202 PATAGONIAN EXPEDITIONS: BOTANY. 



scales 5, fixed midway in the tube. Stigma with a boss, or 2-beaked. 

 Cyme 2-few-flowered, on a short axillary peduncle ; flowers rather large. 



2. ARAUJIA MEGAPOTAMICA G. Don. 

 Syn. A.fusca Gris. 



Twining glabrous shrub. Leaves sagittately cordate, acuminate ; 

 peduncles i-flowered; lobes of tree staminal crown-toothed. 

 Brazil ; Argentina. 

 Also after Amujia, the genus. 



PHILIBERTIA H.B.K. (being American species of Sarcostema 

 Decne. as in DC. Prodr., viii, p. 539). 



Throat of corolla naked ; staminal crown usually double ; leaves fleshy, 

 ligulate, or rounded-tumid. Outer crown adnate to base of corolla, mem- 

 branaceous, its margin entire; caudicles of pollinia not appendaged; 

 corolla lobes contorted, covering each other dextrorsely. Corolla broadly 

 campanulate, more or less 5-cleft ; scales of inner crown 5, broad ; joining 

 the staminal base. Stems winding hoary, or villous. 



P. CYNANCHOIDES Dene. 



Twining, glabrous, puberulous when young. Leaves cordate, attenuate, 

 petiolate. Peduncles many-flowered, exceeding the leaves. Segments of 

 corolla ovate, extrorsely pubescent, silky, introrsely papillose. Leaflets of 

 outer crown slightly exceeding the gynostegium ; follicles ovate, tomentose. 



Mexico. 



P. GILLIESII H. & A. 



Twining. Leaves glabrous or nearly so. Flowers densely hairy, outer 

 crown sinuately 5-lobed, inner with oval leaflets, acuminate, equaling the 

 gynostegium ; stigma rostrate. 



Madagascar. North Patagon., near Carmen de Patagones; mouth of 

 Rio Negro ; Puerto San Antonio. Leaves smaller and thicker than the 

 type. Closely pubescent and hispidulous on both sides. 



P. SOLANOIDES H.B.K. 



Branching and twining shrub, with opposite pubescent branches, and 

 opposite, petiolate, oblong acute leaves, entire and marginally wavy, and 

 interpetiolar peduncled umbels, 8-io-flowered. Calyx 5-partite, the seg- 



