SOUTH AMERICAN PLANTS, 43 



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going genera^ agreeing with all the Solandrece in its habit, its 

 coriaceous leaves, and terminal paniculated inflorescence, and 

 although its flowers are much smaller, they agree in having a 

 fleshy tubular corolla with five short lobes, which are imbricated in 

 aestivation. They present the unusual character of the insertion 

 of the stamens upon a free perigynous ring, as in Trigueray but 

 with the peculiarity of being adnate upon its external face ; hence 

 the derivation of its generic name, from eKro^^ extra, and ^w/^a, 

 cingula. In most cases where the stamens spring from a perigynous 

 ring, the filaments originate from its inner face, as in Salpichromay 

 or from its margin, as in Triguera ; but we have a somewhat ana- 

 logous case in Campanula medium^ where the filaments are di- 

 stinctly adnate upon the back of the large, broad processes, that 

 form the fornix around the base of the style, peculiar to that 

 genus. Its generic features may be characterized as follows : — 



EcTozoMA (gen. nov.) . — Cahjx campanulatus, brevis, crassus, sub- 

 £equaliter 5-dentatus, dentibus triangularibus, erectis. Corolla 

 breviter tubulosa, medio subinflata, crasso-carnosa, Umbo 5- 

 lobo, lobis suborbicularibus, sestivatione imbricatis. Stamina 5, 

 ^quaha, inclusa, filamenta brevissima, compressa, e dorso an- 

 uuli perigyni liberi tenuis margine ciliati orta. Anther^e ob- 

 longs, imo subcordatse, apice mucronulatae, lobis coriaceis con- 

 nectivo dorsali lineari parallele adnatis, margine longitudina- 

 liter dehiscentibus. Ovarium obovatum. Stylus erectus. Stig- 

 ma fere exsertum, globosum, sub-2-lobum. Frudus ignotus. 

 SuflFrutex Ecuador ensiSyglaberrimuSy suhscandensV, foha altermy 

 ovata, vix acuta ; inflorescentia paniculata, terminalis. 



1. ^c/o^oma Pflwmi ;— glaberrima, ramulis compressis, suban- 

 gulatis, epidermide rimosa ; foliis late ovatis, basi apiceque ob- 

 tusiuscuhs, vix acutis, crasso-coriaceis, supra impresso-punc- 

 tulatis, venis insculptis, subtus pallidis, venis prommentibus, 

 petiolo crasso canaliculate ; racemis paniculatis, 2-3, termi- 

 nalibus; floribus breviter pedicellatis, calyce camoso auran- 

 tiaco, piloso, pilis brevibus articulatis ; corolla carnosa, aurau- 

 tiaca, glabra, limbi laciniis crasslusculis.— Guayaquil, v. s. in 

 herb. Mus. Brit, {Pavon). 



This plant bears much resemblance in its habit to Juanulloa 

 and Sarcophjsa. Its branchlets are much compressed, covered 

 with a shining peeling bark ; the leaves are 5 mches long, 3^ 

 inches broad, on a thick channeled petiole of half an mch m 

 length. Its paniculate branching raceme is about 2 mches long, 

 each pedicel is 1 line long ; the cal}^, 4 lines in length and 3 Jmes 

 in diameter, is very fleshy and rugosely pilose, and is ™ed to 

 one-third its length into five equal erect teeth ; the tube ot the 

 corolla is 3 lines long, and the circular lobes of its border 1 line 



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