162 ANNALS OF ROYAL BOTANIC GARDEN, CALCUTTA. 
tube "5 to "65 in. long, containing the staminal column, then constricted into a short 
cylindric tube, and terminated by a sub-sagittate terminal lobe about 1 in. long. Stamina? 
column short, with six broad fleshy lobes beneath which are the six broad sub-orbicular 
2.celled anthers. Stigmatic lobes 6, small, triangular, their apices projecting above the 
staminal column. Ovary longitudinally striate, about “25 in. long. Fruit unknown. 
Penang: King’s Collector No. 1458. Curtis, No. 330. 
This beautiful species appears to have been collected only once. I have dedicated it to 
Mr. С. Curtis, who has in recent years done so much for the exploration of the rich flora of Penang. 
PrarE 195. Aristolochia Ситизи, King. 1, flowering branch: of natural size; 2, staminal column; 3, two anthers; 
4, ovary: alè enlarged. 
PLATE 196, 
РЕАТХЕА, King. 
Nat, Ord. Urticacee. Tribe Conocephalee. 
A powerful climber. Flowers diceceous, closely packed in globose heads with 
numerous peltate scales intermixed. MALE FLOWER with tubular, obtusely 4-toothed 
perianth; siamen solitary, the anther ovate, the filament short, thick, erect; pistillode 0. 
FEMALE FLOWER larger than the male, the perianth tubular-clavate, thickened towards the 
apex, the mouth minute. Ovary and style included, free; style terminal, deeply 2-fid; 
ovule solitary, erect, orthotropous. Frust ovoid, rather fleshy, the perianth persistent 
and united with the pericarp, the endocarp membranous. Seed exalbuminous ; cotyledons 
fleshy, plano-convex, equal; radicle minute, straight, superior. 
This genus, which was first described in Hooker’s Flora of Brit. India, vol. V, р. 546, resembles 
Parartocarpus in having only a single stamen in its male flowers, but differs in having a perianth, the 
flowers of Parartocarpus having none. Tho erect ovule of this constitutes, however, a more 
important distinction, and brings it into the tribe Conocephalew, rather than into A rtocarpee. 
Tramea scandens, King in Hook. fil. Fl. Br. Ind. V, 546. Glabrous; the young 
branches thin, cylindric, sparsely lenticellate. Leaves alternate, petiolate, oblong-ovate 
or oblanceolate, shortly cuspidate, entire, cuneate at the base. Receptacles axillary, 
solitary, pedicellate, the male “5 in. in diam., the female 1:5 to 2 in. in diam. ез 
ovoid. : 
Perak; King's Collector, Nos. 3549 and 3693: in dense forests at elevations of 
under 1,000 feet: not common. 
A fine climber from 50 to 100 feet long, the main stem 12 to 15 inches in diameter. Only a 
| few flowers on each female receptacle become fertilised and produco fruit; the abortive flowers are 
dry, clavate, puberulous, and persistent. Between the flowers are interspersed numerous long-pedicelled, 
peltate, puberulous scales. The ripe fruit measures rather more than an inch in length, the ripe 
seed rather more than half-an-inch. 
Prate 196. Pruinea scandens, King. 1, branch bearing one male receptacle; 2 and 3, female receptacles (from 
another plant): of natural size; 4, single female flower opened up toshow the ovary and style; 5, ovary with its bifid 
style; 6, the same with the arms of the style separated; 7, female flower after fertilisation; 8, vertical section of 
the same, showing fertilised ovary, the style arms having shrivelled ; 9, ripe fruit; 10, vertical section of a ripe 
_ seed, showing the plano-convex cotyledons ; 11, the flat face of а cotyledon, showing the position of the radicle (r) ; 
2. - 12, peltate scales from the female rec 
P eptacle ; 13, a male flower opened up to show the 4-toothed perianth and 
ч Single stamen; 14, peltate scale from male receptacle; 16, the same seen from above. Nos. 4 to 15 are 
` enlarged. | 
