UHicece. ] CLIII. URTICACEuE. 387 



84. Boehmeria, Jacq. Stirp. Ainer. 246, t. 157- (Splitgerbera, Miq. Comm. PJiyi'xjr. 

 133, t. 14. Duretia, Gaudick. in Freyc. Voy. Bot. 500 in adnot.) — Flores monoici v. 

 dioici, utriusque sexus globoso-glomerati. Fl. ^ ; Perianthium 4-lobum v. 4-partitumj 

 rarius 3- v. 5-partituia, lobis segmentisve ovatis valvatis dorso sub apice mucronatis v. 

 muticis. Stamina 4, rarius 3 v. 5. Ovarii rudimentum clavatum v. subglobosum. 

 Fl. $ : Perianthium tubulosum, compressmii v. ventricosunij ore saepius contracto 2-4- 

 dentato, fructiferum interdum auctum in angulos 2 acutos v. alatos dilatatum v. intus 

 cellulosum. Ovarium inclusum, sessile v. stipitatum ; stigma elongato-filiforme, uno 

 latere pilosum, diu persistans nee in ovario articulatum ; ovulum a basi erectum. 

 Acbsenium perianthio marcescente inciusum eique baud raro accretum ; pericarpium 

 tenuiter crustaceuni, dum liberum extus nitidum. Semen conforme, testa tenuiter mem- 

 branacea ; albumen varium ; cotyledones ellipticfe v. ovata3. — Arbusculse fnitices v, 

 sufirutices, magis minusve pubescentes. Folia o'pposita v. alterna, pequalia v. intequi- 

 latera, dentata et rarius 2-loba, 3-nervia ; stipulse liberie v. rarius intra petiolum basi 

 connatse, deciduse. Florum glomeruli fere semper unisexuales, ad axillas v. ad nodes v. 

 secus rhachin spicfe v. ramos cymse paniculiformis sessiles. Bractete parvfe, scariosre. 



Species ad 45, regionum calidioruni utriusque orbis incolse, plerseque tropicae, in America tamen 

 a Chile usque ad American! borealem et in Asia oriental] usque ad Japoniam extensse. Wedd. in 

 JOC. Prod. xvi. i. 196 ; Monoqr. t. U. Maxim, in Bull. Acad. Petcrsb, xxii. 249; Mel. Biol. ix. 639. 

 Benth. Fl. Austral, vi. 184. Ja<'q. Hort. Vivd. t. 166. Bonpl. Jard. Malm. t. lo. Endl. Iconogr. i. 86. 

 Blurne, Mus. Bot. Lugd. Bat. ii. t. 13, o6. HooJc. Kew Journ. iii. t. 8. Wight, Ic. i. 688, et 091 

 {Urtica), i. 1977 {Split grrhera). Miq. in M<(rf. Fl. Bras. iv. i. t. 64, 65. 



85. Chamabaina, Wightj Ic. vi. 11, t. 1981. — Flores monoici v. dioici, utriusque sexus 

 globoso-glomerati. Fl. ^ : Pei'ianthium alte 4-lobum, segmentis valvatis dorso sub apice 

 gibbosis mucronatisve. Stamina 4. Ovarii rudimentum clavatum. Fl. 5 : Perianthium 

 tubulosum, compressum, ore contracto minute 4-dentato. Ovarium inciusum ; stigma 

 patens, ovatum, fimbriatum, stylo brevi fultum ; ovulum a basi erectum. Perianthium 

 fructiferum crassiuscule membranaceum, turbinatum, vertice planum subclausum. Acha3- 

 nium inciusum, compressiusculum ; pericarpium rigidulum. Semen conforme, testa tenuiter 

 membranacea; albumen parcum ; cotyledones ovatse. — Herba diffusa, tenuis, basi radicans. 

 Folia opposita, petiolata, clentata, 3-nervia ; stipulse intrapetiolares geminfe, latse, mem- 

 branaceo-scariosa^, in axillis floriferis glomerulos juniores includcnt^s, inflorescentia 

 perfecta sub glomerulis persistentes. Glomeruli ad axillas sessiles, superiores masculi, 

 inferiores ssepius fceminei. Flores sessiles v. breviter pedicellati v. masculi nonnulli 

 longius pedicellati. 



Species 1, montium Indiae oriontalis inoolge. iVedd. in DC. Prod. xvi. i. 218; Monogr.t. 12. 



%o. Pouzolzia, Gandich. ik Freyc. Voy. Bot. 503. — Flores monoici, rarius dioici, ad 

 axillas glomerulati. Fl. ^ : Perianthium4-5-lobum v. partitum, rarius 3-partitum, segmentis 

 valvatis apice nunc concavia nunc abrupte inflexis doi'soque transverse plicatis. Stamina 

 4-5, rarius 3. Ovarii rudimentum clavatum v. oblongum. Fl. $ : Perianthium tubulosum, 

 ssepe rostratiim, ore contracto 2-4-dentato. Ovarium inciusum ; stigma filifonne, uno 

 latere villosum, cito deciduum ; ovulum a basi erectum. xVchasnium periiuitliio marces- 

 cente aucto V. vix mutato inciusum, ab eo ssepius liberum ; pericarpium nitidum, fragile. 

 Semen conforme, testa tenuiter membranacea ; albumen perparcum v. ; cotyledones 

 ovatai. — Herbcesuifrutices v. frutices. Folia alterna v. inferiora rarissime omnia opposita, 

 siepius integerrima, 3-nervia, superiora gradatim minora, aumma interdum in bracteaa 

 abeuntia ; stipula^ liberie, ssepe persistentes. Florum glomeruli unisexuales v. androgyui, 

 ad axillas sessiles. Flores plus minus pedicellati. Bracte?e parvaj. 



Species ad 48, regionum tropicarum utriusque orbis incolfe, in America tamon pauciores. Wedd. 

 in J)C. Prod. xvi. i. 219 ; Mofwgr. f. 13. Benth. Fl. Austral. \'\. 186. 



Pou~ohia a "Weddellio in genera duo dividitur, qiire tamen characteribus vix constantibus separautur 

 et potius pro sectionibus duabus soqucntibus habenda: — 



1, PoitznUia, Folionim nervi priraarii ssepiug ramosi ; perianthii (J lobi dorso couvexi v. gibbi 



C c 2 



