STANDLEY TREES AND SHRUBS OF MEXICO. 653 



an alterative. It is employed for syphilitic affections, scrofula, cutaneous 

 diseases, and chronic hepatic affections. 



Hernandez gives two figures' that appear to represent species of this genus, 

 both without description. Each is said to bear the name " amozotl." 



Staminate flowers solitary in the bracts. 



Staminate calyx 1.5 mm. long 1. S. acutifolia. 



Staminate calyx 3 to 3.5 mm. long 2. S. niacrantha, 



Staminate flowers several in each bract. 



Leaves opposite 3. S. sanguinolenta. 



Leaves alternate. 



Leaves linear or lance-linear, less than 8 mm. wide 4. S. bicarpellaris. 



Leaves lanceolate or elliptic, 12 to 22 mm. wide 5. S. zelayensis. 



1. Stillingia acutifolia Benth. ; Hemsl. Biol. Centr. Amer. Bot. 3: 135. 1883. 

 Sapium acutifoUum Benth. PI. Hartw. 90. 1842. 



Stillingia propria T. S. Brandeg. Univ. CaUf. Publ. Bot. 6: 185. 1915. 

 Chiapas. Guatemala ; type from Hacienda de Argueta. 



Shrub ; leaves alternate, ovate-lanceolate. 4 to 7 cm. long, acuminate, sharply 

 serrate ; capsule 5 mm. long. 



2. Stillingia macrantha (Muell. Arg.) Benth.; Hemsl. Biol. Centr. Amer. 



Bot. 3: 135. 1883. 

 Gymnostillinffia macrantha Muell. Arg. Linnaea 32: 90. 1863. 

 Based upon a plant said to have been collected in Mexico by PavSn. 

 Leaves ovate-lanceolate, 6 to 7 cm. long, cuspidate-acuminate, serrate. 



3. Stillingia sanguinolenta Muell. Arg. Linnaea 32: 88. 1863. 



Nuevo Leon, San Luis Potosl, and Veracruz ; type from " Bauos de Atot." 

 Shrub, about a meter high or smaller ; leaves linear-lanceolate to ovate, 2 to 5 

 cm. long, serrate. 



Very variable in leaf shape. Material from Chiapas is closely related. 



4. Stillingia bicarpellaris S. Wats. Proc. Amer. Acad. 21: 455. 1886. 

 Coahuila to Guanajuato and Hidalgo ; type from Sierra Jimulco, Coahuila. 

 Shrub, 1 to 1.5 meters high; leaves 3 to 7 cm. long, very shortly petiolate, 



remotely glandular-denticulate ; capsule about 9 mm. long. 



5. Stillingia zelayensis (H. B. K.) Muell. Arg. Linnaea 32: 87. 1863. 

 Sapitwi selayense H. B. K. Nov. Gen. & Sp. 2: 51, 1817. 



Jalisco to San Luis Potosi and Morelos ; type from Celaya, Guanajuato, 

 Shrub, about a meter high ; leaves 3.5 to 9.5 cm. long, acuminate to very 

 obtuse, sharply serrulate ; capsule 10 to 12 mm. long. 



77. BTJXACEAE. Box Family. 

 Shrubs or small trees; leaves opposite, persistent, entire; flowers unisexual, 

 in axillary inflorescences, small and inconspicuous; perianth of 4 or 5 sepals 

 in the staminate flowers ; petals none ; stamens 4 or numerous ; ovules solitary 

 or geminate; fruit a 3-celled capsule. 



Stamens 4; capsule 3-horned at apex 1. BUXUS. 



Stamens numerous ; capsule not 3-horned 2, SIMMONDSIA. 



1. BUXUS L, Sp, PI. 983. 1753. 

 Shrubs, glabrous or pubescent; leaves short-petiolate, coriaceous; flowers 

 in dense axillary clusters, sessile or short-pedicellate; stamens opposite the 

 sepals ; sepals 6 in the pistillate flowers ; seeds 3-angled, 



* Thesaurus 349, 458, 1651. 



