452 I. Urban. 
solitarii vel in cymas oliganthas dispositi, pedunculo sublongo tenui, sub- 
glabrato, circa 2 mm longo; sepala 5, herbacea vel margine scariosa, 
2 mm longa, ! mm lata, viridia, pilis eis caulis similibus dense, obtecta 
vel rarius glabra; petala 5, albida, lanceolata vel ovato-lanceolata; stamina 
4 leviter perigyna, pallide ochroleuca. Ovarium ovatum 4—-2-loculare, 
co-ovulatum; stylus 3-fidus. Capsula ovata, 3-valvis. Semina reniformia 
vel reniformi-globosa vel a latere compressa, hilo laterali; embryo peri- 
phericus. 
Peru: Barranco prope Lima, in formatione »Loma« dicta, 50—200 m 
s. m. (WEBERBAUER n. 1662. — Specimina florigera fructiferaque 20. Octobris 
1902. — Herb. Berol) — In montibus haud procul a Lima, in sabulosis 
formationis »Loma« dictae, 300 m s. m. (WEBERBAUER n. 1657. — Specimina 
florigera fructiferaque 23. Octobris 1902. — Herb. Berol.) 
Polyearpon Englerianum Muschler n. sp.; annua vel biennis, dense 
caespitosa. Radix tenuis, flava, 3—5 cm longa, recte descendens. Caules 
numerosi, ascendenti-procumbentes vel plerumque humifusi, ramosissimi, 
2—4 cm longi, supra radicis collum 0,5 mm diametro. Folia bina opposita, 
ramis axillaribus foliosis abbreviatis verticillos fingentia, oblanceolata vel 
obovata vel obovato-oblanceolata, obtusa vel acutiuscula, basin versus 
sensim sensimque in petiolum brevem angustata, plus minus dense pilis 
crispulis pubescentia, 5—6 mm longa, 3—3,5 mm lata; stipulae scariosae, 
triangulari-lanceolatae, interdum lacerae, 4 mm longae, pilis paucis minimis 
puberulae. Flores in dichasia composita densa dispositi, dichasii ramo 
altero fere semper abbreviato inque cincinnum abeunte, brevissime pedi- 
cellati vel plerumque subsessiles, pedicellis, si adsunt, puberulis. Brac- 
teae scariosae ovatae, acuminatae, interdum lacerae. Calycis lobi oblong! 
obtusiusculi, nervo mediano prominente carinati, virides, margine mem- 
branacei, plus minus dense breviter puberuli, post aestivationem sen- 
sim accrescentes, exteriores 2 mm longi, interiores fere 3 mm longi. 
Petala 5 aut abortu interdum pauciora vel rarius nulla, alba, lanceolata, 
integra vel emarginato-bidentata, dentibus acutis, calyce fere dimidio bre- 
viora. Stamina 3 vel rarius 5, petalis vix breviora, filamenta ima bası 
cum petalis coalita et cum eis imo calyce inserta, antherae rotundatàe. 
Ovarium ovoideum calyce paullum brevius; stylus eo multo brevior. Cap- 
sula ovato-oblonga, calycem subaequans, valvis 3 obtusis rectis usque ad 
basin dehiscens. Semina minima, rufescentia, rectiuscula; embryo centralis. 
Peru: Departimento Ancachs, in montibus »Cordillera negra* dictis 
supra Caraz, in rupibus, 4300 m s. m. (WeserBaverR n. 3101. — Specimina 
florigera fructiferaque 25. Maii 1903). , 
Polycarpon Urbanianum Muschler n. sp.; annua, humilis, dense caespl- 
tosa. Radix tenuissima, alba vel albido-flava, 5—6 cm longa, recte des- 
cendens. Caules numerosi, ascendenti-procumbentes vel plerumque humi- 
fusi, ramosissimi, 2—4 cm longi, supra radicis collum 0,5—1 mm crassi- 
