404 University of ('(lUfornia Publicaiioiif; in Bofavi/ [Vol. lo 



Pouzolzia Purpusii sp. nov. 



Fniticulus monoicus : ramis brnnneis jiinioribus pubescentibvis : 

 foliis alternis ovato-acuminatis basi cuneatis utrin(i\ie adpresse 

 pubescentibus, ca. 1 cm. longis ; stipulis lanceolatis ca. 5 mm. longis, 

 deciduis: pprifjfonio fructifero compresso margine alato, alis mem- 

 branaceis ciliatis venosis; achaenio ovato-acnminato albo nitido. 



The leaves of this species are not tomentose like those of P. nivea 

 and P. Pringlei, and the species differs from other Mexican species in 

 having the fruiting perigonium winged. Collected in rocky ravines 

 of mountains near Hacienda Monserrate, Chiapas. No. 9206. Type, 

 Herb. Univ. Calif. No. 220508. 



Aristolochia oblong'ifolia sp. no v. 



Caulibus puberulis striatis: foliis oblongis apice acutis basi 

 3-nerviis cuneatis vel breviter cordatis utrinque glabris, ca. 10 cm. 

 longis, 4.3 cm. latis ; petiolis ca. 5 mm. longis, puberulis : utriculo 

 globoso diametro ca. 1.4 cm. ; tubo ca. 8 mm. longo ; limbo bilabiato 

 labiis inaequalibus, labio superiori breviter apiculato : antheris 6 ; 

 stylo apice 6-partito. Fructus ignotus. 



The flowers of the specimen have fallen but they seem to have been 

 racemose. Dr. Purpus notes that the bark is corky. Collected near 

 Hacienda Monserrate, Chiapas. No. 9076. Type, Herb. Univ. Calif. 

 No. 220393. 



Coccoloba petrophila sp. nov. 



Frutex parva, ramosa, ramis brunneis : foliis ovatis, utrinque 

 glabris, coriaceis, supra viridibus, subtus pallidioribus, apice obtuse 

 acuminatis, basi angustatis obtusis vel cuneatis, laminis 4-8 cm. longis, 

 1.5-3 cm. latis, venis subtus magis prominentibus; petiolis 0.5-1 cm. 

 longis, ad basin ochrae insertis, quam ochreis brunneis 2-3-plo longi- 

 oribus: inflorescentia solitaria ramos brevissimos terminanti vel 

 axillari ; spieis 4-7 cm. longis, quam foliis longioribus vel latioribus, 

 nodulis 1-2-floris, pedicellis ca. 2 cm. longis, raehi breviter puberuli, 

 pedunculo 3-9 cm. longo : perianthii tubo campanulato ; lobis 5, 

 ochroleucis; antheris exsertis, filamentis basi breviter connatis. 

 Fructus ignotus. 



Collected in a rocky arroyo near Cameron, Vera Cruz. No. 8872. 

 Type, Herb. Univ. Calif. No. 218883. 



Pisonia Purpusii sp. nov. 



Frutex subscandens, ramis divaricatis glabris, interdum spinis 

 paullo curvatis gerentibus : foliis oppositis vel ad apices ramulorum 

 spinescentium fasciculatis, utrinque glabris, ovatis vel obovatis, sepius 



