387 



MYRTACEAE: PSIDIUM. 



388 



Arbuscula 6 — 8-pedalis v. pleriimque frutex; ramis patentibus et 

 nutantibus (Mart.), teretiusculis, fuscescentibus, superne compressis. Folia 

 caerulescenti-viridia , juniora pellucido-punctata , 2 — 3" lg. , 7 — 13'" It. ; 

 nervo medio supra plauiusculo, subtus prominente; venis erecto-patulis, 

 adscendentibus, longiori a margine distantia arcuatim limbincrviis, supra 

 vix promiuulis, subtus prominentibus; venulis interjectis reticulatis, vix 

 visibilibus. Pedunculi x /i — 1" '£•, * — 3-flori. Ai.abastra cylindrico-tur- 

 binata, 5'" lg.; bracteolis stipantibus caducis. Germen multiovulatum. Ca- 

 lyx campanulatus, subinteger, \ x /% n lg., demum 5-partitus, lobis 4-angu- 

 lis, subtruncatis. Petala ovato-oblonga. Bacca vix pollicem longa, pnbe- 

 rula, coronata, 5-locularis. Semina in pulpa virescenti, amariuscula nidu- 

 lantia. (v. in hb. Monac.) 



Habitat ad ripas et in campis versus fluvium Fermozo prov. 

 Pernambucensis : M. PI. Hamadryas. 



11. PSIDIUM SIEBERIANUM Berg: ramulis pedunculisque 

 plus minusve tomcntosis; foliis chartaceis, longe petiolatis, lanceo- 

 latis v. oblongis, angustato-obtusis, basi acutis, utrinque elevato- 

 punctatis , ad nervum medium tomentellis v. glabris , supra nitidis, 

 subreticulato-venosis , arcuatim limbinerviis , pcdunculis axillaribus, 

 1— 3-floris , folio 2— 3-plo brevioribus ; genuine 3— 4-loculari ; ca- 

 lyce campanulato, breviter 5-dentato, demum profundius partito, 

 utrinque velutino. t) Variat: 



a. gracile: ramulis petiolisque superioribus pubcscentibus ; 

 foliis chartaceis, lanceolatis; pedunculis pubescentibus , folio 3-plo 

 brevioribus. 



Rami tenues, teretiusculi , superne compressi. Folia vix pel- 

 lucido-punctata; petiolo gracili, 6 — 7'" lg.; lamina 2—4%" lg., 

 4 — 10"' It.; nervo medio supra piano, subtus elevato, rufo; venis 

 tenuibus, erecto-patulis, utrinque prominulis. Pedunculi ad apices 

 ramorum congesti, 8'" lg. Alabastra 5'" lg., bracteolis stipanti- 

 bus caducis. Germen tomentosum, sporophoris multiovulatis. Ca- 

 lyx 2'" lg. Petala 5, oblonga, 9'" lg. Stamina 6'" lg. Stylus 

 T" lg. (v. in hb. Mart.) 



(3. robustum: indumento densiori; foliis rigidioribus , oblon- 

 gis ; pcdunculis folio dimidio brevioribus , validis. 



Rami crassiusculi. Folia petiolo valido , 6 — 7'" lg. ; lamina 

 3—4" lg., 10—18"' It. Pedunculi 10—14"' lg. Alabasrta 8'" 

 lg. (v. in hb. Mart.) 



Differt a Ps. Paraensi et ripario Mart.: foliis longe petiolatis, 

 excepto nervo glabris , basi angustatis ; a Ps. Maranhensi : foliis lon- 

 gius petiolatis , apice angustato - obtusis , basi angustatis , glabris , nee e 

 basi latiore cordata antrorsum sensim acutatis, subtus velutinis. 



Habitat in prov. Paraensi: Sieber. PI. Najas. 



12. PSIDIUM MEXGAHIENSE Camb. ramis teretibus , su- 

 perne griseo-tomentosis; foliis sessilibus, oblongis, obtusis, basi 

 rotundatis saepcque subcordatis, utrinque praesertim inferne griseo- 

 puberulis et elevato-, pellucido-punctatis; pedunculis axillaribus, 

 1 — 3-floris; bacca cllipsoidea, pubcrula, calyce 5-lobo coronata, 

 polyspcrma, 4-loculari. 1) 



Ps id turn Mengahicnse Cambess. in St. Hil. Fl. Br. merid. 

 II. 204. t. 138. 



Rami inferne glabrati. Folia 15 — 30'" lg. , 5 — 8" It.; nervo me- 

 dio subtus prominulo; venis vix conspicuis. Pedunculi 3'" lg. , teretes, 

 rufescenti-tomentosi. Bacca 8'" lg., 6'" It. Semen generis. (Camb.) -J- — 

 Differt a Ps. ripario: calyce lobato; fructu ellipsoideo, nee pyriformi. 



Habitat prope Mengahi prov. Minarum: St. Hilaire. Pl.Oreas. 



