OF THE GENUS ARENARIA. 333 
meiomerum. Ovarium uniloculare ; styli 3 vel 2 (interdum in 
nonnullis floribus 4-5), a basi distincti. Capsula globosa ovoidea 
breviter oblonga vel rarissime cylindrico-conica, interdum 
depressa, primum dentibus duplo stylorum numero dehiscens, 
demüm sæpius in valvas 3 vel 2 bidentatas interdum longitudin- 
aliter fissas secedens. Semina estrophiolata nuda, reniformi- 
globosa vel a latere compressa, undique tuberculata scabra levia 
vel levissime nitida. 
Herbs annus biennes vel perennes, vel rarius suffruticossw, 
sepius cespitose; nune graciles vel rigid: foliis subulatis 
parvisve, nune diffuse vel cespitose foliis latioribus. Inflores- 
centia vulgo dichasiiformis; flores nune terminales, cymoso- 
panieulati thyrsoidei capitati vel solitarii, nune rarius axillares 
subsolitarii. Petala alba, rarius rubella. 
SYN. Alsinanthus, Desvaux, Journ. Bot. 1814 (nomen). 
Alsinella, S. F. Gray, Nat. Arr. Brit. Pl, ii. p. 655 (1821). 
Bigelowia, Rafin. in Journ. Phys. lxxxix. (1819), p. 289. 
Brachystemma, D. Don, Prodr. Fl. Nepal. p. 216 (1825). 
Brewerina, A. Gray, in Proc. Amer. Acad. viii. (1872), p. 620. 
Dolophragma, Fenzl, in Ann. Wien. Mus. i. (1836), p. 63, t. 7. 
Dufourea, Gren., in Act. Soc. Linn. Bord. ix. (1837), p. 25. 
Eremogone, Fenzl, Verbr. Alsin. p. 13, t. ad p. 18 (1833). 
Euthalia, Rupr., Fl. Caucasi, p. 220 (1869). 
Gouffeia, Robill. et Cast., in DC. Fl. Franc. v. p. 609 (1815). 
Leptophyllum, Ehrh., Beitr. iv. p. 147 (1789). 
Lepyrodiclis, Fenzl, in Endl. Gen. Plant. p. 966 (1840). 
Odontostemma, Benth. ex G. Don, Gen. Syst. Dot. i. p. 449 (1831). 
Pettera, Reichb., Ic. Fl. Germ. Helv. v. p. 33, t. 220 (1841). 
Plinthine, Reichb., Handb. Nat. Pfl. p. 298 (1837). 
Subgen. 1. Euarenaria.—Sepala herbacea, vel basi indura- 
Scentia, vel interdum omnino coriacea; apicibus recta vel 
tecurva, rarius incurva. Petala integra, apice rotundata retusa 
Vel raro emarginata. Stamina 10 (in paucis speciebus 5). 
Glandule obsoletz vel inconspicue, in discum annularem 
mmerse. Ovarium trisuleatum multiovulatum; styli 3 (in 
tonnullis floribus interdum 4 vel 5). Capsula oligo- vel poly- 
‘perma, 6 dentibus vel 6 valvis, vel sepe 3 valvis bidentatis, 
ehiscens. Semina granulato-tuberculata levia nitida vel rarius 
Tugulosa.—Herbe annua biennes vel perennes, vel rarius suffru- 
ti Dj . . . 
cose ; in perennibus sæpius cespitose. 
