Tabula 2894. 



S^APIUM BUIZII, Hewsl 



EuPHORBTAC'EAE. Tribus Ohotoxkar. 



S. Ruizii, Ilnnsl, species nova, inter species Ccutrali-Americanas 

 foliis praecipue siiboppositis rotundatis serratis distincta, 



Band florigcri graciliusculi, internodiis petiolis longioribus. Folia 

 subopposita, petiolata, coriacea ; lamina ambitu variabilis, nempe 

 lanceolata, elUptica, fere orbicularis, vel obovata, 3-6 cm. longa, 2-4 

 cm, lata, marginc irregulariter pauciglanduloso-serrata, breviter 

 .acunainata; petiolus O'S-l cm. longus ; glandulae globosae, conspicue 

 porosae. Spicae terminales, solitariae, androgynae, folia paulo ex- 

 cedentos. Braeteae utriusque sexus obscure denticulatae. Flores 

 masciiU sub quaque bractea circitcr 6-8» Perianthium florum femi- 

 neorum bilobum ? Ovarfurn exsertum, S-Ioculare^ stjlis arete revo- 

 lutis. 



Mexico or Central America : "Without any special locality, Ruiz and 

 Pavon. 



This plate was prepared by permission of Dr. Rendle from specimens 

 in the British Museum, on the sheet of which is written ^ Hippomayie 

 gJandalosa de Mexico,' and ' Central America ' appears on the same 

 sheet. According to Lasegue (Mus. Bot. Deless. p. 322) the Mexican 

 plants of Ruiz and Pavon's herbarium in the British Museum * parais- 

 sent avoir forme xmepartiede Therbierde Mocino et Sesse.' — W. Botttxg 

 Hemsley. 



Fig. 1, base of petiole and stipules attached to axis ; 2, base of blade and apex 

 of petiole bearing ghmds ; 3, similar, bearing one large gland on the base of 

 blade ; 4, tip of leaf ; 5, portion of margin of leaf ; 6, portion of spike bearing 

 one female flower and two clusters of male flowers ; 7, male flower-bud, laid open; 

 8, anthers. All enlarged. 



There is a specimen in the British Museum of a second apparently 

 undescribcd species of Snpium from the herbarium of Ruiz and Pavon, 

 which may be characterised as follows : 



S. simile, HemsL, species nova foliis iis S, ciliati^ Hemsl. (hujus 

 opcris t, 2683), similibiis sed dimidio brevioribus, brevius pctiolatis 

 lanccolatis acutis, hand caudatis, ct glandulis petiolaribus minoribus 

 inconspicuis cum lamina conflucntibus. Bami crassiusculi, internodiis 



