MEXICAN AND CENTRAL AMERICAN UMBELLIFER^E I33 



Chiapas : along road between Tuxtla and San Cristobal, altitude 

 690-1650 meters, Nelson 3124, September 14, 1895; along road 

 between Tenejapa and Yajalon, altitude 900-1500 meters, Nelson 

 3246, October 13, 1S95. 



Oaxaca : Sierra de San Felipe, altitude 2000 meters, Conzatti <& 

 Gonzalez, 226, July 25, 1897. 



Vera Cruz: Orizaba, Altatnirano 25, July 1890. 



Jalisco: near Huejuquilla, Rose 2526, August 24, 1897; on table- 

 land near Bolanos, Rose 3681, September 9, 1897. 



Tepic : on the Sierra Madre near Santa Teresa, Rose 2234, August 

 13, 1897. 



Sinaloa : near Colomos, Rose 1743, July 18, 1897. 



13. Museniopsis cordata C. & R. Contr. Nat. Herb. 3: 304. 1895. 



Velcea cordata Drude, in Nat. Pflanzfam. 3®: i6g. 1898. 



14. Museniopsis reticulata C. & R., sp. nov. 



Stems about 9 dm. high, erect, branching and rather naked above, 

 from an elongated root; leaflets 5, lower pair distant, simple or 2 or 3- 

 cleft, with sharp and distant serrations, linear-lanceolate, 2 to 4 cm. 

 long, 8 to 14 mm. broad, rigid ; umbels compact, with very short rays, 

 usually no involucre, and involucels of a few linear bractlets ; rays 

 (in flower) 4 to 6 mm. long; pedicels 2 to 3 mm. long; flowers deep 

 purple ; fruit immature. 



Durango : southern Durango, Rose 2257, 3512, August 13-15, 

 1S97. 



15. Museniopsis dissecta C. & R. Contr. Nat. Herb. 3 : 304. 1895. 



Velcea dissecta Drude, in Nat. Pflanzfam. 3^ : 169. 1898. 



16. Museniopsis scabrellaC. & R. Contr. Nat. Herb. 3 : 304. 1895. 



Velcea scabrella Drude, in Nat. Pflanzfam. 3^ : 169. 1898. 



17. Museniopsis serrata C. & R. Contr. Nat. Herb. 3 : 304. 1895. 



Velcea serrata Drude, in Nat. Pflanzfam. 3^: 170. 1898. 



Oaxaca: Las Sedas (type locality), Rose cG Hotigh 4629, June 16— 

 21, 1899. 



18. Museniopsis ovata C. & R., sp. nov. 



Stems erect and slender, 3 to 6 dm. high, somewhat branching, 

 more or less puberulent ; leaves twice ternate, the petioles, veins, and 

 margins more or less scabrous; ultimate divisions ovate, with rounded 

 and apiculate teeth ; umbels loose, lateral ones often sessile, with 

 3 to 6 unequal rays, and neither involucre nor involucel; rays (in 

 flower) I to 2.5 cm. long; fruiting pedicels elongated; fruit (imma- 

 ture) puberulent. 



Zacatecas : east range of the Sierra Madre, Rose 2361, 2394, 

 August 16-18, 1897. 



