354 



The Botanical Gazette. lAugust, 



Tragia volubilis Miill. Arg. (§ Eutragi^ DC. Prod. 

 15^: 932.) 



Estanzuela, Depart. Santa Rosa, alt. 2,500", Aug. 1892, 

 Heyde & Lux, no. 3,846. 



Tragia (^uatemalensis n. sp. (§Eutragi^.)— Frutex 



scandens pube brevi et pilis urentibus dense obslta. Petiolus 

 limbo foliorum 2-4-plo brevior, limbo basi palmatinervio 

 et cordato apice breviter acuminato. Racemi longe pedun- 

 culati non bipartiti basi flores duos femininos apice flores 

 plures masculinos gerentes. Bractea feminina aequaliter 

 tripartita; bractea masculina tripartita, lobo medio longiore. 

 Pedicellum masculinum articulatum, parte persistente bractea 



loligiore. 



Calycis femininse lacinia 6 lanceolata, calycis masculinae 



lacinia 3. Stamina 3. 



Leaf palmatinerved at the base with about five veins, the 

 middle one strongest forming the midrib of the leaf. Sec- 

 ondary veins pinnate, three to four pairs. Inflorescence 

 about the length . of the petiole. The two female flowers 

 have such long peduncles that they reach about as high 

 as the top of the male part of the inflorescence. Fruit 

 densely covered with bristly hairs. Seeds globular, pale yel- 

 low with brown irregular dots. Length of limb of leaf 0. 73"". 

 Width of limb of leaf at broadest place o. 3*="". Length of pe- 

 tiole 0.18'"'. Diameter of fruit o. i™. Diameter of seed 

 0.4"". • ' 



icacao, Depart. Alta Verapaz, alt. 3,500", April 1889, J. 

 Donnell Smith, no. 1,763. 



Jatropha Curcas L. (§Curcas DC. Prod. 15^: 1,076.) 



Santa Rosa, Depart. Santa Rosa, alt. 3,ooo^ May 1893, 

 Heyde & Lux, no. 4,582. 



HURA CREPITANS Mull. Arg. 



& Lux, no. 2,901. 



Q 



Johns Hopkins Univcrsity. 



m 



EXPLANATION OF PlATES XXIV AND XXV. 



Plate XXIV. ^ttphorbia leucocephala, 



Fig. I. Dichasium, the length of the lateral cyathia exaggerated to 

 make relations plainer.— Fig. 2. Diagram of dichasiura.^ — Fig. 3. Ii^" 

 volucre from inside, showing lobes, x^ and appendiculate glands. 



