128 
ROYAL HORTICULTURA-L SOCIETY. 
unknown to botanists, as there are no specimens in the 
herbaria. 
PASSIFLOEA, Linn., Benth. et Hook. Gen. PI. i., 810 ; Mast, 
in Trans. Linn. Soc, xxvii., 629, and in Mart. Flor. BrasiL, 
fasc. 55 (Passifloraceae). 
Subgenus I. ASTROPHEA, DC— Trees or shrubs usually 
without tendrils ; membranous corona erect, flat, springing 
from the flower-tube below the middle ; ovary truncate at 
the apex. 
1. P. arborea, Spreng, Mast, in Flor. BrasiL, I.e., 545. 
Passiflora glauca^ Humb., Bonpl. PI. JEquinoct., i., 76, t. 22. 
Peru, New Granada, Ecuador. 
In my monograph of the genus I have adopted Sprengel's 
name in preference to that of Humboldt, seeing that there 
was an earlier P. glauca of Alton (in Hort. Kewens., iii., 308 
(1789) ; Bot. Reg., t. 88. Messrs. Triana and Planchon, 
however, challenge the propriety of so doing, being of 
opinion that Alton's glauca (1789) is a synonym of Aublet's 
stipulata (1775). As to the latter plant, the only material 
for an opinion is the plate in the Plantae Guianens. (1775) 
which represents the foliage only, and no flowers. The 
leaves, and especially the stipules, differ from those of 
Alton's glauca^ on which account I prefer still to maintain 
my nomenclature in preference to that of MM. Triana and 
Planchon. 
SuBGEjrus II. PLECTOSTEMMA, Mast.— Climbing herbs or 
shrubs usually provided with tendrils ; bracts minute or 
deeply divided ; flower-tube short. Membranous corona 
torizontal, springing from above the middle of the tube, 
plicated and often fringed at the margin. Eruit baccate or dry. 
Section I. CIECA. — Elowers apetalous, generally destitute of 
bracts. 
2. P. gracilis, Jacq., Eclog. t. 168 ; Bot. Reg , t. 870 ; Mast, in 
Elor. BrasiL, I.e. ; 578. 
3. P. coriacea, Juss.y in Ann. Mus., vi., p. 109, t. 39, f. 23; 
Mast., I.e., 545. 
P. clypeata, Smith in Rees' Cycl., n. 20. 
P. difformis, H.B.K , Nov. Gen. et Sp., ii., 136. 
P. hiformiSf Hort. Bull. 
