla-lobes obtuse or rounded. 



Leaf -blades 1.5-3.5 cm. long; calyx-lobes about as long as the 



hypanthium. 8. D. obiusi flora. 



Leaf-blades 5-15 cm. long; calyx-lobes shorter than the hypan- 

 thium. 9. D. grandi flora. 



1. Deppea microphylla Greenman, Proc. Am. Acad. 41: 249. 1905. 



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



short; stipules minute; petioles 1-2.5 mm. long; leaf-blades rhombic-ovate or oval-elliptic, 4-10 



mm. long, 2-5 mm. wide, obtuse or acute at the base, obtuse at the apex, bright-green above, 



glabrous, the venation obsolete, pale beneath, sparsely puberulent or glabrate, the costa promi- 



nulous, the lateral veins obscure, the margins plane, sparsely ciliate; peduncles axillary, solitary, 



1- or rarely 2-flowered, slender, 4-10 mm. long; hypanthium glabrous or very sparsely strigil- 



lose, hemispheric, 1 mm. long, smooth; calyx-lobes 1 mm. long, oblong or ovate-oblong, obtuse; 



corolla 5 mm. long, glabrous, the tube very short, the lobes oblong, obtuse; anthers narrowly 



oblong, 2 mm. long, obtuse; capsule globose-turbinate, 3 mm. long. 



Type locality: River bluffs below Trinidad Iron Works, Hidalgo, at an altitude of 1710 meters. 

 Distribution: Known only from the type locality. 



2. Deppea Purpusii Standley, sp. nov. 



Shrub, the branches slender, grayish, densely puberulent or villosulous when young, the 

 internodes elongate; petioles slender, 0.5-2 cm. long; leaf-blades ovate or oblong-ovate, 2.5-4.5 

 cm. long, 1.2-2.2 cm. wide, obtuse or rounded at the base, acute at the apex, bright-green above, 

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

 along the veins, the lateral veins prominent, 3-5 on each side, arcuate, the margins plane, cili- 

 ate; peduncles axillary, 1- or 2-flowered, in fruit 7-13 mm. long; capsule globose-turbinate, 3-4 

 mm. long, 9-costate, densely villosulous when young, glabrate in age, the persistent calyx-lobes 

 oblong or elliptic, acute, 2-3 mm. long. 



Type collected in the Sierra Mad re between Misantla and Naolinco, Veracruz, August, 1912, 

 C. A. Purpus 6200 I'. S. Nat. Herb. no. 464734). 



