STIRPES EXOTKLE NOV^. 'iftl 



50. AlSTHODlSCUS PERUANUS. 



Àrbor? Folia alterna; petiolo basi haud articulato ; foliolis 3, 

 digitatim summo petiolo articulatis, inœqualibus ; lateralibus multo 

 minoribus m ul toque magis inœqualibus; centrali multo majore 

 pauloque latiore (ad. 8 cent, longo, 3, k cent, lato); omnibus 

 elongato-obovatis subspathulatis, basi valde angustatis, apice 

 obtusis, inœquali-crenatis glaberrimis, subtus pallidis, penniveniis; 

 venis ad médium inter se anastomosantibus, demum insequali- 

 reticulatis. Racemi terminales ; pedicellis basi articulatis foveo- 

 lisquerami infra marginato-prominulis insertis. Calyx cupuliformis 

 coriaeeus subœquali-5-crenatus. Petala ut in génère calyptratrim 

 decidua, coriacea crassa, valde imbricata ; intimo 1, paulo minore. 

 Stamina ima basi omnia in annulum brevem connata, mox in 

 phalanges 5, alternipetalas assurgentia ; in phalangibus singulis 

 centralia multo longiora ; iilamentis apice inflexis ; exteriora autem 

 gradation minora ; tilamentis erectis ; antheris omnibus demum 

 introrsis summoque filamento erectis. Germen basi disco brevi 

 subinsequali cinclum ; loculis ad 12 ; styli ramis totidem radiatis 

 carnosulis linearibus, apice stigmatoso glandulosis, intusque vix 

 sulcatis. Ovula in loculis singulis solitaria, angulo interno paulo 

 supra basin inserta, suborthotropa ; hilo subbasilari (basi anguli 

 interni proximo) ; micropyle supera. Fructus...? — Oritur in 

 Peruvia, ubi legit Rivero (sub C 13 et cum nom. mss. Giliœ 

 calyptratœ), anno 1836. (Herb. Mus. par.) 



51. RUYSCHIA MEX1CANA. 



Frutex scandeus glaberrimus ; ramis teretibus in sicco remofe 

 nodulosis v. cicatricibus prominulis foliorum delapsorum notatis ; 

 cortice pallide griseo. Folia brevissime (ad ^ cent.) petiolata obo- 

 vata (ad 10 cent, longa, 5 cent. lata), basi longiuscule cuneala, 

 apice rotundata v. summo apice breviter apiculata, integerrima 

 pennivenia tenuiter retieulata, utrinque glaberrima fssepe in sicco 



x. (25 mai 1872.) 16 



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