BEGONIACEAE. 



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I. BKGOMA ItoTATA l.iehm. — Liehmnnn in Vulensknbelipo Meddclclser (lf-51) p. II 



i i planta rnfo- villosa, rhizomate erecto crasso carnoso sqnam 

 f. lonpe peliolalis peltato - digitalis , foliolis 5 — 7 longe peliolulatis oblique 

 ellipticis acumiqalis b. cuneatia irregulariter denliculatis, supra airo- 

 vjndiiius pilis rufis adspersis, sublus pallidioribus subtilissime lepidoto- 

 granulalis inprimis ad uervos rufo-pilosis; scnpo folia duplo supei 

 cyma dichotoma, bracteis numerosis lalo-ovalis denliculatis longe rufo- 

 pilosis, florib. parvis . . . (specimen meum ninn< juvenile). 



Peliolis 4—5", foliola 3—4" lg., 1" 1. , petioluli 1", scap. pedal., bracteae %", — ln 

 umbrosis moniium declivibus pr. S, Jago inter Toiontepec et Trapiche de la Concep- 

 cion , in dep. Oajaca. 



5. BEGONIA POLYGONATA Liebm. — Liebmann I. c. p. 12. 



Subarborea, rhizomate crecto 1 — 2 pedali crasso densissime villoso- 

 squamoso cicatricibus magnis folior. delnpsor. snhanpulalo; f. longe petio- 

 latis peltatis crassis oblique cordatis lobatis, lobis dentatis, denlib. ob- 

 tusis, 9-nerviis, ulrinq. fusco-hispidis, petiolo laminam subaequanle 

 fusco-villoso, slipulis scariosis fuscis lato-lanc. acutis; scapo 1 — 2-pe- 

 dali bispido ap. paniculato-cymoso, ram. dicbotomis patulis pendulis 

 bracteis deciduis lanc. ovalisve obtusis: fl. albis, masculis diphyllis, 

 phyllis rotundato-cordalis, staminib. plurimis, filam. liberis, anlh. ob- 

 longis; femineis Iriphyllis, phyllis 2 exleriorib. majoribus oblongis ob- 

 tusis, tertio elongato-obovato, caps. b. lalo-cuneata , ap. truncata, ala 

 rnaxima lalo-falcata obtusangula; marg. exteriori curvato denticulato, 

 ala secunda parum angustiori denticulata, tertia minima rotundala. 



F. lamina 4'/ 2 " lg. , — 3'/," L, petioli 4'/,"; pedic. V,— 1" caps. 9'" longa lataque. 

 — Hab. in locis diclis Barranca de Consequiila pr. Mirador. 



6. BEGONIA SARTORII Liebm. — Liehmann 1. c. p. 14. 



Frutescens, caule bipedali curvato glabro tereti, internodiis foliis suis 

 multo breviorib.; f. longe petiolalis oblique cordatis angulato-lobatis, 

 lobis brevibus latissimis obtusiusculis acutisve irregulariter denticulatis 

 ciliatis, 7 — 9-nerviis subtus prominentib. rufis, supra saturate viridibus, 

 glabris subt. pallidiorib. pilis rufis, adspersis, petiolo laminam subae- 

 quante v. eo breviore rufo-piloso, slip. deciduis scariosis lanceolatis 

 glabris; scapo rufo-piloso, cyma pnuciflora, bracleis scariosis pellucidis 

 concavis ovatis obtusis, fl. . . . fructus . . . . 



F. lamina 5—6" lg. , 3—4" L, petioli 2'/ 2 — 4'". — Hab. in silvis umbrosis locorum 

 Eg ct Liquidambar pr. Ranchoen Chistla pr. Mirador (Dep. Vera Cruz), in alt. 3000'. 



7. BEGONIA MODESTA Liebm. — Liebmann 1. c. p. 20. 



Annua, caule succulento hyalino ereclo puberulo, internodiis foliis 

 suis breviorib. ; f. lonce peliolatis semicordalis acutis b.rotundatis irre- 

 gulariter crenatis, crenaturis latis apieulatis ciliolatis, 7 — 9-nerviis, 

 utrinq. laete viridibus pellucidis, supra nilidis pilis flaccidis raris ad- 

 spi rsis, subt. glabris nitidis, peliolo lamina breviore v. eam subaequante 

 puberulo, slipulis deciduis minimis pallidis lanc. acutis; fl. axillarib. 

 subsolitariis v. terminalib. parce dichotomis, pedicellis gracilib. pube- 

 rulis, bract. oppositis pellucidis lanc. acutis , fl. albis, masculis 4-phyl- 

 lis, phyllis 2 exleriorib. majoribus rotundato - c'ordatis, 2 interiorib. 

 minutis ovatis, femineis 4— 5-phyllis, phyllis subaequalib. ovatis obtusis, 

 caps. utrinque rotundata, alis hyalinis membranac. rotundalis, 2 aequa- 

 lib. parum angustioribus. 



F. lamina 2—3" Ig., 1— l'/,- ]., p et . 1— 2'A". pedic. 6—9'", caps. 5'" lg., 4"' 1. — 



Hnb. in silvis densis pr. Colipa in dep. Vera Cruz. 



