220 THE JOURNAL OF BOTANY 



dense strigosi lobis brevissimis ; corolla extus asperulo-strigosa 

 tubo validiusculo 6*5 mm. insuper ampliato, lobis oblongo-rotun- 

 datis vix 2 mm. x 1*5 mm.; bacca sparse strigillosa 4-loculare. 



Colombia : Triana, 137 ! Hb. Mus. Brit. 



Distinct in the minutely rough brown indumentum, the small 

 leaves with rounded base, the non-setaceous stipules, and the 

 small flowers with very short calyx-lobes and tetramerous ovary. 



Note. — Gonzalca glabra Watson, in Proc. Amer. Acad. xxv. 

 152, based on Pr ingle 2442, is a species of Citharexyhun, near 

 C. Pringlei Greenm. 



Machaonia sulphurea, sp. nov. Frutex ramulis glabris ; 

 fohis ovalibus basi acutis vix acuminatis ca. 5 cm. x 2-5 cm. glabris, 

 petiolo brevissimo v. obsoleto, panicula ramulis pubescentibus ; 

 floribus minimis ; calycis lobis oblongis *6 mm. apice rotundato, 

 dorso glabrescentibus marginem versus dense tamen minute pube- 

 rulis ; corolla extus glabrata tubo 1*6 mm., lobis oblongis obtusis- 

 simis -9 mm. longis, intus minutissime puberulis ; ovario oblongo 

 densissime pilis sulphureis hispidulo 1*8 mm. longo. 



Venezuela : Ernst, 483 ! Hb. Mus. Brit. 



Distinct in the minute flowers with the hispid ovaries giving 

 the whole inflorescence a lemon-yellow tint. 



Machaonia peruviana, sp. nov. Frutex ramulis nisi in- 

 florescentiae glabris ; foliis membranaceis utrinque angustatis 

 acuminatis acutis, supra sparsissime hirtellis margine ciliato subtus 

 nisi in venis sparsim hirtellis glabratis, petiolo supra puberulo vix 

 ad 5 mm., stipulis parvis 2-4-laciniatis ; panicula pro rata laxa et 

 pauciflora ramulis inferioribus minute 2-3-lineatim superioribus 

 uniformiter puberulis, floribus pro genere inter majores ; calycis 

 lobis anguste lanceolatis acutis glabris 1—1*5 mm., ovarium 

 minutissime puberulum v. glabrum 2-3-loculare excedentibus ; 

 corolla 2*5 mm. longa extus glabra ; disco minute flavo-puberulo 

 2-3-fido. 



Peru : Pavon ! Hb. Mus. Brit. 



Remarkable for the laciniate stipules and frequently trimerous 

 ovary, as also for the rather lax, few-flowered panicle. 



Machaonia grandis, sp. nov. Frutex ramulis nisi inflores- 

 centiae glabris ; foliis crassiuscule papyraceis, utrinque nisi subtus 

 in vena centrali nonnunquam hie incle minute strigillosis glabris, 

 saepius ovalibus breviter acuminatis acutis basi cuneatis, vel 

 nonnunquam ad oblanceolatis apice rotundato, saepius ca. 8 cm. 

 X 4 cm., petiolo glabro ad 1*4 cm., stipulis brevissimis latis mu- 

 cronatiscaducissimis; inflorescentia amplissima trichotoma 15 cm. 

 x 15 cm. excedente, ramulis pubescentibus; calycis lobis oblongis 

 obtusis margine minute ciliatis vix 1 mm. ; fructu oblongo 

 glaberrimo. 



Colombia : Choro, Barbacoas, Triana, 1625 ! Hb. Mus. Brit. 



Resembles M. rotundata Griseb., which, however, inhabits 

 marshy places on the sea-coast in Jamaica, Panama, &c. ; dis- 

 tinguished by the much ampler inflorescence, the stipules, the 

 glabrous fruits, &c. 



