'"CONVOLVULACE/E ( AvcTÓn CHOISY J 393 
Ordo CXXXVII. CONVOLVULACELÀE (1) Vent. tabl. 9. 
p. 394. DC. fl. fr. 3. p. 639. — Convolvuli Juss. gen. 139. 
Calyx 8-sepalus , in Wilsoniá gamosepalus 5-dentatus. Sepala 
persistentia squalia aut inequalia, unico, duplici aut etiam 
triplici ordine disposita, circa fructum sepe aucta. Corolla ga- 
mopetala, hypogyna , regularis, tubulosa, campanulata , aut 1n- 
fundibuliformis , limbo nune 5-plicatonunc 5-lobo , ante anthesin 
contorte estivato, alba, ecrulea, lutea; sepius purpurea. Sta- 
mina 5, sepalis opposita, corolla lobis alterna, hujus limbo plus 
minus alte inserta. Filamenta sepe incequalia basi dilatata quan- 
doque villosa, nuda aut squamis munita, inclusa aut rarius ex- 
serta. Anthere longe , sepius sagittate et basi adnata, post 
anthesin sepe tortiles, biloculares. Pollen granulosum sphaericum 
aut angulatum. Nectarium annulare circa ovarium plerarumque 
specierum. Ovarium nunc unicum , simplex 2-4-loculare , rarius 
subuniloculare aut uniloculare, nunc duplex et quadruplex ; in 
quoque loculo ovulum unicum aut duplex réctum. Stylus sepius 
unicus integer aut. apice plus minus profunde bifidus, raro du- 
plex. Stigma acutum , complanatum aut globosum , ad cujusque 
styli ramificationis terminum , idcirco in stylo unico bilobum, 
Fructus capsularis varie dehiscens aut sicco-baecatus indehiscens, 
1-4ocularis, loculis 1-2-spermis ; capsularum dehiscentia valvata. 
Semina sepius hinc rotunda, hinc plana, basi ad centrum in 
angulo interno dissepimentorum inserta, glabra aut villosa. 
Testa sepius dura nigra. Albumen mucilagineum. Cotyle- 
dones foliaces corrugate , in Maripá crasse, recte, in Cuscut& 
nulle. Radieula incurva infera. — Herbs , suffrutices, frutices, 
rarius arbores. Caules nunc recti nunc repentes , scepius sinistror- 
sum volubiles, in Cuscutá parasitici aphylli. Folia alterna sim- 
plicia integra aut lobata, sessilia aut petiolata, sepe in eodem 
Specimine varia, nempe ad basim aut ad apicem caulis, in ra- 
mulis floriferis aut in stolonibus sterilibus. Flores in pedunculis 
uni- aut. multifloris axillaribus dispositi , cymas, racemos, um- 
bellas , corymbos , capitula sepe efformantes. Pedicelli in pedun- 
culis articulati scepe bibracteati. Bractew flori plus minus ap- 
proximate, nunc etiam florem involventes Radix simplex aut 
tuberosa. Pubescentia caulis, foliorum , pedunculorum, sepalo- 
rum , capsule, etiam seminum, rarius nulla , seepe spectabilis et 
fulgens. — Perplurimze hujus ordinis plantee ornamenti causá in 
hortis culte ; plures alise immerito neglectee et quarum culturam 
(1) Auctore Jac, Den. Choisy. 
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