256 
Species valde insignis, a ceteris seminum stracknra statim 
diversa. 
x 
13. Arenaria tetragyna Willd. (sens. lat.) 
Caules caespitosi, .repentes vel adscendentes, ramosis- 
simi, ramulis aut brevibus confertis internodüs abbreviatis, 
aut laxinsenlis diffusis internediis longieribus, glaberrimi, 
aut anifariam pilosi, altitudine valde variantes. Yolia aut 
valde approximata aut remofa ac tum longiora, subcarnosa, 
laete virida, plana, oblongo-lanceelata nunc acutiuscula nune 
obtusa, ad basin versus membranaceam vix angustata, bre- 
vissime ciliata, 6—8 vel 10mm. Ig., 1'%,—2 mm. It. Flo- 
res solitarii ad ramnlorum apicem, plus minusve Tonge pe- 
dunculati. Calyeis profunde 5-partiti lobi ovafo-oblongi ob- 
tusi, subearnosi, margine anguste scariosi, glaberrimi, 3—4 
nm. lg. Petala alba, ovato-elliptica, basi subeuneata bre- 
vissime unguieulata, calyee vix vel fere sesquilongiora. Sta- 
mina 10 calyeis longitudine, antherae roseae. Ovarium el- 
Hipticum cum stylis saepe 4 capillaceis stamina subaequans. 
Capsula ovate-oblonga, ealyeis longitidine, tomlosa et, ut 
videtur, indehiscens, tandem in valvas fres bifidas irregula- 
riter rumpens. Semina magna, fusco-atra, lentienlari-reni- 
formia, nitida, lentis ope obsolefe punctulata. 
o. imbricata Fenzl: Ganlis ramuli hreves eonferti, ine 
ternodiis ahhreviatis, glaberrimi. Folia valde approximata, 
acutinscula, 6-8 mm. le. Flores breviter peduneulati,, pe- 
duneulis: glabris calyoe sesqnibrevioribns. 
— Arenaria tetragyna W. herh. 8748!, Schldl. pat. in 
Magazin di Gesellsch. naturf. Frennde zu Berlin 
VD, 1, H. B. K. nov. gen. et spee. VI, 35 am 
tab. 517! | 
A. tetragyna W. $. imbricata Fenzi! mse. 
