CENT. YIII. 81 



mucronata Gouan ill. 22. A. aristata Rus. alep. 

 p 249 fol- setaceis, cal. glabris mucronatis aris- 

 tatis, petalis linearibus. Syria and Italy. Alsine 

 differs from Stellaria by 5 stamens, but has bi- 

 fid petals like it. This is perhaps a subg. of 

 the next. 



743. Melargyra Raf. (membr. silvery) cal. 

 Spart ineq. margine membr. Petalis 5 integris 

 cal. eq. (rubris) stam. 5-8, sty lis 3, caps uniloc. 

 3valvis, fol. fascic. cum. stipulis membr. ar- 

 genteis — Very near to the last G. chief diff. 

 calix and stipules. This G, includes all the 

 pentandrous Arenarias like A. rubra, media, 

 purpurea, canadensis SfO. with the next N. 

 Sp. 



744. Melargyra rosea Raf. Caulib. prostra- 

 tis, apice pubescens, fol. subul. internodis eq. 

 fl. axill. racemosis, cal. obt. pubesc. petalis ova- 

 tis roseis cal. vix brevior, caps, ovatis cal. eq. 

 — dry hills of Pennsylvania, pretty flowers au- 

 tumnal. 



745. DisYNOMA Raf. (2 un. law) Crucifera, 

 sepalis et petalis subineq. obov. obi. obt. stam. 

 4 minora 2 libera, 2 major binis coalitis, filam. 

 2 obi. planis bifurcatis 2antheriferis. Ovar. or- 

 bic. compr. stylo filif. stig. acuto. siliculis orbic. 

 obcord — Singular G. near Thlaspi, but belong- 

 ing to the tribe of Anomandria or cruciferous 

 anomalous in the stamens. Type D. carnea 

 Raf. Thlaspi carneum Russ. fl. alep. tab. 11. 

 f. 2. caule superne ramoso, fol. cord, amplex. 

 glabris integris, petalis cal. eq. carneis. Syria 

 and Natolia, found by Tournefort and Russel. 

 Not in Wildenow nor Persoon,who both appear 

 to have overlooked all the 77 new plants of 

 Russel in his floras of Aleppo and Libanus, 

 although published in 1794! 



11 



