STANDLEY TREES AND SHRUBS OF MEXICO 1317 



Pubescence of simple hairs 1. D. laxiflora. 



Pubescence of stellate hairs 2. D. rovirosana. 



1. Distictis laxiflora (DC.) Greenm. Proc. Amer. Acad. 33: 486. 1898. 

 Pithecoctenium laxiflorum DC. Prodr. 9: 195. 1845. 

 Pithecodennim cinereum DC. Prodr. 9: 195. 1845. 



Distictis cinerea Greenm. Proc. Amer. Acad. 33: 487. 1898. 



Jalisco and Guanajuato to Puebla and Oaxaca; type from Oaxaca. 



Woody vine; leaves bifoliolate, the leaflets broadly ovate to oblong-elliptic, 3 

 to 6 cm. long, acute to rounded at apex, rounded at base, entire, lepidote, pubes- 

 cent; flowers purple, in few-flowered terminal racemes or panicles; calyx tomen- 

 tulose; corolla 5.5 to 8.5 cm. long, densely tomentulose outside; capsule oblong- 

 elliptic, 7 to 9 cm. long, 4 cm. long, nearly smooth, with a dorsal ridge on each 

 valve, glabrous; seeds broadly winged. "Jeroliz morado" (Quer^taro); "manto 

 de la Virgen." 



This plant is often cultivated in Mexico. 



2. Distictis rovirosana Donn. Smith, Bot. Gaz. 20: 7. 1895. 

 Tabasco, the type from Atasta. Guatemala to Nicaragua. 



Leflets oblong-obovate to oval, 10 to 15 cm. long, caudate-acuminate, usually 

 retuse, stellate-pubescent when young; calyx 5 to 6 mm. long, velutinous; corolla 

 pink, about 5 cm. long; capsule oblong, 9.5 cm. long, 3.5 cm. wide. " Pie de gallo" 

 (Tabasco). 



Not seen by the writer. 



7. ADENOCALYMNA Mart.; DC. Prodr. 9: 199. 1845. 



Scandent shrubs; leaves normally bifoliolate, with a terminal tendril, but often 

 trifoliolate, the leaflets entire; flowers large, pink or purple, in chiefly terminal 

 racemes or panicles; calyx campanulate, truncate or 5-dentate, glandular within, 

 pubescent; corolla elongate-funnelform; capsule oblong or broadly linear, com- 

 pressed parallel with the septum or subterete, usually tuberculate-rugose; seeds 

 usually broadly winged. 



Calyx not conspicuously nerved; corolla 5 to 6 cm. long__l. A. alboviolaceum. 

 Calyx conspicuously nerved, the nerves tortuous, excurrent in the small calyx 

 teeth; corolla 3 to 5 cm. long. 



Corolla 3 to 3.5 cm. long 2. A. seleri. 



Corolla 4.5 to 5 cm. long 3. A. fissum. 



1. Adenocalymna alboviolaceum Loesener, Verh. Bot. Ver. Brand. 56: 



100. 1923. 



Oaxaca and Veracruz; type from Tehuantepec, Veracruz. 



Leaflets ovate, obtuse or acutish, rounded or subcordate at base, 3 to 5 cm. long 

 or larger, puberulent or glabrate beneath; calyx 5 to 6 mm. long, puberulent; 

 corolla purplish, glabrous. " Loobaa-beete " (Oaxaca). 



2. Adenocalymna seleri Loesener, Verh. Bot. Ver. Brand. 56: 101. 1923. 

 Type collected between Ticul and Tabi, Yucatdn. 



Leaflets ovate-lanceolate, villosulous and glandular-punctate beneath; calyx 6 

 to 8 mm. long, sparsely villosulous, the teeth scarcely 1 mm. long; corolla puberu- 

 lent. "Oppol che." 



3. Adenocalymna fissum Loesener, Verh. Bot. Ver. Brand. 56: 102. 1923. 

 Type from Xkombec, Yucatan. 



Leaflets ovate-lanceolate, acute or obtuse at base, about 6.5 cm. long, puberu- 

 lent on the nerves; infloresence puberulent; calyx 8 mm. long, villosulous; cor- 

 olla sparsely puberulent, cleft on one side. 



