402 PROCEEDINGS OF THE ACADEMY OF [1898. 



OOMMELINACEJE. 



163. Weldenia Candida Schult f. in Flora, XII, (1829) 3t., 1A. ; C. B. Clarke in DC. 



Monogr. Phanerog., Ill, 319 ; Biol. Centr. Amer. Bot., Ill, 396. 



South Mexico, between Chico and Real del Monte (Ehrenberg), 

 Nevada deToluca (Karwinski), Cuesta de Catinga (Schiede) ; Gua- 

 temala, Volcan de Agua at 14,000 feet (Hartweg). " Yerba de la 

 rata." At base of Abies religiosa, Salazar, Sierra de las Cruces, 

 10,000 feet, Aug. 13 (13). 



164. Commelina sp. 



Salazar, 10,000 feet, Aug. 13 (17a). 



165. Tradescantia sp. 



Salazar, 10,000 feet, Aug. 13 (24). 



IRIDACEJE. 



166. Sisyrinchiuin Schaffneri S. Wats, in Proc. Amer. Acad., XVIII, (1883), 160 ; 



Biol. Centr. Amer. Bot., Ill, 330. 



North Mexico, region of San Luis Potosi, (SchafFner, Parry & 

 Palmer). Salazar, Sierra de las Cruces, 10,000 feet, Aug. 13 (26). 



URTIOACE^. 



167. Urtica Breweri S. Watson in Proc. Amer. Acad., X, (1875), 348. 



Salazar, 10,000 feet, Aug. 13 (56). 



PORTULACACE^l. 



168. Claytonia perfoliata Donn. Ind. Hort. Cant.,25, ex. Willd. Sp., PI., I, 1,186; 



Bot. Mag., t. 1,336 ; Biol. Centr. Amer. Bot., I, 80. 



Temperate North America to South Mexico. An annual succu- 

 lent herb, serving for salad and also for spinach. The Indians of 

 Mexico, eat it raw. " Qualite de venado." Salazar, Aug. 13 (55). 



OARYOPHYLLACE^. 



169. Arenaria alsinoides Willd. ex Schlecht in Ges. Naturf. Fr. Berl. Mag., VII, 



(1813), 201. 

 A, lanuginosa Rohrb. in Mart. Fl. Bras., XIV, ii, 274. 



Common from North Carolina to Mexico, Central America, Peru 

 and Bolivia also in the West Indies. Salazar, Aug. 13 (48). 



170. Arenaria decussata AVilld. ex Schlecht in Ges. Naturf. Fr. Berl. Mag., VII, 



(1813), 212; Biol. Centr. Amer. Bot., I, 70. 



A dwarf alpine plant collected at Salazar, 1-2 inches high. North 

 to South Mexico. Salazar, Aug. 13 (27). 



171. Cerastium viscosum Linn. Sp. PI. 437. 



C. glomeratum Thuill, Fl. Par. ed., II, 226. 



Salazar, 10,000 feet, Aug. 13 (16). 



