SYNOPSIS OF THE GENERA. 
with three horns, three celled, each cell two seeded— 
Evergreen shrub. 
11. Urti'ca, [Page 1192.] Barren flowers in loose racemes, 
perianth single, four-partite. Stamens four, curved in- 
wards before the anthers are matured. Fertile flowers in 
capitate racemes.  Perianth single, of two pieces. 
Stigma single. F'ruit single seeded, surrounded with the 
perianth. 
12. Au'nus, [Page 1194.] Flowers in imbricated catkins, 
barren flowers elongated, cylindrical, catkins with cordate 
scales, pedicellated, and with three small scales beneath 
them, bearing stamens from the base. Perianth single, 
four-partite. Fertile flowers roundish ovate catkins, the 
scales sub-trifid, two flowered, coriaceous, persistent, 
perianth wanting. Stigma two. Fruit compressed, 
ovate, two celled, each cell two seeded.—Low deciduous 
trees, growing in moist places. 
(See Eriocaulon in ORDER 6. Myrica in Cuass 22.) 
OrpeR V. PeEntTANDRIA—45 Stamens. 
13. Xantu'ium, [Page 1196.] Barren flowers several globose 
terminal heads, each head surrounded by an involucre, of 
a single row of scales, the receptacle paleaceous, florets 
numerous, each a single clavate perianth, with five short 
lobes, containing numerous stamens, and two abortive 
stigmas. Fertile flowers two, enclosed in a single prickly 
involucre, with two beaks, perianth wanting. Stigmas 
two, protruding through small apertures within the beak. 
Fruit compressed, each occupying a cell within the har- 
dened iavolucre.—Annual herbaceous plants, nearly allied 
to Composite. 
14, Ama’Rantuus, [Page 1197.] Barren flowers with a siugle 
perianth, deeply three or five-cleft. Stamens three to five. 
Fertile flowers with the perianth deeply three or five-cleft. 
Slyles three. Fruit a one celled single seeded capsule, 
crowned by the persistent style, and opening all round by 
a transverse incision.—Low branched succulent herbaceous 
plants. 
15. Bryo'nta, [Page 1198.] Barren flowers with a five toothed 
