CusCUtCl. TETRANDRIA DIGYNIA. 447 



season. Stems or branches filiform, succulent, twining, very 

 ramous, leafless, smooth, yellow. Racemes numerous. Flow- 

 ers white, short-pedicel led. Calyx five-leaved ; leaflets cor- 

 date, permanent. Carol ; tube cylindric; mouth five-part- 

 ed ; division reflexed. Nectary of five scales, which surround 

 the germ, and are inserted into the bottom of the tube. Fi- 

 laments five, very short. Jlnthers oval, appearing half above 

 the mouth of the tube. Style scarcely any. Stigma two, 

 large, fleshy, expanding, pointed. 



2. C. aggregata. R. 



Head round, sessile, composed of ten or twelve perfectly 

 sessile, aggregate, pentandrous flowers. 



Accidentally introduced into the Botanic garden amongst 

 flax seed from Bagdad. When the flax plants were a few 

 inches high, this little delicate, leafless, filiform, round, yel- 

 low parasite began to make its appearance, adhering in such 

 quantities to their steins and leaves, as to destroy whole beds 

 in a very short space of time. 



3. C. sulcata. R. 



Peduncles in fascicles, each bearing* a few pentandrous, 

 sessile flowers, with a fleshy furrowed calyx. Capsule two- 

 seeded, surrounded by the deeply grooved calyx. 



A native of Bengal, appears adhering to Amaranthus ole- 

 raceus, and some other plants, during the cool season. Is a 

 plant of small size, of a pale yellow colour, throughout per- 

 fectly smooth. 



Peduncles generally collected in small, remote fascicles of 

 two, three, four, or more, each supporting from two to four, 

 small, sessile, white flowers. Bractes ovate. Calyx five- 

 toothed, permanent, becoming fleshy, and deeply ribbed, 

 with from six to ten ribs, length of the tube of the corol. 

 Corol ; tube short. Border five-cleft ; divisions oval, obtuse, 

 reflexed. Nectar ial scales five, below the insertion of the 

 filaments, divided nearly to the base, into many, fine, filiform 



