392 CLIIT. URTICACE^. [ Urtke(^. 



99. Phenax, Wedd.- in Ann. Sc. Nat. ser. 4, i. 191, in DC. Prod. xvi. i. 235^^; 

 Monogr. t. 16.— Flores monoici, rarius dioici, in axillis dense glomorati. Fl. ^ : Peri- 

 anthium campanulatum, supra medium in lo"bos 4, rarius 3 v. 5, divisum, lobis latis srepe 

 inflexis valvatis v. leviter imbricatis, alabastro globoso v. apice truncate. Stamina 4. 

 rarius 3 v. 5. Ovarii rudimentum aubglabrum v. breviter lanatum, interdum basi cum 

 basibus filamentorum in columnam brevem connatum. Fl. $ : Perianthium (ovario 

 undique arete adnatum, limbo nuUo prominente, Blame). Ovarium intra bracteam sessile 

 V. in stipitem brevem contractum, compressum ; stigma elongatum, tenue, uno latere 

 papillo-villosum, diu persiatens ; ovulum a basi erectum. Achsenium compressiusculum ; 

 pericarpium tenuiter crustaceum v. siibnicmbranaceum. Semen conforme, testa mem- 

 branacea : albumen parcum v. sat copiosum ; cotylodones ovata;. — Sufifriitices v. fruticcs 

 tenuea, sfepe diffusi. Folia altema, petiolata, crenata v. serrata, 3-5-nervia, scope rugosa ; 

 stipulre liberie. Florum glomeruli ad axillas arete sessiles, bracteis ferrugineo-scariosis 

 latis imbricatLs ; flores J breviter pedicellati, ^ subsessilcsj singuli bracteis arete inclusi. 



Species 10, Amcricre tropicee incolse, quanini una etiam in Mauritio et Malacca invenltur au 

 iiKiuiliiui? Bliivw, Mt(3. Sot. Lugd. Bat, ii. t. 54. Jac^. Eclog. t. 135 {Bcehmeria). 



100. Parietaria, Linn, Gen. n. 1152. (Freirea et Thaumuria, Gaudich. hi Freyc. Voy. 

 Bot. 502.)— Flores polygami, ad axillas cymosi v. glomerati. Perianthium liorum § et (? 

 alte 4-lobum, rarius 3-lobum, lobis valvatis, in flore $ basi evidentius tubulosimi, lobis 

 brevioribus. Stamina 4, rarius 3. Ovarium intra perianthium liberum, in flore ^ rudi- 

 mentum glabrura ; stigma breviter v. rarius longius lineare, recurvum, dense penicillatum, 

 sessile v. stylo f uitum, deciduum ; ovulum a basi erectum. Achsenium perianthio persis- 

 tente varie aucto saepe cylindraceo herbacco inclusum ; pericarpium tenuiter crustaceum. 

 Semen conforme, testa membranacea ; albumen sat copiosum ; cotylodones ovatse v. 

 oblongje. — Herbs! annuse v. perennes, ssepius diffusse, pube seepe e pilis haiuatis pnehensili- 

 bus. Folia alterna, petiolata, integerrima, 3-nervia v. triplinervia, ssepe parva ; stipulaj 

 0. Florum cymulse denste v. glomeruli ad axillas saepius gemini, sessiles. Bractese 

 exteriores nunc basi plus minus in involucrum sub glomerulo 3- v. paucifloro connatic, 

 nunc in cymula laxiore varie comiatce v. libera^, fructibus semper plus minus ex iuvolucro 



protrusis. 



Species ad 8, per regiones teiiiperatas ^itriusque orbis late dispcrsse, inter tropifos rariores, 

 quarum plures inter se hahitu simillimse in herhariis valde confus*. Wedd. in DC. Prod. 

 xvi. i. 235'*; Monogr. t. 17. Gartn. Fruct. i. 119. Nees, Gen. Fl. Germ. MonocJd. n. 20. 

 Beichh. Ic. Fl. Germ. t. 651. Ledch. Jc. Fl. Boss. t. 22. Sihth. Fl. Grac. t. 154. DcUlc, FL 

 JEggpt. t. 50. Wehh, Bhytogr. Canar. t, 21-1. 



101. Gesnoulnla, Gaudich. in Fregc. Voy. Bot. 502. — Flores monoici, fo^mineus cum 2 



masculis in iuvolucro basi tubuloso, involucris ghnucratis, glomerulis paniculatis. Fl. ^ : 

 Perianthium 4-partitum, segmentis apice inflexis subvalvatis breviter acuminatis. 

 Stamina 4. Ovarii rudimentum acuminatum, basi lanatum. Fl. $ : Perianthium 

 ovoideum, involucri tubo inclusum eique basi adnatum, breviter 4-dentatum. Ovarium 

 rectum, inclusum ; stigma lineare, stylo brevi fultum, uno latere papillosum ; ovulum a 

 basi erectum. Achainium perianthio et involucri tubo inclusum ; pericarpium tenuiter 

 membranaceum. Semen conforme, testa membranacea, vix a pericarpio solvenda ; albumen 

 tenue; cotylodones ovatse. — Arbuscula patule ramosa, ramulis foliisque novellis cano- 

 pilosis. Folia alterna, petiolata, majuscula, acuminata, integerrima, 3-ner\'ia et penni- 

 venia ; stipulse 0. Paniculse in axillis superioribus ramosa^, floribundse, interdum folia 

 excedentes. Involucrorum glomeruli secus ramulos paniculte dissiti, numerosi ; involucra 

 ipsa basi tubuloso-campanulata circa fructum leviter incrassata, lobis srcpius G angustis 

 insequalibus tubo longloribus. 



Species 1, ins. Carariensium incola. Wcdd. in DC. Prod. xvi. i. 235-'». VHer. Stirp. Xov, t, 20 

 {Vrtka). Wchh, Phyfogr. Caimr. t. 213 {Parictaria), Jacq. Fragm. t. 5 (Btrhmeria). 



Species altera in Prodromo momorata, Par ietaria Jilamei} torn, Webb, Phytogr. Ciinar. t. 212, 

 nobis tarn habitu quani chairacteribus melius Parietarice quam Gesnouinia convonire videtur. 



