— 39 — 



Gabon : forêt du Mayumba, roches couvertes de mousses 

 \Thollonn. 1251, in Herb. Mus. Par.] 



2. P. PELLUCIDA Kunth Nov. gen., v. I, p. 64. 



Konakry, lieux humides, humus, peut-être importé du Gabon 

 [D' Maclaiiâ, in Herb. Mus. Par.] 



Piper L. Sp., p. p. 



SECTIO COCCOBRYON C. DC. 



1 . P . bisexuale C. DC . , n. sp. 



Omnino glabrum, foliis modice petiolatis, limbo ovato-elliptico basi ima jequi- 

 latera acuto apice acute acuminato 5-nervio ; petiolo basi vaginante; pedunculo 

 quam petiolus duplo longiore ; spica quam limbus pluries breviore, rachi glabra, 

 bracte.x pelta rotunda centra pedicellata, flore bisexuali, staminibus 2 lateralibus, 

 antheris ovatis apice connectivo breviter mucronulatis, zj-valvatis, ovario libero, 

 stigmatibus 2 longitudinalibus ovato-acutis. 



Ramuli in sicco nigri, spiciferi fere 1,5 mm. crassi, in 2 mm. crassis collen- 

 chyma in fascicules discrètes et crassos dispositum, partim libriforme, fasciculi 

 intramedullares i-seriati, canalis lysigenus nullus. Limbi in sicco rigidi opaci, 

 6 cm. longi, 4 cm. lati. Petioli fere 0,9 cm., pedunculi 2 cm. lougi. Spica flo- 

 rens 1,8 cm. longa 3 mm. crassa, bractese pelta 0,75 mm. diam. Ovarium ovato- 

 acutum. — Species sectionis Coccobryon C. DC. 



Fernando Po [Mann n . 299, in Herb. Mus. Par.] 



SECTIO EUPIPER C. DC. 



2. P. Famechoni (Hecl^el nom. nud.), C. DC., descriptio. 



Ramulis glabris ; foliis modice petiolatis glabris, limbo elliptico-lanceolato basi 

 leviter insequilatera acuto apice acute acuminato, 5-plinervio, nervo centrali nervos 

 adscendentes utrinque 2 mittente quorum infimus e basi alter 1-3 cm. supra basin 

 solutus; pedunculo glabro petiolum itquante, spica fem. matura quam limbus 

 fere duplo breviore, rachi hirsuta, bractea obovata glabra centro sessili, bacca 

 obovata Isevi quam stipes breviore. 



Dioicum. Ramuli spiciferi vix i mm. crassi, in 1,5 mm. crassis coUenchyma 

 subcontinuum libriforme, fasciculi intramedullares i-seriati, canalis lysigenus 

 centralis periphericique 5-6. Limbi in sicco membranacei opaci, epunctulati, cir- 

 citer 8,5 cm. longi et 3,5 cm. lati. Petioli usque ad limbi latus longius fere 4 mm. 

 inter limbi latera 1,5 mm. longi. Stigmata 4 brevia, bacca fe're 4 mm. longa. — 

 Species secùonis Eu piper C. DC. 



Guinée : Kissy [Famechon, comm. Braemer et Haeckel in 

 Herb. Cand.] 



