96 NORTH AMERICAN FLORA [Volume 32 



1. Alseis Blackiana Hemsl. Diag. PL Nov. 30. 1879. 



Tree, the trunk furrowed and twisted, the crown small, flat, the branchlets thick, glabrous; 

 stipules lance-linear, 1-1.5 cm. long, thick, glabrous, ciliate; leaves crowded at the ends of the 

 branches, the petioles slender, 1-3.5 cm. long, glabrous, the blades oblanceolate or obovate- 

 oblong, 7-20 cm. long, 1.8-6 cm. wide, long-attenuate at the base, subabruptly acuminate at 

 the apex, or very obtuse and apiculate, thin, bright-green, concolorous, sparsely strigose when 

 young but soon glabrate, the venation prominent beneath, the lateral veins slender, numerous, 

 nearly straight; spikes stout, short-pedunculate, simple, 6-25 cm. long, densely flowered, the 

 rachis tomentulose, the flowers very shortly pedicellate; hypanthium narrowly turbinate, 

 2 mm. long, puberulent or glabrate; calyx-lobes ovate, acute, glabrous, scarcely 0.5 mm. long; 

 corolla white, 2.5-3 mm. long, glabrous outside, the lobes very short, semiorbicular; filaments 

 densely bearded; anthers 0.8 mm. long; style glabrous; capsule 9-12 mm. long, about 2 mm. 

 thick, brownish; seeds brown. 



Type locality: Panama. 

 Distribution - : Panama and Colombia. 

 Illustration: Hemsl. Biol. Centr. Am. Bot. pi. 37. 



This or a closely related species occurs in Yucatan. Of the Yucatan plant the writer has seen 

 only fruiting specimens, without leaves. 



31. MANETTIA Mutis; L. Mant. 553, 558. 1771. 



Nacibea Aubl. PI. Guian. 95. 1775. 



Lygistum P. Br. (Hist. Jam. 142; hyponym. 1756); Lam. Tab. Encyc. 1: 286. 1791. 



Guagnebina Yell. Fl. Flum. 45. 1825. 



Conotrichia A. Rich. Mem. Soc. Hist. Nat. Paris 5: 277. 1834. 



Scandent herbs, sometimes suflrutescent, glabrous or pubescent. Leaves opposite, 

 petiolate. Stipules short, broad, acute, often adnate to the petiole. Flowers small or large, 

 solitary in the axils or arranged in small cymes or panicles, white, red, or yellow, the peduncles 

 often bibracteolate ; hypanthium turbinate, obovoid, or campanulate; calyx usually 4-lobate, 

 persistent, the lobes short or elongate, broad or narrow, often alternating with minute teeth 

 or large lobes-; corolla tubular or funnelform, the tube short or elongate, terete or angulate, 

 straight or curved, glabrous or pilose within or villous in the throat, the limb 4- (rarely 5-) 

 lobate, the lobes usually short, erect or recurved, valvate. Stamens 4 (rarely 5), inserted in 

 the throat of the corolla; filaments short, included or exserted; anthers versatile, oblong, short 

 or elongate. Disk annular or pulvinate. Ovary 2-celled; style filiform; stigma clavate or 

 bifid; ovules numerous, peltate, imbricate, the placentae swollen, erect. Capsule obovoid or 

 turbinate, bisulcate, coriaceous or chartaceous, 2-celled, septicidally bivalvate from the apex. 

 Seeds numerous, compressed, surrounded by a broad, irregularly dentate wing; endosperm 

 corneous; embryo straight, the cotyledons ovate, the radicle cylindric. 



Type species, Manettia reclinata L. 



Calyx-lobes usually 8, subequal; corolla red. 



Corolla-lobes ovate or ovate-oblong. 1. M. coccinea. 



Corolla-lobes orbicular. 2. M . orbifera. 



Calyx-lobes 4, sometimes with small intermediate teeth.. 



Corolla red or white; leaves membranaceous; calyx-lobes without in- 

 termediate teeth or with minute ones. 

 Corolla 3-4 cm. long. 



Flowers solitary, axillary; calyx-lobes oblong, obtuse. 3. M. domingensis. 



Flowers in terminal cymes; calyx-lobes linear-subulate. 



Flowers subsessile. 4. M. hirtella. 



Flowers on pedicels 1-2 cm. long. 5. M. zimapanica. 



Corolla 1.8 cm. long or shorter. 



Calyx-lobes 5-10 mm. long; corolla-tube 8-13 mm. long. 



Calyx-lobes distinct. 6. M. calycosa. 



Calyx-lobes united at the base into a short tube. 7. M. dominicensis. 



Calyx -lobes 1.5—4 mm. long; corolla-tube 7 mm. long or shorter. 



Leaf-blades lance-linear, 5-6 mm. wide. 8. M. barbata. 



Leaf -blades mostly ovate, 10-30 mm. wide. 9. M. flexilis. 



Corolla blue; leaves coriaceous; calyx-lobes with conspicuous intermediate 



teeth. 10. M. Lygislum. 



