388 PROCEEDINGS OF THE ACADEMY OF [1898. 



LILIACEJE. 



64. Milla biflora Cav. Ic, II, 76 t. 196. 

 Pedregal, Aug. 20 (repeated). 



65. Calochortus fiavus Schult. f. Syst., VII, 1535 ; Biol. Cent. Am. Bot., Ill, 380. 

 Reported in both North and South Mexico. The flowers have 



large nectar glands on the petals guarded by hairs. 

 Pedregal, Aug. 20 (161). 



ORCHIDACEJE. 



66. Habenaria filifera Wats. 



Collected by Mexican botanists on Sierra de Ajusco at Eslava, 

 8,000 feet. Pedregal, Aug. 22. 



CUPULIFER.EJ. 



67. Quercus undulata Torr. var. grisea Engelm. Q. undulata in Ann. Lye. N. York, 



II, (1828) 248, t. 4. 



A low-growing, scrubby tree, used for fire-wood. Pedregal, Aug. 



22 (195). 



PORTULACACEJE. 



68. Talinum napiforme DC. (Char, amplif.) Henisley, Diag. PI. Nov. pars altera., 



23 ; DC. Prodr., Ill, 357 ; Biol. Centr. Amer. Bot., I, 79 ; Bull. Torrey Bot. 

 Club, XXIV, 183, t. 299. 



Described from drawing made by DC. of the species. Pedregal, 

 Aug. 20 (166). 



CARYOPHYLLACE^J. 



69. Drymaria gracilis Cham. & Schlecht. in Linnaea, V (1830) 232; Biol. Centr. 



Amer. Bot., I, 73, 



South Mexico. Pedregal, Aug. 22 (199). 



EANUNCULACE51. 



70. Clematis dioica Linn. Syst. ed. X, 1084; Sloane, Hist. Jam., I, 199, 1. 128, fig. 



1 ; Biol. Centr. Amer. Bot., I, 2. 



Recorded in several places in South Mexico, also found in Brazil, 

 Colombia and West Indies, "Cabello de Angel" (Cuba). 

 Pedregal, Aug. 20 (162). 



LEGUMINOS^!. 



71. Phaseolus sp. 



Pedregal near Tlalpam, Aug. 20th (187). 



72. Zornia diphylla Pers. Syn., II, 318; Benth in Mart. Fl. Bras., XV, 80 tt., 21, 



22 ; Biol. Centr. Amer. Bot., I, 273. 



A very variable plant, common in most tropical and subtropical 

 regions throughout the world, and occurring in nearly all collections 



