1 891.] Uiide scribed plants from Guate?nala. 9 



Melothria Donnell-Smithii Cogn. (§ Eumelothria); 



monoica; foliis membranaceis, ovatis vel ambitu suborbicular- 

 ibus, utrinque punctato-scabris, integris vel usque ad medium 

 3_5_lobatis, lobis apice saepius rotundatis terminali interdum 

 acuto; cirrhis simplicibus; racemis masculis saepius 3-5-floris, 

 petiolo brevioribus; petalis leviter emarginatis; antheris sub- 

 quadratis, loculis paulo arcuatis, connective* lato; floribus fem- 

 ineislongepedunculatis, fructumajusculo, triloculari, concolore; 

 seminibus immargina^tis. — Rami graciles, elongati, glabri vel 

 vixpilosuli, laeves, alternatimalbo et viridi longitudinaliterstri- 

 ati. Petiolus satis gracilis, brevissime subsparseque hirtellus 

 vel glabratus, 2-5 cm. longus. Folia ovata, integra vel saepius 

 paulo lobata, apice acuta, 0-8 cm. longa, 5-7 cm. lata, supra 

 intense viridia, subtus paulo pallidiora et ad nervos interdum 

 brevissime hirtella, margine minute remoteque denticulata; 



sinus basilaris saepius angustus, 1-1.5 cm. profundus. Cirrhi 

 graciles, sulcati, glabri. Pedunculus communis masculus gra- 

 cilis, puberulus, 1.5-3 cm. longus, apice 2-15-florus; pedi- 

 celli 3-10 mm. longi. Calyx campanulatus, basi obtusus, 

 glaber, 3 mm. longus, minute denticulatus. Corolla tenuis- 

 sime furfuracea, fere 1 cm. lata, segmentis patulis. Antherae 

 ciliatae, 1 mm. longae. Flores feminei solitarii. Pedunculus 

 fructiferus filiformis, 2-6 cm. longus. Fructus ovoideus, 3.5- 

 4 cm. longus, 2.5 cm. crassus. Semina pallida, ovata, 3.5- 

 4 mm. longa, 2-2.5 mm. lata. Species M. scabrae Naud. 

 (Cogn. in DC. Monogr. Phan. Ill, 582) proxima. — Masagua, 

 alt. 400 feet, April, 1890, J. D. S. (Ex PI. cit. 2203). 



Var. /i. hirtella Cogn. — Rami sparse hirtelli. Petiolus 

 densiuscule hirtellus, 3-7 cm. longus. Folia ambitu late ovata, 

 plus minusve lobata, apice saepius obtusa. — Escuintla, alt. 

 1100 feet, March, 1890, J. D. S. (Ex PI. cit. 2206). 



Var. y. rotundifolia Cogn. Rami petiolique ut in typo. 

 Folia ambitu suborbicularia, saepius satis profunde 5-lobata, 

 lobis apice rotundatis.— San Luis, Dept. Escuintla, alt. 1,000 

 feet, Mch. 1890, J. D. S. (Ex PI. cit. 2,208). 



Aiiijuria oblongifolia Cogn.; tota glaberrima; foliis brev- 

 iter petiolatis, integris, oblongis, vix acuminatis, basi acutis, 

 regulariter penninervis; floribus parvis, sessilibus, ad apicem 

 pedunculi communis capitatis; antheris rectis, oblongis, tubo 

 calycis paulo brevioribus, appendice vix perspicua leviter pa- 

 pillosa coronatis. — Rami graciles, laeves, simplices, elongati, 

 striati. Petiolus gracilis, 2-3 cm. longus. Folia tenuiter 



