PETROCARYA. CHRYSOBALANEAE. 271 



2. P. SUMATRANA W. Jack in Calcufta Journ. of nat. hlst. IV. 165. •{■ — Foliis ellip- 

 tico-oblongis, subtus canescentibus ; calycis ore regulari ; staminibus septem fettili- 

 bus. b — Crescit in Sumatra. 



Ordo LXXIY. AMYGDALEAE Emll. 



(Wlprs. Repert. bot. syst. II. 8. et 007. V. 648. — M. J. Roemer, Famil. natur. regn. ve- 

 getab. synops. monogr. III. p. 1—96. — Rosacearnm trib. II. DC. Prodr. II. 529.) 



6404. PYGEIJM Colelr, 



(Wlprs. Repert. II. 8.) 

 1. ♦ P. ACUMINATUM Colebr. — Wlprs. 1. c. no. 1. — Wglit. Icon. plant. tab. 993. et 

 Spicileg. Neilgherr. I. 54. tab. 66. 



6405. AMYCDALrS Linn. 

 (DC. Prodr. II. 530. — Wlprs. Kepert. II. 8. et 907. — Persica Tourn. — DC. I. c. 531.) 



1. A. (Spartioides) ARABICA Olivier in Jaub. & Spach, Illustr. plant. oriental. III. tab. 

 226. — (Wlprs. 1. c. 907. no. 1.) — Ramis ramulisque angulosis; foliis spatbulato- 

 vel lanceolato-oblongis, obtusis mucronatis eroso-creniilatls serrulatisve ; drupis sub- 

 globosis mucronatis iiicano-puberulis, putamine ecarinato eforamlnato laevigato, vlx 

 compresso. ^ — Frutex 2 — 3-pedalis, plstillo fructuque exceptls glaberrimus. Ra- 

 muli simplices vel paniculati, annotini crassitie pennae corvinae, fructiferi aut ex toto 

 aphylli , aut raraulls novellis foliatis parcis instructl, aut ramillulos paucos abbrevia- 

 tos folia fasciculata edentibus gerentes. Folia 6 — 12 lineas longa, supra laete vlridia, 

 subtus pallidiora, margine subcartilaginea, serraturls crenulisque plerisque glaiidu- 



losis. Flores ? Drupa volumine fructus Pruni spinosae, tandem calvescens, 



plerumque subglobosa , interdum ovato-globosa , vix aut ne vix quidem compressa, 

 pedunculo vix ultra unam lineam longo suffulta. Putamen volumine nuclei cerasini, 

 sutura dorsali canaliculatum, caeterum esulcum vel nonnisl basi et obsolete sulcatura, 

 ventre ecarinatura, apice obtusura cura raucrone parvulo. — Crescit in deserto Ara- 

 bico ad Euphratera, haud procul ab Anah. 



2. A. {CkamaemygdaltisJ HUMILIS Edgwrth. Transact. of the Linn. soc. XX. 44. — - 

 Frutex: foliis breviter petiolatis lanceolatis argute serratis; floribus sessilibus; caly- 

 cis tubo longo striato 5-dentato , segmentis brevibus crenulatis, intus puberulis, tubo 

 intusglabro, basi tantum puberulo; petalis brevibus obovatis basi cuneatis glabris; 



filamentis gl;ibris ; stylo longo , ovario glabro ; fructu ? \) — Differt ab J. 



nana follls ratione latitudinis multo brevioribus, tubo calycis longiore, petalisque 

 brevioribus. — Crescit in Himala ad alt. ped. 9000. 



3. A. (Euamygdalus) LEIOCARP.A Boiss. Diagn. plant. orient. VI. p. 52. — Ramis lae- 

 vibus nitidis ramosissimis clnerascentlbus, ramulis patulis rlgidis, apice nudis indu- 

 rato-spinescentibus; gemmulis foliaceis ad basin ramorum sparsis ; foliis post flores 

 esplicatis subsessilibus parvis ovatis oblonglsve obtusis vel retusis , saeplus obsolete 

 mucronulatls integrls vel sub lente obsoletissime denticulatis glabris cinereis ; stipulis 

 minirais setaceis deciduis; gerarais floralibus ad ramulorum partem inferiorem subso- 

 litariis unifloris ; floribus subsessilibus ; calycis glabri laciniis oblongis margine cilia- 



tulis tubo aequilongis; petalis ; staminibus sub 20 longe exsertis; drupis ovatis 



subsessllibus glabris mucronulatis. ^ — Ab omnlbus speciebus facile differt folils 

 minirais (2% Iln. longis, IVi lin. latis) glabris. — Crescit in decltvibus saxosis prope 

 ruinas Persepolls. 



4. A. (Scorpius) SPATHULATA Boiss. I. c. p. 53. — Ramis laevibus epiderraide subfari- 

 nacea aiba obtectis; raraulis brevibus tenuibus, apice spinescenti-induratis; gemis 

 foliiferis secus ramos juniores crebris ; foliis lineari-spathulatis, basi longe attenuatis, 



