Paepalanthus. 159 



(1831) 62 4, 623. t. 10; Steud. Syn. pl. Cyp. II. (l 855) 276. — Dupatya bryoides 

 0. Ktze. Rev. gen. II. ( 1 891) 745. — Caulis subaeque foliosus, circ. 1,5 cm longus, 

 gracillimus, versus apicem ramis ei simillimis, ibi confertis, iterum etc. ramosis, atque 

 radicantibus auctus. Folia in apice caulis densiora, apiculari-linearia, acuta, primum 

 levissime praesertim margine puberula, cito calva, erecto-patentia, circ. 2 /3 — * cm longa. 

 Pedunculi tenuissime filiformes, vix hirsutuli, cito glabri, 3 — 5 cm alti; vaginae lamina 

 acuta, tenui-membranacea, demum lacerata instructae, 3 — 6 mm longae ; capitula semi- 

 globosa »eleganter bicoloria« (Koern.), supra albido-villosa , subtus bracteis obscure 

 fusca, 1,5 — -2 mm lata; bracteae involucrantes obovatae, obtusissimae, ciliatae, con- 

 spicuae, atrofuscae ; pili florum subacuti, intus granulosi. 



Brasilien: Prov. Minas Geraes; an schattigen Stellen der Serra da Lapa (Riedel 

 n. 1416 — blühend im November); Serra de Biribiry bei Diamantina (W. Schwacke 

 n. 8486 — blühend im März 1892); Diamantina, bei Perpetua und Formacäo, auf 

 Felsen (Glaziou n. 19987 und 19989 — blühend im April). 



Nota. Ramificatione speciebus generis Blastocauli Ruhl. similis. 



80. P. microcaulon Ruhl. n. sp. — Caulis brevis, elongatus, subaeque et dense 

 foliosus, glaber, simplex vel versus apicem breviter 2 — 3 ramosus, 1 — 2,5 cm longus, 

 circ. 0,5 mm crassus. Folia e basi appressa, ovata, fere amplexicauli recurvato-pa- 

 tentia, linearia, acutiuscula, infra 2 — 3-sulcata, praesertim in marginibus pilis longius- 

 culis paullo densius inserta, 7 — 8 mm longa, medio modo y 3 mm lata. Pedunculi 

 terminaliter in caulis et ramorum apice per complures fasciculato-congesti, torti, circiter 

 5 costati, pilis longis sparsissime aspersi, demum calvi, 4 — 6 cm longi; vaginae laxius- 

 culae, oblique fissae, lamina brevi obtusiuscula instructae, subdense longi-pilosae, calves- 

 centes, folia circiter adaequantes, 6,5 mm longae; capitula semiglobosa, summitate albo- 

 villosa, senectute sordide grisea, 2 — 3 mm lata; bracteae involucrantes obovales, acutae, 

 brunneae, ciliatae, saepe carinatae; receptaculum pilosum; bracteae flores stipantes 

 lineares, adaequantes ; pili illorum et perigoniorum flaviduli, valde tuberculati. intus gra- 

 nulosi, apice capitato-clavati ; flos qj*: pedicellatus ; sepala 3, basi connata, obovata, fere 

 truncata, ciliata; flos Q: sepala 3, late spathulata, fere unguiculata, carinatä, obtusius- 

 cula, ciliata, griseo-brunnea; petala 3, ovata, acutiuscula, ciliata, albida, tenerrima ; 

 germen globoso-ovatum, tricoccum; appendices 3, papillosae; Stigmata longe filiformia, 

 simplicia. 



Brasilien: Prov. Goyaz; zwischen Paranana und Corrego do Brejo (Glaziou 

 n. 22325 — blühend im Februar). 



Nota. Species gracilis P. Lamarckii Kunth proxima, a quo pilorum forma, foliis etc. 

 satis differt. 



81. P. Ruhlandii Alvaro Silveira n. sp. — Caulis paullo elongatus subhorizontalis, 

 versus apicem ramosus et densius foliosus, 0,5 — 2 cm longus; rami breves, pauci, cauli 

 similes, pedunculiferi. Folia linearia, acuta, rigidulo-membranacea, glabra, in sicco vires 

 centia, versus basin dilatata ibique tenui-membranacea, hyalina, nervoso-striata, caespitosa, 

 apice saepe recurvata, 1,5 — 2,5 cm longa, medio 1 — 1 1 / 3 , basi usque 2,5 mm lata. 

 Pedunculi folia multoties superantes, in axilla folii singuli, vel per paucos terminaliter con- 

 gesti, omnino glabri, rigiduli, in sicco paullum compressi, torti, subvirides, profunde 3- 

 costati, costis iterum unisulcatis quasi 6 costati, glabri, 8 — 12 cm longi; vaginae laxae, 

 quam folia paullo breviores, teretes, striatulae, lamina acuta, integra, vel rarius demum 

 lacerata, apice minutissime barbulata, cito glabra instructae; capitula globoso-cylindracea, 

 ubique niveo-villosa, minuta, 2 — 3 mm lata; bracteae involucrantes cito floribus reflexis 

 occultae, obovatae vel fere ellipsoideae, acutiusculae, spongiose membranaceae, albidae, 

 persistenter ciliatae, dorso glabrae, pro ratione paucae ; receptaculum pilosum ; bracteae 

 flores stipantes latiuscule oblongae, acutae, ciliatae, tenui-membranaceae, hyalinae ; flores 

 masculi et feminei mixti, Uli breviter pedicellati, hi subsessiles; pili bractearum et peri- 

 goniorum obtusi, clavati, hyalini, intus laeves, extus valde tuberculati; flos q?: sepala 

 3, basi paullo connata, obovata, obtusiuscula vel rotundato-obtusa, summo dorso comato- 

 pilosa, pallide brunnea vel viridi-flavidula ; flos Q : sepala 3, fere orbiculari-obovata, 



