Portidaca. 147 



PoRTULACA Linn., Cand. 



Calyx semisuperus, bipartitus, tardius inferne, ubi 

 ab ovario solutus evadit, circumscissus et deciduus. Pe- 

 tala 5, rarius 4 vcl 6, calyci inserta ipsoque lonj^iora, 

 libera vel infcrne cohaerentia. Stamina 8 — 15, calyci in- 

 serta, libera vel petalis inferne coalitis adhacrentia. Ova- 

 rium inferne calyci adnatum, uniloculare, multiovulatnm. 

 Stylus magpis minusvc profunde 3 — 8-divisus. Capsula 

 unilocularis, polysperma, circumscissa; placentae tot quot 

 stigmata in fundo capsulae. Semina funiculo filiformi 

 sustenta, subcochleato - reniformia, tuberculato - scabra. 

 Integnmentum duplex; exterius crnstaceum, fragile; in- 

 terius tenuiter membranaceum, albumini farinoso adhae- 

 rens. Embryo periphericus, subannularis. Herbae car- 

 nosae. Folia sparsa, interdum subverticillata^ integra, in- 

 iegerrima j in aa^illis fasciculo pilorum instructa. Flores 

 terminales et alares ^ solitarii^ gemini vel plures congesti^ 

 bracteis pilisque involucrati. Corollae Jtavae^ roseae vel 

 purpureae. 



1. Portulaca oleracca Z/2*w«, i^/^ec. 638. Cand.Pl.grass. 



t. 123. Schkuhr, Handb. 2. t. 130. Lam. III. t. 402. 



Cand. Prod. 3. 353. Mert. et Koch. Germ. 3. 369. 



Koch. Synops. 1. 252. 



Foliis oblong-o -cuneatis vel obovatis, apice rotunda- 

 tis, carnosis, g-labris, in axilla pilis brevibus instructis; 

 floribus sessilibus. 



a) sylvestris^ caule ramisquc prostratis; foliis oblon- 

 go-cuneatis; iloribus solitariis — (crnis: laciniis calycinis 

 obtuse carinatis. 



C. oleracea « sylvcslris Cand. l. c. 



p) sativa; caule erecto; ramis diifusis, adscendenti- 

 bus; foliis obovatis^ floribus solitariis — pluribus; laciniis 

 calyciuis in dorso alato-compressis. 



P. oleracea ,; sativa Cand /. c 



P. latifolia Hornem Hafn. 2. 491. 



7' 



