Siparuna. g-i 



lloribiis subsessilibus pseudofasciciilatis ; flores g 2 — 2,5 mm diam.; receptaculum obconi- 

 (um, chartaceum, inferne parce pilis stellatis piiberulum; tepala in annulum latum subplanum 

 vix emarginatum connata, glabra; velum glabrum, chartaceum, planum, ore angusto vel 

 angustissimo ; stjli numerosi [\0 — \ \) velum paullo superantes recurvati. 



Peru: Maynas, bei Jurimaguas, im Urwald (Poeppig n. D. 2157 B). 



Nota. Speeimen hujus speciei originarium in herb, vindob. asservatum nobis vlsum ramum 

 foliiferum cum lloribus paucis praebet. Eadem in Charta rami foliis destituti at inflorescentiis 

 multis instructi annexi ad S. radiatam pertinent; itacfue descriptio plantae neque a Tulasne 

 neqiie ab A. De Gandolle visae apud Poepp. et Endl. erronea. 



16. S. tenuipes Perk. in Engler's Bot. Jahrb. XXVIII. (1901) 680. — Arbuscula 

 dioeca. Foha ovaha vel ovali-oblonga vel obovato-oblonga, 7,5 — 15,5 cm longa, 4 — 6,5 cm 

 lata, 1 — 2 cm longe petiolata, apice acuta vel acutiuscula, basi cuneato-rotundata vel rotun- 

 data vel rotundato-cordata, chartacea, minutissime et densissime denticulata vel subintegra, 

 adulta utrinque glabra. Inflorescentia 1 cm longa, pedunculus 3 — 6 mm longus, pedicellus 

 1 — 2 mm longus; flores (^ 4 mm diam.; receptaculum valde cupuHforme tepalis 3-plo 

 longius vix membranaceum, parcissime stellato-flavescenti-pilosum ; tepala 5 parva, mem- 

 branacea, extus parcissime pilosa, intus glabra; velum membranaceum, glabrum, planum, ore 

 late aperto; stamina 7, velum vix superantia, filamenta plana, lata; flores Q 2 mm diam.; 

 receptaculum cupuliforme, carnosum vel tenuiter papyraceum, tepalis 2 V2"Plo longius, extus 

 parce stellato-flavescenti-pilosum; tepala 5 — 6 minima, extus parce flavescenti-pilosa, intus 

 glabra ; velum glabrum, papyraceum, prope os intermedium primo Impressum dein valde 

 elevatum ideoque cortinam conicam altam formans, ore vix aperto; styli 4 — 5 velum paullo 

 superantes (Fig. 24 L). 



Brasilien: Prov. San Paulo, in feuchtem Wald (Commissao Geographica e 

 Geologica da Prov. San Paulo n. 27, Q, im August blühend, n. 29, (j^, im JuH blühend). 



17. S. Mathewsii Perk. in Engler's Bot. Jahrb. XXVIII. (1901) 680. — Dioeca. Folia 

 plerumque alternantia rarius opposita, ovato-oblonga, 4 — 7 cm longa, 2,5 — 3 cm lata, 1 — 

 1,5 cm longe petiolata, apice late breviterque acuminata, apice ipso acutiuscula, basicuneata 

 vel rotundato-cuneata , chartacea, supra medium utrinque minute incrassato-denticulata, 

 adulta supra glabrata, subtus hinc inde parce pilosa. Inflorescentia 2 cm longa, pedunculus 

 1 cm longus, pedicellus 5 mm longus; flores (^ 5 mm diam.; receptaculum semiglobosum, 

 papyraceum, glabrum; tepala minuta, indistincta, fere in annulum emarginatum commutata, 

 papyracea; velum subchartaceumi, in flodbus junioribus os parvum praebens, in floribus 

 adultis limbum tantum anguslum formans; stamina 40 — 50 in receptaculo valde conferta, 

 exteriora plana quam interiora multo majora, velum vix superantia (Fig. 23 H). 



Peru (Mathews n. 1560 a. 1835). 



1 8. S. petiolaris (H. B. K.) A. DC. in DG. Prodr. XVI. 2. (1 868) 651 ; Perk. in Engler's 

 Bot. Jahrb. XXVIII. (1901) 681. — Citriosma petiolare H.B.K. Nov. gen. et spec. II. (1817) 

 171; Tul. Monogr. (l 855) 350. — Dioeca. Folia quaternatim verticillata, lanceolato-oblonga, 

 13 — 15 cm longa, 5 cm lata, petiolo 3 — 3,5 cm longo, breviter acuminata, basim versus 

 sensim in petiolum elongatum angustata, aequaliter grosse serrata, subchartacea, utrinque 

 glabra. Inflorescentia Q usque ad 2 cm longa, submultiflora, pedunculo usque ad 1 ,5 cm 

 longo, pedicellis er. 5 mm longis; flores Q 3 — 4 mm diam.; receptaculum urceolato-glo- 

 bosum, subcoriaceum, glabrum, extrinsecus tuberculis parvis vel minimis subglobosis nota- 

 tum; tepala 5 — 6 magna, oblongo-linearia, erecta, 2,5 — 3 mm longa; velum carnosum fere 

 clausuni, glabrum; styli 3 — 6 liberi velum manifeste superantes. 



Neu-Granada: in den Anden von Quindiu (Humboldt und Bonpland). 



19. S. caloneura Perk. in Engler's Bot. Jahrb. XXVIII. (1901) 681. — Dioeca. Folia 

 obovato-oblonga vel obovato-lanceolata, 1 8— 22 cm longa, 7 — 9 cm lata, 2 — 3 cm longe 

 petiolata, apice longe acuminata vel longe angusteque acutata, apice ipso acutissima, papy- 

 racea, margine irregulariter et inaequaliter serrata, dentes majores semper cum multo 

 minoribus alternantes, omnes apice pilorum fasciculos densos gereutes. Inflorescentia 1 — 

 1,5 cm longa, pedunculus 3 mm longus, pedicellus 5 — 6 mm longus; flores Q 7 mm diam., 

 magni; receptaculum subcupuliforme, chartaceum, glabrum, rarissime hinc inde pilum 



