86 



INiiorimcn paiocciae Kuusamo (Nylander msc.)], Sibiria uralcnsi borenli 

 (Lkpech.), (crra Tschu ktscb oru m ad .sinum St. Laureiifii !, Kamtscbatka 

 (EuMAN ct RKnowsKY cx Cha>iisso) iiique i n s u I a Sf. Laurcntii! (Ciiamisso 

 ct Escuscnoi.Tz). 4. %. 



Radix perennis, cauliciilos plnres emittens caespitem densum, rlen- 

 sisslme foliosum, durum formantes. Folia lato- linearia subspathulata, 

 apice rotundato recurvata, marginibus rellexis. Peduncuhis terminalis, 

 solitarius, uniflorus, |)ollIcem circiter longus, j)lerumque nudus, subinde 

 ob unam alteramve bractearum calycem cingentinm demum a calyce 

 remotam bractea una v. altera stipatus, ('orolla nivea , circiter 5 

 lineas lata. 



Or€lo IjJLlLlLril, Convolvulaceae. Veiiteii. Tabl. II, 



p. ;j94. 



Calyx fisepalus : sepalis aequalibus v. inaequalibus, I — 2 — aseriatis, 

 persistentibus et saepius post anthesin auctis, rarissime gamosepalus, 

 .'ifidus. Corolla hypogyna, gamopetala, regularis, tubulosa, campanulata, 

 infundibuliformis v. iiiterdum siibhypocratimorpha : limbo plano v. sae- 

 pissime .5pIicato, acstivatione contorto, rarius imbricato, post anthesin 

 saepe involuto Stamina .5, corollae tubo inserta, ejusdem lobis alterna. 

 Filamenta aequilonga v. inaequilonga , basi saepissime ampliata et vil- 

 losa, interdum in fornicem dilatata, apice filiforniia. Antherae bilocu- 

 lares: loculis longitudinaliter deliiscentlbus; defloratae saepius tortiles. 

 Ovariiim basi anniilo earnoso hypogyno cinctiim, nunc unicum, simplex 

 2 — .'iloculare, rarius siibiml- v. uiilloculare, nunc duplex aiit quadruplex. 

 Ovula in locull.s solitaria v, geinina, in ovario uniloculari quaterna, e 

 columnae centralis basi erecta, Stylus saepiiis unicus, integer v. apice 

 plns minus profiinde bllidus, raro duplex. Stigma simplex, acutum v. 

 globosum , in stylo simpllci saeplssime bilobiim , rarissime plurilobum. 

 Capsula 1 — 4locularis, valvata, nunc evalvis: epicarplo saeplus trans- 

 versim soluto, nunc baccata, indehiscens, Semina dorso plus ininns 

 convexa, ereeta: testa coriacea v. membranacea, glabra v. villosa. Al- 

 bumen parcum, miicilaglnosum. Embryo curvatus. Cotyledones folia- 

 (seae, condupllcato-corrugatae, Radlcula umbillco proxlma, infera. 



Tr i b u s I. C o n o v o I v u 1 e a e. Choisy in Dec. Prodr. 



IX, p. 3;$5. 



Embryo eotyledoneus. Carpella iii ovarium unlcum coalita. Fructus 

 capsalaris, dehiscens. 



684. Ipomoea. L. 



Choisv in Mem. soc. h. n. Genev. VI, \>. 444. — Itl. iu Decand. Prodr. L\, 

 p. 348. 



Calyx Ssepalus. Corolla campanuiatn. Stamina inclusa. Stylus 1. 

 Stigma capitatum, saeplus bilobum. Ovarium biloculare; locnlis 2sper- 

 mis. Capsula 2locularis. 



