STANDLEY TREES AND SHRUBS OF MEXICO 1381 



Corolla glabrous. 



Leaves villosulous beneath, at least along the costa, mostly elliptic. 



9. H. chiapensis. 

 Leaves glabrous or strigillose beneath, obovate-oblong or ovate-oblong. 

 Calyx lobes deltoid, minute; leaves caudate-acuminate. 10. H. conzattii. 

 Calyx lobes oblong, 1 mm. long; leaves attenuate at apex. 



11. H. strigillosa. 



1. Hoflfmannia lenticellata Hemsl. Diag. PI. Mex. 30. 1879. 

 Veracruz, the type from Orizaba. Guatemala. 



Glabrous shrub; leaves petiolate, obovate or elliptic, 10 to 22 cm. long, obtusely 

 acuminate; flowers 6 mm. long. 



2. Hoffmannia discolor (Lemaire) Hemsl. Biol. Centr. Amer. Bot. 2: 36. 1881 

 Campylobotrys discolor Lemaire, Fl. Serr. Jard. 3: Misc. 37. 1847. 

 Described from cultivated plants which were believed to be of Mexican origin; 



reported from Chiapas. 



Plants herbaceous or suffrutescent; leaves petiolate, obovate, 14 cm. long, 

 obtuse or acutish, acute at base. 



3. Hoflfmannia refulgens (Hook.1 Hemsl. Biol. Centr. Amer. Bot. 2: 37. 1881. 

 Higginsia refulgens Hook, in Curtis's Bot. Mag. pi. 5346. 1862. 



Chiapas. Central America. 



Plants suffrutescent; leaves short-petiolate, obovate, 9 to 25 cm. long, rounded 

 or obtuse at apex, acute at base; peduncles 2.5 to 12 cm. long. 



4. Hoffmannia rosei Robinson, Proc. Amer. Acad. 45: 407. 1910. 

 Type from Pedro Paulo, Tepic. 



Shrub, 3 meters high; leaves petiolate, obovate or elliptic-oblong, 6 to 12 cm. 

 long, acuminate, minutely puberulent beneath; corolla white, 7 mm. long. 



5. Hoffmannia rotundata Standi. Contr. U. S. Nat. Herb. 20: 204. 1919. 

 Type from Cerro del Boquer6n, Chiapas. 



Leaves petiolate, obtuse to acute and short-acuminate, ferruginous-villous 

 beneath, especially along the veins; corolla 6 to 8 mm. long. 



6. Hoffmannia mexicana (Link, Klotzsch & Otto) Hemsl. Biol. Centr. Amer. 



Bot. 2: 37. 1881. 

 Higginsia mexicana Link, Klotzsch & Otto, Icon. PI. Rar. Hort. Berol. 1: 57. 



pi. 23. 1841. 

 Veracruz; Chiapas (?); described from cultivated plants. 



Slender shrub, 0.6 to 1.2 meters high; leaves slender-petiolate, 2 to 9.5 cm. 

 long, acute or acuminate, puberulent or villosulous beneath along the veins; 

 corolla yellow, 7 mm. long; fruit red, 5 to 9 mm. long. 



7. Hoffmannia orizabensis Standi. Contr. U. S. Nat. Herb. 20: 205. 1919. 

 Type from the region of Orizaba, Veracruz. 



Low shrub; leaves slender-petiolate, elliptic or eUiptic-oblong, 3 to 8 cm. long, 

 acute, rufous-villosulous beneath along the veins; cymes about 4-flowered; 

 corolla 12 to 13 mm. long. 



8. Hoffmannia cuneatissima Robinson, Proc. Amer. Acad. 45: 407. 1910. 

 Morelos; type from Cuernavaca, altitude 1,950 meters. 



Shrub; leaves slender-petiolate, oblanceolate or obovate, 6 to 16 cm. long, 

 short-acuminate, puberulent beneath along the veins; cymes 4 to 8 flowered; 

 corolla yellowish, 1 cm. long; fruit 5 mm. in diameter. 



9. Hoffmannia chiapensis Standi. Contr. U. S. Nat. Herb. 20: 206. 1919. 

 Type from Cerro del Boquer6n, Chiapas. 



Leaves slender-petiolate, 10 to 19 cm. long, acuminate; cymes few or many- 

 flowered; corolla yellow, 10 to 12 mm. long. 



