240 CONTRIBUTIONS FROM THE NATIONAL. HERBARIUM. 



Leaves oval, 8 to 18 cm. long, deeply cordate at base, rounded and short- 

 pointed at apex. 



6. Aristolochia grandiflora Swartz, Fl. Ind. Occ. 3: 1566. 1806. 



Chiapas and Yucatan ; reported from Veracruz. Central America and the 

 West Indies ; type from Jamaica. 



High-dimbinj; vine ; leaves large, cordate, acute, nearly glabrous ; calyx very 

 large, the limb sometimes 4.5 cm. long, with a linear tip a meter long, yellowish 

 and purple-spotted inside, the flowers with a disagreeable odor. " Guaco " 

 (Veracruz, Ramirez); " flor de pato " (Yucati'm) ; " guegiiecho," " chompipe " 

 (Nicaragua) ; " moco de giiegiieche " (El Salvador). 



The roots are reputed to be an antidote for the bites of snakes and other 

 poisonous animals, and to have sudorific, abortive, antl eramenagogue properties. 

 Descourtilz states that the plant is poisonous to pigs, and that it was some- 

 times employed in the West Indies to poison human beings. The young shoots 

 are reported to be eaten as a vegetable in some localities. 



7. Aristolochia pavoniana Duchartre, Ann. Sci. Nat. IV. 2: 55. 1854. 

 Described from Mexico, the locality not known. 



Leaves about 6 cm. long, acute ; flowers axillary, solitary, the calyx limb 1.4 

 cm. long. 



8. Aristolochia ovalifolia Duchartre, Ann. Sci. Nat. IV. 2: 50. 1854. 



• Known only from Oaxaca, the ty^e locality, at an altitude of 660 meters. 

 Leaves 15 cm. long, subacuminate ; calyx limb 2.3 cm. long. " Flor de guaco." 



9. Aristolochia maxima L. Sp. PI. ed. 2. 1361. 1763. 



Reported from l^ucatan. Central America, Colombia, and Venezuela. 



Leaves 9 to 15 cm. long, rounded or obtuse at apex and often short-pointed ; 

 flowers large, racemose; capsule about 9 cm. long. "Guaco del sur " (Yuca- 

 tan) ; "guaco" (Guatemala, Colombia, Venezuela); " contracapitano " (Ven- 

 ezuela) ; " cuajilote " (Costa Rica). 



This, like many of the other species, is considered an antidote for snake 

 bites. A closely related plant, possibly the same species, occurs in Tabasco, 

 where it is known a^ " canastilla " and "farolito." It is reported that the 

 young fruits are eaten in Costa Rica. 



10. Aristolochia odoratissima L. Sp. PI. ed. 2. 1362. 1763. 



Tabasco and perhaps elsewhere. Central America and northern South 

 America. 



Leaves deltoid-cordate, acute or acutish, sometimes 3-lobate ; calyx limb 

 broad, about 10 cm. long. " Cocobd," " cococoba " (Tabasco). 



11. Aristolochia pardina Duchartre, Ann. Sci. Nat. IV. 2: 47. 1854. 

 Colima and Guerrero ; type from Colima. 



Stems scandeut, with corky bark ; flowers greenish yellow, with black mark- 

 ings. "Guaco" or " huaco " (Colima); " bejuco amargo " (Guerrero). 



The stems ai"e used as a substitute for cordage, and an infusion of the leaves 

 for fevers. 



12. Aristolochia taliscana' Hook. & Arn. Bot. Beechey Voy. 309. 1839-40. 

 Aristolochia galeottii Duchartre, Ann. Sci. Nat. IV. 2: 44. 1854. 

 Sinaloa, Tepic, and Jalisco (type locality). 



* The specific name is more properly, perhaps, written as " jaliscana," but 

 " taliscatia " is the original spelling. 



