522 Gonvolvulaceae Chois. 



lindricus, candidus, strictus, 0,3 poll. longus, apice antheras 



longiores superans, coroUa decidua persistens; stignia globo-. 



sum, papillosum, candidum, bipartibile aut potius bina hemi- 



sphaerica arcte adpressa, lobulata, lobis parallelis, hyalinis, 



cylindricis, apice paullo incrassatis, densis, apices pilormn 



staminum simulantibus tecta ; fructus globoso-ovati, styli ba- 



seos rudimento viridi apiculati, primo pallide virides, subal- 



bescentes, linea saturatiore a vertice ad basin e septi inser- 



tione notati, biloculati, 2-valves; loculi 2-spermi; seminci an- 



gulata, glabra; co^y/ef/o^^gi" virides corrugato-plicatae ; radiciila- 



infera brevis cylindrica, lucida, acuta, sub apice paullo incras-' 



sata. — , Per totum fere annum flores fructusque gerit. — 1846. 



-«!0i^ ,/rJ; , :niiir 



390. CALONYCTION SPECJOSUM Chois. p. MLRICATUM Ciipjs. 



Char. Gen. cf. Endl. Gen. 3805. Msn. Gen. 275. Comm. 182. 17. 

 Char. Spec. ef. Conv. -441. Ipomoea aculeata Bl. Bijdr. 715. 



Descrpt. Kamuli elongati teretes, retrorsum muricati, 

 glabri, folia cordata, reniformia et subrotunda, aut ovata, ob- 

 tusa, acuta aut breviter acuminata, integra aut trilobo-sinuata, 

 lobis obtusis, rotundatis, 3 — 6 poll. longa, 3,0 — 5,5poll. lata; 

 petioli teretes , supra leviter canaliculati , 4 — 9 poU. longi, 

 flexuosi; pedunculi axillares 1 — 5-flori, petiolis breviores, 

 2 — 5 poll. longi, teretes, glaberrimi; calycis sepala externa 

 bina aequalia, elliptica, carinata, sanguineo-marginata, apice 

 dorso mucrone recurvo sanguineo-viridi ; tertium eadem forma 

 sed longius, interna bina longiora, tenuiora, subrotundo-ovata, 

 viridi - carinata, apice mucrone erecto subuliformi; corollae 

 tubus 4 poll. longus, viridis, cylindricus, limbus 2 poll. altus, 

 candidus, extus (pars alabastri haud pHcata) viridi-striatus,- 

 glaberrimus, 5-lobus ; lobi rotundati, mucronulati, l,5poll. lati; 

 filamenta coroliae tubo adnata, infra faucem dein Hbera fili- 

 formia, albida, subaequalia, apice subulata; antherae oblongae, 

 basi cordato-emarginatae, albidae; stylus filifbrmis elongatus^ 

 stigma capitatum, bilobum, squamuloso-imbricatum , fructus 

 ovati, acuti, apiculati, glaberrimi, nigrescentes, 4-valves, bilo- 

 culati, membranis pericarpii dein secedentibus ; semina obsolete 



