1646 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



The leaves and stalks are eaten after having been cooked for one or two da\'s 

 in pits in the sand. The flowers also are eaten, and are sometimes dried for use 

 in winter. 



Page 128. Agave compluviata. This name should be placed in synonymy 

 under the following, the earlier name for the species: 



Agave complicata Trel.; Ochoterena, Mem. Soc. Antonio Alzate 33: 100. 

 1913. Type from Durango. 



Page 130. Agave atrovirens. Known also as "maguey de pulque" and 

 "teometl." 



Page 133. Agave asperrima. "Maguey bruto," "maguey de cerro" (Ocho- 

 terena); "maguey" (Zacatecas); "maguey cenizo" (Coahuila). 



Page 141. Agave striata. "Guapilla" (Hidalgo). 



Page 142. The following species of Agave are to be added to those listed: 



Agave cernua Berger, Agaven 122. /. 29, SO. 1915. Believed to be a native 

 of Mexico; described from cultivated plants. 



Agave chrysoglossa I. M, Johnston, Proc. Calif. Acad. IV. 12: 998. 1924. 

 Type from San Pedro Nolasco Island, Gulf of California. 



Agave conjuncta Berger, Agaven 194. /. 64. 1915. Described from cul- 

 tivated plants, probably of Mexican origin. 



Agave cupreata Trel. & Berger; Berger, Agaven 197. 1915. Type from the 

 Sierra Madre of Michoacan or Guerrero. "Maguey de mezcal." 



Agave diflformis Berger, Agaven 95. /. IS. 1915. Described from culti- 

 vated plants, perhaps of Mexican origin. 



Agave erosa Berger, Agaven 191. 1915. Described from cultivated plants, 

 perhaps of Mexican origin. 



Agave flaccifolia Berger, Agaven 42. 1915. Described from cultivated 

 plants, perhaps of Mexican origin. 



Agave kirchneriana Berger, Agaven 252. 1915. Type from Xochipila anu 

 Zumpango, Guerrero. " Maguey delgado." 



Agave noli-tangere Berger, Agaven 103. 1915. Described from cultivated 

 plants, perhaps of Mexican origin. 



Agave oweni I. M. Johnston, Proc. Cahf. Acad. IV. 12: 999. 1924. Type 

 from an island in Guaymas Harbor, Sonora. 



Agave pampaniniana Berger, Agaven 193. /. 62. 1915. Described from 

 cultivated plants, perhaps of Mexican origin. 



Agave paupera Berger, Agaven 235. 1915. Described from cultivated plants, 

 perhaps of Mexican origin. 



Agave purpusorum Berger, Agaven 111. 1915. Tjpe from Tehuacdn, 

 Puebla. 



Agave schneideriana Berger, Agaven 256. 1915. Described from cultivated 

 plants of Mexican origin. 



Agave sleviniana I. M. Johnston, Proc. Calif. Acad. IV. 12: 1000. 1924. 

 Type from La Paz, Baja California. 



Agave vernae Berger, Agaven 245. /. 73. 1915. Described from cultivated 

 plants, perhaps of Mexican origin. 



DIOSCOREACEAE. 



Page 144. Dioscorea macrostachya. In a recent monograph of the genus 

 Dioscorea, Testudinaria cocolmeca is referred definitely by Knuth (in Engl. 

 Pflanzenreich IV. 43: 164. 1924) to synonymy under this species. The root 

 of the plant is a large hard tuber, partly above ground, its covering consisting 

 of a thick dark coat that is broken into numerous polygonal plates. Dr. Reko 

 has furnished the following information with regard to the plant: "Bejuco de 

 coraza," "cocolmecatl." The young fleshy asparagus-like shoots contain an 



