CENTUUIA XI. 71 



1004. MiLHANiA Neck. 645. Calistegia RB. 

 diff. Convolv. cal. duplex, pcrsistens, ext. bipart. 

 major, internus 5part. subeq. stigm. 1 capit. obi. 

 s. glob. — Types C. sepium, 2 riparia Raf. 3 

 involucrata, 4 bracteata, 5 pentaphyla (stig. 

 bilobo, cor. 5 loba.,) 8 spithamea, 0, 10 villosa 

 and nititabUis J\.ai\ fl. ludov. 11 Catesbiajiaf 

 with many others. 



1005. TirtaliaR. (n. ind.) diff. Convolv. cal. 

 equalis, vel. subeq. stig. capit. bilobo — Types 

 y. striata 2. angastif. 3 cmarginat, 4 max- 

 ima, 5 Sibirlca &c all Convolv. of Authors. 

 C. fiUcaidis with stigma simpl. obtuse is pro- 

 bably a subgenus ApUmia Raf. — A 3d subg. 

 PiiAESTis has cal. unequal, such as C. domin- 

 gensis, gemellus, triflorits, hispidus, anceps. 

 triqueter, tnacrorliiza, Vitifolms, dissectus, 5 

 lobus, umhellatus with villose seeds &,c, mala- 

 baricus with villose corolla &c, panduratus 

 with costate calix and stigma &c. 



1006. TuKPETiiuM Raf. diff. Convolv. cal. sub- 

 triplex, ext. caducus bracteis 2 magnis, internus 

 persist. 5part. ineq. 2 major ext. involvens, 3 

 int. minor eq. corolla infundib. 5loba emarg. 

 plicis oppositis, stam. 5 subeq. antheris spiralis, 

 stig. capit. caps, didyma 21oc. 2-'Jsp, — Types 1. 

 T. indicum Raf. Ipomea et Convolv. do Auct. 

 Herm. t. 178. hot. reg. 279. Villosa, fol. obi. vel 

 deltoideis repandis cuspid, ped. 2fl. Ceylon, Ma- 

 labar 4*c. fl. white. — 2 T. australe Raf. Ip. ^ 

 turp. R. Br. fol. cord, acutis integris, ped. mul- 



tifl. caule angulato. Australia and Tahiti. 

 Probably other sp. 



1007. PiiARmTis Choisy, diff. Convolv. stig. 

 capit. granulato 3-41obo stellato, caps. 3-4loc. 

 3-4valv, 6-8sp. — All the Convolv. with bell flow- 

 ers, capitate stigma and more than 2 cells be- 