13. PSIDIUM SUFFRUTICOSUM Berg: suffruticosum , gla- 

 brum; foliis chartaceis, subsessilibus , ternis , sparsis v. oppositis, 

 lanceolatis, lineari-lanceolatis v. lanceolato-linearibus, utrinque an- 

 gustatis, acutis, pellucido-punctatis, supra nitidis, tenuissime reti- 



culato-venosis , limbinerviis; pedunculis axillaribus, petiolo lougio- 

 ribus, 1- v. 3-floris, alabastris obovatis, obtusis, apice poro per- 

 tusis; germine triloculari; calvce irregulariter rumpente. 



Suffrutex y, — 3 / 4 -pedalis, multicaulis; ramis angulatis, glan- 

 dulosis. Folia siccata supra fusco-atra, subtus pallidiora; petiolo 

 V" lg.; lamina 10 — 22" lg., 2 — 5'" It.; nervo medio supra vix 

 impresso , subtus prominente ; venis arrectis venulisque reticulatis 

 parum prominulis. Pedunculi 2 — 4'" lg. , plerumque 1-, rarius 

 3-flori, pedicellis 3 / 4 '" lg. Alabastra 3"' lg.; bracteolis stipanti- 

 bus caducis. Germen sporophoris parietalibus , bilamellatis, axi 

 approximatis , sed discretis incomplete triloculare , multiovulatum. 

 Calyx demum irregulariter rumpens, intus sericeus. Flores in 

 genere minores. (v. in hb. Vindob. , Berol. et Mart.) 



Habitat in pascuis desertorum Brasiliae: Pohl n. 1091. Pi. 

 Hamadryas. 



14. PSIDIUM ARGENTEUM Berg: ramulis argute 4-gonis, 

 sericeis; foliis subsessilibus v. breviter petiolatis, rigidis, obovato- 

 v. obverse oblongis, oblongo-Janceolatis v. lanceolatis, acute acu- 

 minatis, cuneatis, discoloribus, supra demum glabratis , creber- 

 rime nigrescenti- , impeliucido-punctatis , nitidis , reticulato-venosis, 

 subtus dense nitideque pilis ex f uscescenti argenteo - micantibus 

 sericeis, arrecto- v. subpatenti-costatis , arcuatim limbinerviis; pe- 

 dunculis axillaribus, solitariis, 1- , rarissime 3-floris, petiolo lon- 

 gioribus; alabastris pyriformibus , hiantibus ; germine 4 — 7-locu- 

 lari; calyce campanulato, acute 4 — 5-dentato, demum 4 — 5-par- 

 tito; baccis ovalibus. Variat: 



a. grandifoeium : frutex 6-pedalis; ramis validis, elongatis, 

 strictis; foliis plerumque obverse oblongis, majoribus. 



Folia petiolo marginato, incrassato, 1 — 2'" lg.; lamina 80 — 

 50"' lg., 10 — 22"' It. Pedunculi ex inferioribus axillis, 5'" lg. 

 (v. fructif. in hb. Berol.) 



/3. purpureum : frutex ramosus, ramulis, nervis marginibus- 

 que foliorum purpureis, siccatis badiis; foliis minoribus, latioribus, 

 obovato-oblongis; germine 4-loculari; calyce 4-dentato; petalis 4. 



Rami exophloeo delapso teretiusculi, laeves, nodosi. Folia 

 opposita v. in linn alterna, margine arguto recurva, juniora supra 

 puberula; petiolo marginato, 1 / 2 — -V" lg.; lamina 20 — 33'" lg., 

 10 — 16'" It. ; nervo medio supra vix impresso , subtus incrassato ; 

 venis utroque latere circiter 8, distantibus, supra prominulis, in- 

 fra elevatis, antrorsum adscendentibus et arcuatim anastomosanti- 

 bus ; venulis interjectis reticulato - ramosissimis , supra prominulis, 

 infra ob indumentum haud manifestis. Alabastra subtilissime seri- 

 cea , sub calyce constricta , 5'" lg. , bracteolis 2 , lineari-spathula- 

 tis, 2 — 2'/ 2 "' lg. stipata. Germen sporophoris bilamellatis, axi 

 discretis, multiovulatis. Calyx in alabastro subglobosus. Petala 

 obovata, alba. (v. florif. in hb. Berol.) 



y. pumilum: fruticulus % — * 1 / 2 - pedalis , ramis tenuissi- 

 mis; foliis chartaceis, lanceolato-oblongis , subsessilibus, oppositis, 

 alternis v. verticillatis ; germine 5 — 7-loculari; calyce 5-dentato; 

 petalis 5. 



Folia 26 — 28'" lg., 7 — 8"' It. Pedunculi tenues, 6'" lg. 

 (v. florif. in hb. Berol.) 



S. angustifolium : frutex ramosus ; ramis saepe geminis ; foliis 

 rigidis, oblongo-lanceolatis v. lanceolatis, breviter petiolatis, sub- 

 tus nitidis; pedunculis interdum 3-floris; germine 4 — 5-loculari; 

 calyce 5-dentato ; petalis 5. 



Folium: Tabula nostra VI. Fig. 122. 



