54Q 



purpnreae Linn. o!) virtnlem narcotico-acrem, quae e substanlia snl generis 

 CDigitallna^ peniiet, apiul medico.s fama e.st. Digitcdis oc/trolcnca Jacq. , D. 

 laevigala \Vsi\Ast. et Kitaih., Digilalis ferrnginea Linn. aliaeque species offi- 

 cinali plantae virium (lignilate vi.v cedunt. 



Ordo €14. Acanthaeeae. 



Herbae basi siifrriiticosae, sujfrutices v. frufices, caiile ra- 

 inisqne nodoso-articiilatis. Folia opposita v. ternalim aut qiiater- 

 natim verticillata, integra, integerrima v. crenata aut denlata, 

 i:arius spinoso -sinuata, sessilia v. petiolata, ejusdem paris saepe 

 inaequalia, sino-ula basi plerumque nonnihil inaequilatera, exsti-. 

 pulata. Flores perfecti, irregulares, axillares v. terminales, 

 spicati, racemosi v. fasciculati, rarius solitarii, singuli bractea 

 bracteolisque geminis, nonnunquam obsoletis, interdum niaximis, 

 calycis tunc fere obsoleti vices gerentibus, stipati. Calyx pen- 

 lamerus, foliolis aequalibus v. inaequaiibus, dislinctis v. vario 

 coalitis quinquefidus v. quadripartitus, interdum foliolis anlicis 

 penitus coadunatis quadrifidus v. quadripartitus, flonnunquam bra- 

 cleoiis inclusus, annularis, niargine truncato, integerrimo v. irre- 

 gulariter multidentato. Corolla receptaculo inserta, tubulosa 

 gamopetala, limbo rarius aequaliter quinquepartito, saepissime 

 bilabiato, labio superiore bifido, interdum plane obsoleto, infe- 

 riore trilobo, lobis plus minus distinctis, aestivatione contortis. 

 Stamina corollae tnbo inserta, exserta v. inclusa, quinto postico 

 semper rudimentario v. plane obsoleto quatuor didynama, v. eliam 

 anticis duobus (semper brcvioribus) castralis v. penitus obsoletis 

 nonnisi duo. Filamcnta filiformia v. subulata, basi interdum per 

 paria connexa. Jnlherae nunc biloculares, loculis oppositis, 

 parallelis, aequalibus v. inaequalibus, valvuiis contiguis saepe in- 

 aequaliJ)us ad speciem uniloculares, nunc loculis inaequaliter in- 

 serlis, obliquis, superpositis v. divaricatis, altero tunc, imprirais 

 in staminibus anticis abortivo v. rudiinentario uniloculares, longi- 

 tudinaliter debiscentes. Germen liberum, diphylium, biloculare, 

 dissepimento e carpophyilorum niarginibus introflexis duplicato, 

 completo V. ad axim hiante, loculis anticum et posticum ab axi 

 floris latus occupantibus, saepius basi carpophyllis inferne in 

 unguem compressis obliteratis, interdum apice in rostrum angusta- 

 tis. Gemmulae in loculis geminae, ternae, qualernae v. interdum 

 indefinilae, juxta medium dissepimentum biseriatae, sessiles, pro- 

 cessu placentari sufTuItae, amphitropae v. campylotropae. Stylus 

 terminalis, fiiiformis, simplex; ^//^wa indivisum v. saepius bifidum, 

 Capsula membranacea, coriacea v. cartilaginea, sessilis v. ungui- 

 culata, obtusa v. rostrala, bilocularis (rarissime alterius loculi 

 abortu unilocularis et indehiscens), elastice bivalvis, dissepimenli 

 integri v. medio deliquescentis, per axim bipartibilis segmenti^ 

 valvis adnatis, persistentibus v. nonnunquam elastice di^silientibus, 



