Paepalanthus. 221 



glabrae vel vix ciliolatae, atro-fuscae, subimbricatae ; pili florum clavulato-obtusi , in- 

 tus laeves. 



Britisch Guyana: trockene Savanne in der Nähe der Berge Boraima und Humirida 

 (B. Schomburgk n. 1222 — blühend im April und Mai). 



Subgen. VI. Psilandra Buhl. 



Caulis brevis , simplex , subgracilis ; capitula semiglobosa , glabra ; bracteae flores 

 stipantes nullae; perigonia glaberrima; floris (J* petala in tubum infundibularem, tenuem, 

 demum involutum, lobis 3 obtusissimis, apiculatis instructum connata; Stylus breviter 

 filiformis, germen fere aequans ; Stigmata 3 , verisimiliter simplicia. 



22 4. P. saxicola Koern. in Fl. brasil. III. 1. (1863) 43 5. — Dupatya saxicola 

 0. Ktze. Bev. gen. II. (1891) 746. — Caulis simplex, gracilis, radicibus obsitus, apice 

 dense foliosus, 1 — 5 cm longus; folia setacea, acutiuscula, glabra, 1 nervia, 1 — 2 cm 

 longa; pedunculi solitarii vel bini in apice caulis, costati, glabri, 8 — 10 cm alti; vaginae 

 oblique truncatae, lamina brevi, integra, foliis circ. aequilongae; capitula hemisphaerica, 

 glabra, pallide griseo-flavescentia, 3 — 4,o mm lata; bracteae involucrantes spathulato- 

 oblongae, obtusae, glabrae, nitidae, stramineo-flavescentes vel pallidiores. 



Brasil en: Prov. Goyaz; an felsigen Stellen der Katarakte des Flüsschens St. Bar- 

 tholomeu bei Chapadäo de S. Marcos (Biedel — blühend im August). 



Species mihi incertae vel dubiae. 



P. uncinatus Gardn. in Hook. Icon. pl. ser. II. (1843) t. 523; Koern. in Fl. 

 brasil. III. 1. (1863) 345. — Eriocaulon uncinatum Steud. Syn. pl. Cyp. II. (1855) 

 281. — Dupatya uncinata 0. Ktze. Bev. gen. II. ( 1 891) 746. — Caulis erectus, 

 brevis, dense foliosus ; folia conferta, lineari-lanceolata, acuta, pubescentia, ciliata, demum 

 glabrata, 5,5 cm longa; pedunculi 4 — 5, rigidi, compressi, striati, pilosi; vaginae 5 cm 

 longae, apice oblique fissae, acutae, pilosae, folia juniora excedentes ; capitula hemisphae- 

 rica ; bracteae involucrantes steriles, lanceolatae vel lanceolato-ovatae, acuminatae, radia- 

 tae; bracteae flores stipantes lanceolatae, longe acuminatae, pilosae, apice uncinatae; 

 receptaculum pilosum; flos q?: pedicellatus ; sepala 3 lanceolata, acuminata, glabra; 

 petala in tubum obconicum, apice trilobum connata; stamina 3; antherae oblongae, 

 flavae; flos Q: sessilis; sepala 3, lanceolata, acuminata, glabra; petala simillima, 

 tenuiora; stigmata 3, simplicia [ex Hook.]. 



Brasilien: Prov. Minas Geraes; sandige Campos, Serro do Frio, Diamantina- 

 Distrikt (Gardner n. 5266). 



Nota. Species a. cl. Koern icke jure subgeneri Xeractidi Mart. adjungitur, in quo 

 floribus (5 glabris valde insignis. 



P. Roraimae Oliv, in Trans. Linn. Soc. II. Ser. Vol. II. (1884) t, 49, fig. 

 7 — 14, 286. — Caulis perbrevis; folia dense rosulata, brevia, rigida, linearia, ob- 

 tusiuscula, basi latiora, breviter falcata rectave, basi arcte imbricata, lanuginosa excepta 

 glabra, longitudinaliter striata, 2 — 3 cm longa; pedunculus solitarius, glabrescens vel 

 apicem versus obsolete puberulus, 9 — 12 cm longus; vaginae foliis subduplo longiores, 

 glabrae, ore demum incisae ; capitula hemisphaerica, 1,2 cm diam. lata; bracteae involu- 

 crantes lineari-lanceolatae, glabratae vel parce pilosae, fuliginosae; bracteae flores sti- 

 pantes oblanceolatae vel ovato-cuneatae, cymbiformes ; flores breviter pedicellati, sepala 

 libera, obovata, concava, apicem versus colorata [ex Oliv.]. 



Britisch-Guyana: Gipfel des Boraima (E. F. im Thurn n. 994). 



Nota. Speciei huius affinitates propter descriptionem atquc iconem miserrimam incertis- 

 simae. Ne genus quidem, in quo collocanda sit constat. 



P. pulvinatus N. E. Br. in Th. Dyer, Fl. Trop. Afr. VIII. (1901) 263. — 

 Minuta; folia numerosissima (200 — 300), dense rosulata, recurvata, linearia, acuta, crassa, 



