98 PROCEEDINGS OF THE AMERICAN ACADEMY 



HousTONiA ACEROSA, Gray, 1. c, 203. {Hedyotls acerosa^ Gray. 

 Mallostoma acerosa, Ilemsl.) In the Caracol Mountaius, at Soledad 

 (401), and at Juraz, Coaliuila (402). Also a form with broader 

 leaves, and more conspicuous stipules uniting their bases, from the 

 Sierra Madre, south of Saltillo (400), and from the mountains east- 

 ward (403) ; 302 Parry & Palmer. 



HousTONiA FASCiCULATA, Gray, 1. c. In the mountains northeast 

 of Monclova (404), and at Saltillo, Coaliuila (406). 



Basanacantha (?) RETICULATA. A low stout unarmed shrub, 

 the leaves and younger branches densely covered with a short spread- 

 ing pubescence : leaves ovate to oblong-ovate or oblanceolate, obtuse 

 or acutish, petiolate, 1 to 3 inches long, i^rominently reticulate-veined 

 beneath ; stipules submembranous, broadly triangular-lanceolate : 

 flowers dioecious, glabrous, the staminate nearly sessile in short axil- 

 lary corymbs, the pistillate solitary, terminal on short branchlets : 

 staminate calyx very short (LV lines long), the linear teeth exceed- 

 ing the campanulate tube ; corolla white, 6 to 9 lines long, the nar- 

 row tube exceeding the lobes ; stamens 5, very short in the glabrous 

 throat; style of the abortive ovary equalling the tube, 2-cleft: corolla 

 of fertile flower unknown ; the globose ovary crowned by the five 

 persistent lanceolate calyx-teetli ; fruit 9 lines in diameter, 2-celled, 

 the numerous horizontal seeds immersed in the pulpy placentae. — At 

 San Lorenzo de Laguna, Coaliuila (393). A peculiar species, proba- 

 bly to be referred to this genus, which however is scarcely distinct 

 from Randia. 



Randia Xalapensis, Mart. &. Gal. At Guajuco, Nuevo Leon 

 (158). 



DiODTA TERES, "Walt. At Sutherland Springs, Texas (409). 



DiODiA PROSTRATA, Swartz, var. longiseta, DC. In San Luis 

 Potosi Valley (10o6 Schaflfner, in part), and in the Morales Mount- 

 ains (839 Schaffner) ; 303 and 304 Parry & Palmer. Probably 

 distinct from the West Indian form. 



DiODiA TRICOCCA, Torr. & Gray. At Sutherland Springs, Texas 

 (408), and at Corpus Christi, near the beach (1186) ; also at Monte- 

 rey, Nuevo Leon (1187). 



DiODiA tetracocca, Hemsl. Diag. PI. Nov. 2. 32, and Bot. Biol. 

 Centr.-Amer. 2. 56, t. 40, fig. 10-15. In San Luis Potosi Valley 

 (1056 Schaffner, in part), and in the San Miguelito Mountains (838 

 Schaffner). 



Mitracarpium BREViFLORUiw, Gray. In San Luis Potosi Val- 

 ley (1035 Schaff"ner) ; 305 Parry & Palmer. 



