Sapindaceae americanae novae vel emendatae. 359 
5. Serjania rufisepala Radlk. in J. Connell Smith, Undescr. Pl. from 
Guatemala, Bot. Gaz. XVI (1891), p. 191 (sect. XI), et Sap. Costaric., 
Bull. Hb. Boiss., 2. sér., V (1965), p. 320. l 
Formas 2 discernere par est: 
. Forma 1. genuina Radlk. (l. c. 1891 descripta): Rami glabri, foliola 
‘glabra, utrinque viridia. 
In Guatemala et Costarica: J. Donn Smith, no. 1766! ete. cf. 
ll. ec. 
Forma 2. bicolor Radik., f. nov.: Rami subtusque folia pube sat 
densa e rufulo canescente induta. 
In Panama: H. Pittier, no. 2861! (, Forests around El Boquete, 
Chiriqui, along rivers, trailing on trees", alt. 1CCC—12C0 m, m. Mart. 1911, 
fl.; Hb. am. nat.). 
6. Serjania unguiculata Radlk., spec. nov. 
Scandens, suffruticosa, puberula, mox glabrescens; rami 6-sulcato- 
costati, cortice sulcorum viridulo, costarvm pallide subfusco, juveniles 
crispato-pilosuli; corpus lignosum compositum e centrali majore et peri- 
phericis 1—2 parvis centrali impositis; folia biternata, triadum lateralium 
foliolum laterale exterius vel interius quoque cum intei medio interdum + 
connatum; foliola ovata, terminalia in petiolulum attenuata, lateralia 
in petiolulos breves contracta, omnia acuta vel obtusata, mucronulata, 
integerrima, penninervia, nervis lateralibus utrinque €—8 obliquis ante 
marginem arcuato-anastomosantibus utrinque prcminulis, glabra nee nisi 
ad nervum medianum subtusque in axillis nervorum interdum margine 
quoque pilis obsita, glandulis microscopicis adspersa, supra nitidula, 
subtus opaca, e chartaceo subcoriacea, sicca fıegilissima, flavescenti- 
viridia, cellulis hie illic staurencby matis legenifoimibus secretoriis puncta 
pellucida minuta aegre perspicienda eflicientibus subtusque utiiculis 
laticigeris amplis crebris instructa, epidermide mucigera; petioli praeter 
intermedium marginatum nudi, supra pilis crispatis adspersi; stipulae 
parvae subulatae, pilis adspersae; thyısi solitarii, parte dense cincinnifera 
puberula or am pedunculus communis glaber apice saepius bicirrosus 
longiore; cincinni breviter stipitati, pauciflori; pedicelli ad medium. arti- 
culati; flores mediocres; sepala exteriora puberula, interiara tomentella ; 
petala ex elliptico vel obovato in. unguem longiusculum contracta, intus 
supra unguem squama brevi apice bicornutim cristata dense barbata 
aucta, flava, intus glandulis sat dense obsita; torus glaber; ste mina hir- 
sutula ; germinis rudimentum pilosulv m; f'ores9 et fructus — (non suppete- 
bant). 
Rami diametro 3 mm, internodiis ?—7 cm longis. Folia petiolo ca. 
3 cm longo adjecto 7—10 cm longa, fere totidem lata, superiora minora; 
foliola terminalia 5 cm longa, 3 «m lata, lateralia decrescent'm minora; 
stipulae 1,2 mm longae. Tbyrsorvm pedunculus ccmmunis ?—4 cm longus, 
rhachis 7 cm longa; pedicelli 2 mm longi; alabastra subglobosa, die metro 
2 mm. Flores flavi: Sepala interiora 3 mm longa, 2 exteriora dimidio 
breviora. Petala 3,5 mm longa; squamze breves margine villesiuscul: e, 
