394 CLIIL URTICACEJE. [Urticece. 



Forsk. FL ^J(f. Arab. 82.) — Flores monoici, intra involucruitt tubuloso-cainpanulatum 

 3-6-partitum aggregati, lana densa involuti. FL ^ in ambitu involucri go : Perianthium 

 in alabastro clavatum, per anthesin hinc fissum irregulariter S-lobnm v. 3-dentatuni, lobo 

 terminali inflexo. Stamen 1. Ovarii rudimentuni 0. FL 2 in centre involucri 1-5 : 

 Perianthium 0. -Ovarium rectum ; stigma filiforme, papilloso-hispidumj diu.persistens ; 

 ovulum a basi erectum. Ach^enia involucro inclusa, lana involuta, ovata, compressa ; 

 pericarpium. crassiusculum. Semen conforme, testa membranacea ; albumen parcum v. 

 ; cotyledones latse. — Herbse basi interdum lignescentes, tenues, pube rigida sa'pius 

 incana scaberrimse. Folia altema, dentata, triplinervia, subtus spepe incana ; stipulse 

 iateraleSj liberse. , Involucra ad axillas ssepius plura, extus longe sericeo-pilosa, bracteis 

 nunc a basi liberis nunc breviter connatis. Flores ^ pedicellati, ex involucro seepius 

 breviter prominentes, $ sessiles arete inclusi. 



Species 5, inter se non semper facile distinguendse, Africse totius, Arabise et Indise orientalis provin- 

 ciarum oceidentalium Ineolse, etiam in Hispania australi obvise. Wedd. in DC. Prod. xvi. i. 235^^; 

 Monogr. t. 19. Jaccj. Uort. Vind. t. 48. Wehh, Otia Hisp. f. 44. 



106. I>rogfuetia, Gaudich. in Freyc, Voy. Bot. 505; Toy. Bon'ite, 1. 114. — Flores nioiioici, in 

 involucro late campanulato dentato aggregati. FL ^ in ambitu involucri oo : Perianthium 

 in alabastro clavatum, per anthesin hinc fissum et inrequaliter 3-lobum v. 3-dentatum, 

 Stamen 1. Ovarii rudimentuni 0. FL ? in centro involucri 1 v. pauci ; Perianthium 0. Ova- 

 rium rectum ; stigma filiforme, papillpsu-hispidum, diu persistens ; ovulum a basi erectum. 

 Achpenia involucro inclusa, lanata v. nuda, ovata, compressa ; pericarpium crassius- 

 culum. Semen conforme, testa meml^ranacea ; albumen varium ; cotyledones ellipticce. — 

 Herbie quaui in ForakohUa toneriores, virides v. scabro-pubescentes. Folia ovata, serrata, 

 triplinervia ; stipulai laterales, liberee. Involucra quam in ForskoJdca siepius minora, 

 tomento brevi scabro pubescentia, ad axillas foliorum v. bractearum solitaria v. plura 

 conferta, subsessilia. Flores intra involucmm sessiles. 



Species 4, Africse tropicse ot australis Madagaseariee et Indiye orientalis incolse. Wedd. in DO, 

 Prod, xvi; i. 235^' ; Monogr. t. 19. ■ ^ 



Genus Forskohle(B nimis affine, in sectiones 2 distincfissimas dividitur: — 



1, Didymogync, foliis oppo-sitis, inrohicris omnibus axillaribus interdum gerninis pliiribusve. 

 Species Africana; et Indicae Forskohlea arete afflnes. Wight, lo. t, 1982 {Fomkohlca). Didymogynb, 

 Wedd. hi Ann. Sc. Nat scr. 4, i. 207. 



2. Eiidrogiieiia, foliis alternis, iuvolucris iu axillis solitariis superioribus v. omnibuy in spicam 

 terminalem dispoeitis, foliis floralibus ad bracteas parvas reductis. Species 2, Mascarenses, 

 D. leptostachya, "Wedd. (foliis lapsu calami oppositis dictis), et D. Thouarsiana, Gaud. Voy. Bonite, 

 t. 86, 87. 



I 



107/ Australina, Gaudich. in Freyc. Voy. Bot. 505. — Flores monoici, ad axillas 

 glomerati, exinvolucrati. FL ^ : Perianthium clavatum, hinc fissum v. irregulariter 

 dentatum, demum ssepe explanatum bracteiforme. Stamen 1. Ovarii rudimentum 0. 

 Fl. $ : Perianthium ovato-tubulosum, ore contracto obscure dentato. Ovarium inclusum, 

 rectum'; atigma lineare, sfiepel>reve, \mo latere villosum v. fere penicillatum, persistens 

 V. evanidum ; ovulum a basi erectum. Aichaenium perianthio parum aucto crassiuscule 

 niembranaceo v, fere camosulo arete inclusum, eique interdum adhferens ; pericarpium 

 tenue, nitididum. Semen conforme/te^a tenuiter membranacea pericarpio subadh^erento ; 

 albumen perparcum ; cotyledones ovatse. — Herbce diffusa', annupe v. jjteremies. Folia 

 alterna, petiolata, dentata v. minora (mbintegerrima ; stipulse laterales, liberse. Florum 

 glomeruli in axillis sessiles, unisexuales V. androgyni ; bractese 1-2 exteriores interdum 

 majores latioresque sed vix inyolucrum formantea. 



Species ad 5, Australiae et Africse australis incolse. Wedd. in DC. Prod. xvi. i. 235^ ; Monogr, 

 L20. Bent h. FL Austral. \llS9. 



DmYMODoxA, E. Met/. MS., species Africuiias aunuas continot quas ab Australiauis perennibus 

 geiiurice dialiuguit Weddell in DC. Prod. xvi. i. 235^' ; et Monogr. 547 t. 20, ob glomeruloa androgynos 

 et flores ? perianthio destitutoe. Glomeruli tamen etiam in Australianis psepo androgyni 8unt, ot 



