116 



with broad open sinus; male flowers in long racemes (10 to 20 cm.), pedicels slender; 

 corolla large (10 mm. wide), petals refuse, glabrous both within ami without; 

 female (lowers nearly sessile; fruit oblong, 25 mm. long, with a slender beak ; 

 prickles short and stiff. 



It differs from E. wriijhtii in its very long racemes, large male ilowers which are 

 not at all punctate-ghiudulose, and perhaps smaller fruit. 



SPECIiMKNS EXAMINED IN G1JAY HERBARIUM. 



New Mexico: 



Prinos Altos Mountains, September 10, 1890, E. L. Creene; 



Copper Mines, October 11, 1891, Geo. Thurber (No. 1122); also a second speci- 

 men without data, also C. Wright's specimen from the Coppermine Creek, 

 August, 1X51, referred to E. coulteri in original description. 



This species was also originally included by Dr. Gray in Elaterium coulteri, which 

 species was based upon fruiting specimens collected by Coulter and flowering speci- 

 mens of this species, which we now separate for the tirst time. 



Certain specimens of tins species have been confused with E. wrightii. 



E. confusu8 and E. wrightii are the only two species of this genus found in the 

 United States. 



Echinopepon coulteri (Cray) Rose. Elateriumf coulteri Gray, PI. Wright. 2:61. 

 185!}. Ediinocijstis coulteri Cogn. Mem. Cour. Acad. I5elg. Xvo, 28: 88. 1878. 



Collected by Mr. C. G. Pringle in the Sierra de San Felipe, Oasaca, altitude 2,460 

 meters, October 5, 1894 (No. 4958). 



These specimens answer better to the type of E. coulteri than any of the various 

 specimens heretofore referred to it, and so far as I am aware it is really the first time 

 the species has been re-collected. 



The original description was based upon several specimens which appear to me to 

 belong to two species. Those from the United States I have separated as above under 

 the name of E. confusm. I have taken as the type of E. coulteri, Coulter's No. 51 

 from Zacatecas, Mexico, as this is the first plant mentioned in the description and 

 the one which suggested the specific name. Professor Cognianx lias referred to E. 

 coulteri, E. horridus, but a careful examination of considerable material has led me to 

 separate the latter as below. 



Echinopepon floribundus (t'o^n.) Rose. Echiitocystiu Jloribunda Cogn. Mem. Cour. 

 Acad. Belg. Svo, 28: 89. 1878. 



Collected by Mr. E. W. Nelson in the valley of Oaxaca, altitude 1,607 to 1,705 meters. 

 September 20, 1894 (No. 1272), and between Huajuapaui, State of Oaxaca, and Relta- 

 zingo, State of Puebla, altitude 1,540 to 2,146 meters, November 19, 1894 (No. 1988); 

 also from the same valley by Hev. Lucius C. Smith, October 8, 1894 (No. 217), and by 

 Mr. C. G. Pringle in the valley of Oaxaca, State of Oaxaca, altitude 1,078 meters. 

 September 22, 1894 (No. 4957). 

 Echinopepon horridus Naud. Ann. Sci. Nat. ser. 5, 6:19. 1866. 



It seems to be best to keep this separate from E. coulteri, to which it has been 

 referred by Professor Cognianx; it differs especially in the shape and lobing of the 

 leaves, the much larger and more spiny fruit, the punctate-glandular corolla, etc. 



SPECIMENS EXAMINED. 

 Central America : 



Cartae;o, Prov. Cartago, Costa Rica, altitude 1,040 meters, Juan -/. Cooper, 



November, 1887 (No. 5775). 

 Haie stir les bords du Rio Maria Aguilar, Costa Rica, altitude 1,135 meters, Ad. 



Tonduz, November 11, 1892 (No. 7177), and altitude 1,100 meters, December 



29, 1892 (No. 7267). San Jose, Costa Rica, //. Pittier, November, 1889. 

 Cohan Alta Paz, Guatemala, //. von Turckheim, December, 1886 (No. 1099). 

 Buena Vista, Depart. Santa Rosa, Guatemala, altitude 1,807 meters, Heyde if- 



Lux, December, 1892 (No. 4188). 



