of certain Genera hi the Flora Peruviana. 121 



ABATIA, Ruiz et Pavon, 



Syst. Linn. POLYANDRIA MONOGYNIA. 

 Ord. Nat. SALICARIiE, Nobis. 



Calyx monophyllus : tubus brevissimua, subturbinatus : fauj^ pilLs muticis fila- 

 mentosis numerosissimis (vix tamen stamina sterilia) munita : Hmbus 

 4-partitus : laciniis lanceolatis, cestivatione valvatis. Petala nulla. Sta- 

 mina definiU numerosa (20) simplici ordine ! prope tubi calycis basin in- 

 serta : Jilamenta complanata, glabra : anthercB obtuste, introrsjB, bilocula- 

 res, basi insertce : loculis parallelis, longitudinaliter dehiscentibus. Ova- 

 rium liberum, globosum, uniloculare, villosissimum. Stylus teres, glaber. 

 Stigma parvum, truncatum, pruinosum. Capsula unilocularis, bivalvis, 

 polysperma, apice dehiscens: valvis sublignosis, concavis, medio placen- 

 tiferis. Placentcs nunc demum solutte, basi connatae. Semina parva, an- 

 gulata, atrofusca, adscendentia, hinc convexa, inde planiuscula, apice 

 ala exigu^ cristata, basi umbilico prominenti instructa ; testa exterior crus- 

 tacea, superficie reticulata ; interior membranacea, pallidior : album£n 

 nullum. Embryo erectus, teres, lacteus : radicula cotyledonibus semicy- 

 lindricis parum longlore, obtusa, centrifugu. 



Frutices (Peruviani) pubescentid fasdculata cinereo-tomentosi. Folia opposita, 

 petiolata, exstipulata^ simplicia^ crenata. Flores racemosi. Pedicelli uniflori^ 

 bracted suffulti^ solUarii v. fasciculati. 



1. rugosa^ foliis suprk rugosis, antheris oblongis : connective dilatato ! 



Abatia rugosa, Ruiz et Pavon Syst. Veg. Fl. Peruv. et Chil. 1. p. 136. 



Gen. t. 14. Fl. Peruv. et. Chil. torn. 5. ined. t. 463. 

 Hab. in Peruviae collibus frigidis ad Rondos, Pillao, et Nauyan 



Ruiz et Pavon. ]^. Floret a Maio ad Octobrem. Vtilgo in Pillao 



Taucca-Taucca, id est, Acervus-Acervus. (V* s. sp. in Herb. 



Lamb.) 



2, A parvijlora, foliis supr^ planis, antheris subrotundis : connective angus- 

 tissimo. 



Abatia parviflora, Ruiz et Pavon L c. 1. p. 136. Fl. Peruv. et Chil. torn. 



5. ined. t. 464. 

 Hab. in Peruvise runcationibus circa Muna vicum — Ruiz et Pavon. 



Tj . Floret a Maio ad Augustum. Vulgb Taucca-Taucca. (V. s. sp. 



in Herb. Lam.) 

 Folia magis canescentia, supi^ planiora. Flores duplb minores. La- 



ciniiB calyciius ovato-oblongse. Situs racemorum in utraque idem. 



Species Bogotensis ab amicissimo Kunthio descripta videtur dis- 



tincta. 



Obs. Stamina quadruplum lacinianim calycinarum efficiunt, sed mode 

 unusitato in simplici ordine disposita. Pili faucis ob formae struc* 

 turaeque difFerentiam vix pro staminibus sterilibus desumptL 



There is another genus, which M. De Candolle has placed 

 in Ho7nalina, namely Aristotelea, on which I beg to offer a 

 few observations. The comparison of this genus with Tri- 

 cuspiilaria leaves no doubt of its being a legitimate member 

 of the family Elaocarpea:. In both genera the calyx is five- 

 lobed ; the petals five, and alternating with the lobes of the ca- 



