Bibliographical Notices. 



375 



" Elac.gnus spadicea : foliis ovato-lanceolatis subundulatis, subtus le- 

 pidoto-spadiccis, ramis spinescentibus, floribus axillaribus solitariis 

 pedunculatis." This plant was contained in the catalogue of Burdin, 

 seedsman in Turin, under the name of Capparis Breijnii. — " Cornac- 

 chinia = Syst. sex : Didynamia Gymnospermia = Fam. Nat. Verbe- 

 nacea&. — Calyx monosepalus, persistens, subirregulariter quinque- 

 fidus. Corolla hypocrateriformis, tubo elongate gracili, Umbo patente, 

 subirregulariter quinquelobo. Stamina quatuor, longe exserta, quo- 

 rum duo paullo breviora. Anthera ovales. Stylus staminibus longior, 

 filiformis, stigmate acuto bifido. Ovarium liberum. Fructus Cap- 

 sula subglobosa lignosa, sarcocarpo suberoso rimoso in lobulos pro- 

 minulos obtusos irregulares oblongos discriminate, sulcis duobus, 

 versus apicem, normaliter intersectis notata ; bilocularis (abortu 

 uniloculars) ; bivalvis, valvis maturis ad medium usque bifidis ? 

 Dehiscentia septicida. Troposphermum lignosum, dissepimento du- 

 plici adnatum utrinque concavum. Semina duo (aliero abortiente) 

 unum in quavis cavitate trophospermi, ejusque margini prope 

 apice suspensum. Testa membranacea. Embryo aperispermicus, 

 orthotropus. — Sp. unica : Cornacchinia fragiformis, Habitat secus 

 ripam occidentalem Nili in Nubia, prope Abdelherim (?), ubi Erg- 

 Elmena vocatur." It was collected by the late Sig. Raddi. 



Thirty-six notes are appended to the catalogue of Egyptian plants, 

 in which species already known are explained, or new species provided 

 with diagnoses. The latter are here reprinted. = No. 10. " Aristida 

 Raddiana : foliis convolutis recurvis rigidis ad faucem vaginae ciliatis, 

 culmo pilosiusculo, panicula racemosa, valvulis ina^qualibus acumi- 

 natis, arista articulata tripartita, lacinia media majore unica plumosa 

 apice nuda, calycis longitudinem quadruplam vix subaequante." 



New diagnoses are given for the following species : "Aristida ciliata, 

 plumosa, capensis, pungens ; and for Acacia vera, Seyal, Raddiana and 

 albida. — Coronopus Raddii : fructibus compressis subcymbreformibus 

 glabris tuberculato-rugosis, foliis spathulato-dentatis, caule patulo." 

 — Ruta glabra and Rata tuberculata, Viv. pi. aeg. decad. are made 

 synonyms with his R. ciliata, to which the following diagnosis is 

 assigned : pilosa v. glabriuscula, foliis integris, inferioribus obovato- 

 spathulatis, vel lanceolato-obtusis, superioribus lanceolatis, subtus, 

 caulibus, capsulisque tuberculato-glandulosis, corymbis dichotomis, 

 calyce minimo, filamentis ciliatis. From the notes we select the fol- 

 lowing. Savi's Scirpus lateralis is Sc. supinus, Roth. ; his Cyperus 

 pallidus is synonymous with C. Tenori, Presl. and Bertol., and C. 

 Tenorianus, R. Sch. — The genus Polypogon, Desf. (1800) was al- 

 ready established in 1798 in the eighth volume of these Memoirs, 

 under the name of Santia, by Savi. Aristida ascensionis is declared 

 to be not different from A. ccerulescens. His Poa ramosa (Mem. d. 

 Soc. Ital., torn. ix. tav. 7.) is Calotheca repens. These three me- 

 moirs are followed by a short notice on Acacia bimucronata, DC, 

 which after examination of perfect specimens of the fruit brought by 

 Raddi from Brazil, is declared to be a true Mimosa. Of the two 

 plates, one represents Elccagn. spadicea, the other Cornacchinia fra- 

 giformis. 



