STANDLEY TEEES AND SHRUBS OF MEXICO 1379 



1. Otocalyx chiapensis T. S. Brandeg. Univ. Calif. Publ. Bot. 6: 69. 1914 



Type from Cerro del Boquer(3n, Chiapas. 



Shrub; leaves slender-petiolate, ovate, 4 to 6 cm. long, long-acuminate, rounded 

 or obtuse at base, appressed-pilose beneath along the veins; flowers in axillary or 

 terminal, few-flowered, long-pedunculate cymes; calyx 4-lobate, one of the 

 lobes dilated into a foliaceous limb 9 to 12 mm. long; corolla sericeous, the tube 

 1 cm. long, the 4 lobes 5 to 6 mm. long; fruit baccate (?), subglobose, 5 to 6 mm. 

 long; seeds minute, angulate. 



26. HAMELIA Jacq. Enum. PL Carib. 2, 16. 1760. 

 Shrubs or small trees; leaves opposite or verticillate, petiolate; flowers yellow 

 or red, in chiefly terminal scorpioid cymes; calyx 5-lobate or 5-dentate; corolla 

 tubular or funnelform, the tube 5-costate, the lobes short, imbricate; fruit 

 small, baccate, 5-celled; seeds numerous, minute, angulate. 

 Calyx lobes oblong to subulate, longer than broad. 



Calyx lobes subulate; corolla 3.5 to 4 cm. long 1. H. xorullensis. 



Calyx lobes mostly oblong, obtuse; corolla 1.8 to 2.3 cm. long. 



Corolla villous outside; leaves villous beneath 2. H. rovirosae. 



Corolla glabrous or minutely puberulent; leaves puberulent beneath along 



the veins 3. H. calycosa. 



Calyx lobes deltoid, as broad as long. 

 Flowers not seeund or obscurely so, pedicellate; fruit globose; corolla 8 to 



13 mm. long 4. H. versicolor . 



Flowers seeund, mostly sessile; fruit usually longer than broad; corolla 14 to 

 22 mm. long. 

 Mature leaves glabrous, or pubescent beneath along the costa and lateral 



nerves; leaves mostly quaternate 5. H. nodosa. 



Mature leaves copiously pubescent beneath, usually over the whole surface; 

 leaves mostly ternate 6. H. erecta. 



1. Hamelia xorullensis H. B. K. Nov. Gen. & Sp. 3: 414. 1818. 

 Hamelia hypomalaca Robinson, Proc. Amer. Acad. 45: 406. 1910. 



Sinaloa and Durango to Michoacdn; type from Volcan de Jorullo, Michoaciin, 

 altitude 1,150 meters. 



Shrub, about 3 meters high; leaves mostly ternate, oval to elliptic, 6 to 13 

 cm. long, acuminate, rounded or obtuse at base, densely short-pilose or vil- 

 losulous beneath; corolla yellow, 3.5 to 4 cm. long, the throat 1 cm. broad or more. 

 " Aguacatillo " (Michoacdn). 



2. Hamelia rovirosae Wernham, Journ. Bot. Brit. & For. 49: 211. 1911. 

 Hamelia patens coronata Donn. Smith, Bot. Gaz. 40: 4. 1905. 



Type from Rio San Sebastian, Tabasco. Central America. 



Large shrub, sometimes scandent, the branches villous; leaves ternate, elliptic 

 or elliptic-oblong, 5 to 11 cm. long, short-acuminate, acute at base; corolla red, 

 1'8 to 24 mm. long. 



3. Hamelia calycosa Donn. Smith, Bot. Gaz. 12: 132. 1887. 

 Hamelia chiapensis T. S. Brandeg. Univ. Calif. Publ. Bot. 6: 71. 1914. 

 Chiapas. Guatemala; type from Pansamald. 



Shrub, about 4 meters high; leaves mostly ternate, elliptic or oblong-elliptic, 

 6 to 8.5 cm. long, acuminate, acute at base; corolla yellow, 18 to 22 mm. long. 



4. Hamelia versicolor A. Gray; S. Wats. Proc. Amer. Acad. 21: 416. 1886. 

 Sinaloa to Oaxaca; type from barranca near Guadalajara, Jalisco. 



Shrub, 1.5 to 3 meters high; leaves mostly ternate, ovate to eUiptic-oblong, 

 3 to 12.5 cm. long, acute or acuminate, rounded to acute at base, puberulent or 

 villosulous beneath; corolla orange, becoming red in age; fruit red, 5 to 7 mm. 

 long. "Sangre de toro," "coralillo" (Sinaloa). 



The fruit gives a lilac dye. 



