108 schomburgk's guiana plants. 



petaloideis subsequilonga. Capsula ovoidea, calyce parum 

 longior. Semina numerosa, scrobiculata. — Edges of brooks, 

 British Guiana, Schomburgh^ n. 235. 



608. S. erecta, L DC, Prodr. v.'i. p. 315.— Islands of 



the Essequibo, savannahs of Anna-y, &c., Schomhurgh, n, 9, 

 163, and 376, French Guiana, Leprieur, Herb. Par. n. 108; 

 Peru, Mathews, n. 1995; Pernambuco, Gardner, n. 920, and 

 in almost all Brazilian collections. 



609. S. Sprengelii, A. de St Hil. FL Bras. Merid. v. ii. 

 p. 152. — Arid savannahs of Anna-y, Schomburgk, n. 162. 

 French Guiana. Leprieur, Herb. Par. n. 107, and in Salz- 

 mann's and other Brazilian collections. 



610. S. tenella. Lam.— DC. Prodr. v. up. 316.— French 

 Guiana, Leprieur, Herb. Par. n. 110. 



Amongst the plants collected by Martin in French Guiana, 

 are specimens of two species, one of which has been referred, 

 in a set received by Sir W. J. Hooker from Mr Lambert, to 

 the Paypayrola of Aublet. Upon examination, however, 

 notwithstanding some general resemblance in habit, it proved 

 to be a totally different plant, and as the two species in ques- 

 tion appear to form a new genus amongst the parietal orders, 

 allied in some respects to Violacece, in other perhaps to Samy- 

 dace(V, I here subjoin the characters, in as far as I am able 

 to give them without having seen the fruit. 



Periclistia.— Char. Gen Sepala 5, aestivatione imbri- 



cata, persistentia. Petala 5, cum staminibus hypogyna, lan- 

 ceolato-linearia, convoluto-imbricata, crassa, per anthesin 

 erecta, apice clausa et subconnata. Stamina fertilia 5 ; fila- 

 menta brevia in tubum connata, tubo inter antheras nonnun- 

 quam dentibus (staminibus sterilibus ?) aucto ; antherse ad 

 apicem tubi sessiles, introrsae, biloculares, loculis longitudi- 

 naliter dehiscentibus. Ovarium sessile, oblongum, unilocu- 

 lare, placentis tribus parietalibus, ovulis numerosis. Stylus 

 simplex, stigmate obtuso. — Frutices, inflorescentia excepta, 

 glabri. Folia alterna, breviter petiolata, integerrima, cori^ 

 acea. Stipnlcc integrjE, lanceolatae, deciduge v. persistentes. 



