Banisteria. 451 



usque 2 glandulis instructo ; petiolo 1 i j i — fere 2 cm longo subvelutino apice biglanduli- 

 fero; stipula intrapetiolari brevi (=b 1 mm) dense velutina biglandulosa. Umbellae 4- 

 florae — additis plerumque y 2 — 6 mm m ^ ra *P sas 2 gemmis s. umbellulis inevolutis 

 ad axillas bractearum, pedunculo communi »diarthrico« — in paniculas dispositae folioli- 

 feras saepius binas ad axillas foliorum ipsas aequantium, pedunculis umbelliferis usque 

 2 cm, pedicellis sessilibus 1 — 1 1 3 cm, bracteis bracteolisque lanceolato-acutis 2 resp. 

 1 mm longis. Flores 1 y 3 cm diametro. Sepala ovalia 3 mm longa eglandulosa. Petala 

 lutea glaberrima, limbo orbiculari-cochleariformi longiuscule fimbriato 5 — 6 mm, ungue 

 valde redunco zt 2 mm longo. Stamina glaberrima gracillima sepala duplo superantia, 

 antheris demum resupinatis ovalibus 1 mm longis. Ovarium dense hirsutum; styli 

 sigmoidei inter se aequales stamina superantes ultra medium — praesertim facie in- 

 terna — setis longis densissime barbati, gynixo parvo capitellato. Samarae non 

 suppetunt. 



Var. a. populifolia Niedenzu. — B. populifolia Niedenzu in Engler's Bot. Jahrb. 

 XL. 3. (1907) 281 et in Verz. Vorles. Ak. Braunsberg. W.-S. 1912—1913 (1912) 22. — 

 Folia supra descripta. Paniculae axillares umbellis usque 7 compositae usque 1 dm 

 longae. 



Peru (Matthews n. 2126: Chachapoyas, Dep. Amazonas; Weberbauer n. 4794: 

 Sonnige, felsige Abhänge im Tale des Maranon bei Tupen, Dep. Amazonas, Prov. Luya, 

 uml n. 6230: Hügelgebüsch an der Mündung des Chichipe, Dep. Cayamarca, Prov. Jaen, 

 700—800 m). 



Var. ß. parvifolia Niedenzu nov. var. — Omnibus partibus minor antecedente. 

 Folia ovata apiculata vix ultra 4 cm longa et 3Y3 cm lata, nervis primariis utrinque 

 4 — 6. Paniculae axillares usque 9 umbellis compositae nondum */j dm longae. 



Peru (Weberbauer n. 6063: Felsengebüsche am Ufer des Huancabamba, Dep. 

 Piura, Prov. Huancabamba, und n. 6 466 : Lockeres Savannengebüsch im Tale des Mantaro- 

 Flusses unterhalb Golcabamba, Dep. Huancavelica, Prov. Tayacaja). 



Species incertae mihi invisae. 



1 . B. discolor (J. D. Smith) Niedenzu. — Banisteriopsis discolor (J. D. Smith) Small 

 in N. Amer. Fl. XXV. 2. (1910) 132. — Banisteria comifolia discolor J. Donn. Smith in 

 Bot. Gaz. XXIV. (1897) 391. — "Leaf-blades ovate, 6 — 12 cm long, rounded at the apex, 

 acute or slightly acuminate, deep-green, glabrous and slightly veiny above, when dry, 

 permanently silvery-silky beneath, mostly rounded at the base, short-petioled; sepals 

 oblong, 3,5 — 4 mm long, the glands about one half the length of the sepal-body; 

 larger petals 4,5 — 5,5 mm long, with oblong or ovate-obloug blades; mature Samaras 

 not seen. — Type locality: San Pedro de la Calabaza, Costa Rica. — Distribution: 

 Costa Rica." 



2. B. (?) floribunda De Candolle Prodr. I. (182 4) 589 n. 15; Sprengel Syst. II. 

 (1825) 388; G. Don Gen. hist. I. (1831) 644. — "Foliis ovalibus obtusis emarginatisve 

 coriaceis glabris, petiolis pubescentibus eglandulosis, racemis corymbosis pedunculatis 

 folii longitudine. b w in Porto Rico: Bertero. Flores numerosi ampli, ex sicco flavi. 

 (v. s. in h. Balbis)." 



3. B. illustris (Rusby) Niedenzu. — Banisteriopsis illustris Rusby in Bull. N.York 

 Bot. Gard. VIII. (1912) 97. — "Sericeous, or the upper leaf-surface tomentellate; stems 

 erect, divaricately branched, the branches purple, glabrate ; stipular glands small, obscure 

 depressed; petioles 6 mm long, broad; blades 2 — 7 cm long, 2 — 6 cm broad, ovate, 

 abruptely short-acuminate and acute, slightly produced into the petiole, green or brownish 

 above, white-silky beneath; principal secondaries mostly 3 pairs, strongly ascending, 

 prominent beneath; panicles large, Compound, lax, peduncled; bracts very small, ovate, 

 acuminate, caducous; pedicels mostly about 8 — 10 mm long, slender, minutely 2-bracteo- 

 late near the base ; sepals broadly ovate, acute, nearly equalling the bud, about 2 mm 

 long, the glands twothirds their length, oblong; petals light purple, short-clawed, about 



