201 CONVOLVULACEAE. 202 
varie pubescentibus. CoroLLa hypogyna, tenera, alte gamopetala, infundibuliformis v. 
campanulata v. hypocraterimorpha v. tubulosa v. subclavata v. rotata, post florescentiam con- 
torto-marcescens, tarde decidua; тово plerumque intra calycem angusto cylindrico, supra plus 
minus dilatato; тамво patente (saepe latissimo plano), regulari, breviter v. obsolete (raro pro- 
funde) 5-fido, lobis aequalibus latis acutis v. obtusis v. emarginatis, medio stria v. vitta plus 
minus lata apicem versus attenuata colore diverso insigni (extus saepius pubescente) notatis 
(limbo igitur radiatim 5-striato), aestivatione 5-plicata contorta v. raro induplicato-valvata v. ra- 
rissime imbricata, post anthesin plerumque involuta. Stamina 5 inferiori corollae tubo v. raro 
fauci adnata, inter se libera, inclusa v. rarius exserta; FILAMENTIS filiformibus glabris v. insertio- 
nem versus saepissime paullo dilatatis ibique pilosiusculis, plerumque inaequilongis (2 v. 3 re- 
liquis longioribus); ANTHERIS bilocularibus introrsis dorso supra basin affixis versatilibus linea- 
ribus v. ovali-oblongis, basi plerumque bifidis (sagittatis), rectis v. arcuato-recurvis v. demum 
spiraliter tortis, loculis parallelis rima longitudinali dehiscentibus; polline globoso v. angulato, 
laevi. Discus hypogynus cupuliformis v. annularis crenatus v. integer v. obsoletus. PisTILLA 
2 v. rarius 3 (v. 4?) aut tota connata, aut ex parte libera; ovARIA in unum concreta s. ovarium 
4—2- v. abortu 140сшаге, aut (in Dichondreis) 2 v. 4 discreta (nonnisi stylo communi basilari 
connexa); ovULA definita, in loculis solitaria v. 2 collateralia, loculi v. septi basi affixa, sessilia, 
erecta v. adscendentia; sTYLUS filiformis v. capillaris, indivisus v. rarius bifidus v. bipartitus v. 
rarissime styli 2 liberi; STIGMA capitatum indivisum у. emarginatum v. bilobum, lobis subglobosis 
v. ovalibus oblongisve complanatis v. filiformibus papillosis v. sublaevibus. FRrocrus rarissime 
indehiscens, baecaceus v, coriaceo-nucamentaceus, plerumque capsularis valvatim v. raro circum- 
scisse (aut irregulariter ?) dehiscens, 4—2-locularis (dissepimento interdum imperfecto) v. (abortu 
septi?) 1-locularis, 6— l-spermus; pericarpio pergamaceo v. coriaceo-crustaceo; dissepimento mem- 
branaceo v. papyraceo-tenui saepe diaphano et margine nerviformi cincto, a valvis solubili, de- 
ciduo v. saepe diu persistente; valvis 2—8 (sc. loculorum numero aequalibus v. duplis) deciduis. 
SEMINA 6—1, basilaria, erecta, sessilia, ovoidea v. subtrigona dorso rotundata, laevia opaca v. 
sub lente granulata, glabra v. puberula v. longe sericeo-villosa v. comosa, testa crustacea, sae- 
pissime nigricante. ALBUMEN parcum, mucilaginosum v. cartilagineum. EMBRYO curvatus, RADI- 
CULA infera, COTYLEDONIBUS plicatis et corrugatis, plerumque latis foliaceis et per germinationem 
epigaeis obcordato-bilobis, PLUMULA inconspicua. 
STIRPES herbaceae v. fruticosae v. raro arborescentes, pleraeque lactescentes, succo (prae- 
sertim radicis) saepe materiam acrem v. resinam drastico-purgativam continenti, pube simplici 
v. rarius stelluta v. nulla. Rapix fibroso-ramosa v. saepe tuberosa; CAULES erecti v. procum- 
bentes v. saepissime sinistrorsum volubiles, cirrhis destituti, ramosi v. simplices. Forra sparsa, 
ezstipulata*), pinnatim v. palmatim nervata, simplicia, saepissime cordata indivisa, v. angulata, 
v. dentata т. lobata v. palmatim 3—1-foliolata (an vere composita2), saepius in eadem specie 
variabilia adeo in eodem individuo diversiformia. | INFLORESCENTIA axillaris v. terminalis, pe- 
dunculata v. subsessilis, cymosa, cymis nunc multifloris regulariter dichotomis laxis v. contractis 
v. capituliformibus, nunc in cicinnos racemiformes abeuntibus v. depauperatis 3 —1-floris, ramis 
pedicellisque BRACTEIS (interdum foliaceis involucrum formantibus) fultis, FroRIBUS saepe magnis 
spectosis ephemeris, purpureis, violaceis, coeruleis, roseis, coccineis, albis v. luteis. — Ordo per 
totum orbem diffusus, aequatorem versus tam generum quam specierum numero increscens, те- 
giones frigidas circumpolares et editiorum montium fugiens, in Brasilia praecipue abundans. 
*) Interdum (v.g. in Ipomoea stipulacea Jacq.) spurie stipulata, scil. in axilla folia 2 vel plura nana sessilia gerentia occurrunt, quae quidem 
nil nísi folia rami nondum evoluti sunt, ab auctoribus vero improprie stipulae vocabantur. 
