384 CLIII. URTICACEJE. ^ [Urticece. 



PcriaTithium fructiferum nobis oninino idem yidetur quod in U. ohovata, ore ssepiiis vix dentate, 

 ncTisenio brevissime exserto ; interdum vero perianthiiim fore ad basin in segmenta 2 v. 3 diriditur, 

 quod etiam de U. ac^tminata aliisqiie pr&clicatur. luflorescentia $ stimulis quasi involucrat a, etc. 

 omnino 17. ohovat(E, a qua Sccpocm'])us specifice diffurt foliorum forma, et indumcnto. 



7©. Oyrotaenla, Griesb. in Mem. Amer. Acad. ser. 2, viii. 174 — Flores dioici, dense 

 glomerato-spicati, rhachi fructifera carnoso-dilatata. Fl. ^ : Perianthium 4-partitum, 

 segmentis latis imbricatis, alabastro depresso. Stamina 4. Ovarii rudimentum aub- 

 globosum, umbilicatum. Fl. $ : Perianthmm parvum, 2-lobum. Ovarium rectum ; 

 stigma sessile, penicillato-capitatum ; ovuluni a basi erectum. Aclicenium oblique 

 ovatiim, compressum, baai perianthio immutato stipatum ; pericarpiura crustaceum v. 

 tenuiter camosulum. Semen conforme, testa membranacea ; albumen parcum ; coty- 

 ledones latse. — Frvitices v. arbusculse (stimulis nullis?). Folia alterna, dentata v. integer- 

 riuia ; basi 3-nervia ; stipulie parvse, laterales, libera, caducse. Spic^e axillares, sessiles 

 V. subsessiles, rarius breviter ramosse. Flores secus rhachin glomerati v. glomerulis 

 confluentibus densissime conferti. Fructus in rhachi camosa nnmerosissimi, minimi. 



Ppecies 3, India' occidontalis incolse. Wcdd. in DC. Prod. xvl. i. 00. 



77. Girardinla, Gaudich. in Freyc. Voy. Bot. 498.- — Flores dioici v. monoici, dense 

 spicati. Fl. ^ : Perianthium 4-5-partitum, segmentis valvatis, alabastro subumbilicato. 

 Staiuiua 4-5. Ovarii rudimentum globosum v. cupulatum. Fl. $ : Perianthium ovoideo- 

 tubulosum, apice 2-3-dentatum, per anthesin usque ad basin uno latere fissum subspatha- 

 ceum, addito interdum segmento (v. bractea ?) altero parvo fere setiformi. Ovarium 

 rectum ; stigma subiilatum, acutum, minutissime papillosum, demum vix obliquum ; 

 ovulum a basi erectum. Achgenium latum, valde compressum, j)erianthio haud v. parum 

 aucto unilateraliter stipatum ; pericarpium crassiusculum, interdum subduplex, exteriore 

 membranaceo, interiore tenuiter cartilagineo. Semen conforme, testa membranacea ; albu- 

 men tenuissimnm v. ; cotyledones latre. — Herbse elatse, basi interdum frutescentes, pilis 

 V. aculeis urentibus ssepius crebris armatfe. Folia alterna, gi'osse serrata v. varie lobata, 

 3-nervia ; stipulte in unam intrapetiolarem sjopius latiusculam foliaceam connatse. Spicee 

 simplices v. paniculato-ramosse, ad axillas solitarife v. geminie, ^ sajpius long<ie, tenues, flori- 

 bus secus rhachinglomeratis, J sessiles, densissimre, pilis aculeisve rhacheos floras superanti- 

 buscreberrimisqnehorrid?e, breves globosse v. oblongee, v. elongatse apiceque subscorpioidese. 



Species 7, Asiae et Africa* tropiese incolse. Wedd. in DC. Prod. xvi. i. 100; Monogr. t. 2. Dtyne. 

 in Jacquem. Voy. liot. t. 153. . Wight, Tc. t. 687 {Urfica). Bl. Mus. Bot. Lugd. Bat. ii. t. 49. 



r 



78. Pliea, Lindl Collect, t. 4. (Dubreuilia, Gaudich. in Freyc. Voy. Bot. 405. Adike, 

 Pat fin. ex Wedd.) — Flores monoici v. dioici, ad axillas cymulosi, Fl. ^ : Perianthium 

 4-partitum, rarius 2-3-partitum, segmentis concavis carnosulis subvalvatis interdum in 

 cupulam truncatam connatis, dorso sfepe mucronatis v. appendiculatis. Stamina 4, rarius 

 2 V. 3. Ovarii rudimentum conicum v. oblongum. Fl. $ : Perianthium 3-partitum, 

 segmentis insequalibus, majore interdum dorso gibboso v. cucullato. Staminodia 

 segmentis opposita, squamiformia, nunc minutav. inconspicua. Ovarium rectum ; stigma 

 sessile, breviter penicillatum ; ovubmi a basi erectum. Achjenium ovatum v. orbiculare, 

 compre-ssum, parum obliquum, perianthio vix v. parum aucto stipatum v. subinclusum ; 

 pericarpium membranaceum. Semen conforme, testa tenui ; albumen vix uUum ; coty- 

 ledones latye. — Herbse annuse v. perennes, rarius basi frutescentes, interdum repentes v. 

 diffusfe. Folia opposita, cujusve paris sequalia v. valde inrequalia, integerrima v. dentata, 

 3-nervia v. subenei^i'ia ; stipulse in unam intrapetiolarem connatse. Cyma3 ad axillas 

 soliiariio, nunc douse capitulifurmes nunc laxe paniculato-ramosie, sessiles v. pedimculatse. 

 Bractese parvse, rarissime paucre majores. 



Species lid ICO, per regioncs tropieaa utriusque orbis late dispersse, in Australia tamen desunfc. 

 Wcdd. ia DC. Prod. xvi. i. 105 ; Monogr. t. 6 ad 8. Blume, Mus. Bot. Lugd. Bat, ii. t. 18. Miq. Fl, 

 hid. Bat. i. ii. t, 17, et in Mart. Fl. Bras. iv. i. t. 68 ad 70. BaJccr, Fl Maunt. 274. Ma.Tim. in 



Bull. Acad, Petersh, xxii. 242; Mel. Biol. ix. 629. Wight, L\t. 1973, 1974. Bot. Mag. t. 2481 

 2b%1 {Urtica). 



