250 NATURAL HISTORY OF PLANTS. 
quite free, or at least separate from each other to spread out at an- 
thesis to a variable distance in their upper part. Ruyschia (figs. 279- 
281) is also a neighbouring genus, and has the foliage and the inflo- 
rescence of Worantea, with the axile bracts, often 3-lobed, with in- 
ferior concavity always raised upon the axillary pedicel even to the 
insertion of the flower, which has generally a defined isostemonous 
androceum. 
VII? CARYOCAR SERIES. 
Caryocar’ (figs. 282-287), long considered as forming a distinct 
family, has beautiful flowers, hermaphrodite and regular, of the pen- 
tamerous type, or more rarely tetramerous or hexamerous. Upon 
their slightly convex receptacle a gamosepalous calyx is inserted, with 
Caryocar (Saouari) glabrum. 

Fie, 283. Fig, 284. 
Flower. Longitudinal section of flower. 
deep imbricated divisions, and a corolla the petals of which, alter- 
nate and much larger than the sepals, are also imbricated in the bud, 
and sometimes united, for a very short distance from their base, with 
that of the androceum. This is formed of a considerable number of 
stamens united below into a thick, short tube, after which the fila- 

1 ArraM., ex L., Mantiss, (1767), n. 1314. 343; JU, t. 486.—Saouari AUBL, op. cit. 
—J., Gen., 435.—Lamx., Dict., i. 640.—DC., 599, t. 240,—Rhizobolus GmRIN., Fruct., ii. 
Prodr., i. 599.—Enpt., Gen., n. 5642.—B.H., (1791), 93, t. 98.—Corr., in Ann. Mus., v. 
Gen., 180, n. 1.—H. Bw., in Payer Fam. Nat., 394, t. 5—Acanthocaryx ARRUDO DO CAMARA, 
268.—Pekea AuBL., Guian, (1775), ii. 594, t. Disc. (ex ENDL.). 
238, 239.—Porr., Dict., v. 146; Suppl. iv. 
