SCHOMBURGK’S GUIANA PLANTS. 91 . 
latter, it must be near my S. pilulifera, but specifically dis- 
tinct. 
221. Allania insignis, gen. nov. On the Upper Essequibo 
and Rupunoony. Schomburgk, n. 524. 
ALLANIA. Char. Gen. Calyx cupulatus coriaceus irregu- 
lariter valvatim 4—5-lobus. Petala 5 ampla, sstivatione 
irregulariter imbricata. Stamina numerosissima inter se 
subsimilia cum petalis perigyna. Antherz oblongo-lineares. 
Ovarium stipitatum pluri-ovulatum. Stylus filiformis basi 
incrassatus apice acutus, stigmate minuto. Legumen.... 
Species unica A. insignis, Arbor 20—30-pedalis.. Ramuli 
crassi. Folia impari-pinnata, petiolo nudo semipedali v. lon- 
giore. Foliola 7—9, petiolulata, ovali- v. oblongo-elliptica, 
breviter acuminata, 4—5 poll. longa v. inferiora ssepius di- 
midio breviora, basi rotundata, coriacea, supra glabra nitida, 
subtus tomento brevissimo pallida v. subferruginea. Stipule 
v. stipelle nulle v. decidus. Racemi simplices subpedales, 
pluriflori, tomentosi. Bracteas non vidi. Pedicelli crassi, 
semipollicares, ebracteolati. Calyces crassi coriaceo-tomen- 
tosi, ante anthesin globosi 6—7 lin. diametro, per anthesin 
in laciniis 4 v. 5 inzequalibus fere ad medium fissi, in cupulam 
latam aperti. Petala sesquipollicaria, patentia, late obovato- 
orbiculata, basi cuneata, alba. Stamina plusquam 100; 
filamenta glabra petalis breviora; antherz 3—4 lin. longe, 
medifixe. Ovarii stipes crassa, recta, 8—9 lin. longa, tomen- _ 
tosa, Ovarium in stipite subarticulatum, crassum, ovoideum, 
tomentosum.  Ovula 3—4, sed in legumine adhuc juniore 
fere omnia jam abortiva et legumen monospermum eyadit. 
Stylus rigidus, apice incurvo-hamatus. Legumen maturum 
non vidi. | : 
This beautiful tree has the calyx and numerous stamens 
of Swartzia, but the insertion of the stamens is distinctly 
Perigynous, as in Cordyla, and the number of petals is:com- 
plete; thus forming a very distinct genus, which I have great 
Pleasure in dedicating to the late Allan Cunningham, whose 3 | 
1 loss the botanical world has so recently had to deplore. His | 
-~ Name, though so intimately connected with the Floras of. } 
