RUBIACEJE. 



327 



hundred and fifty species^ and is represented in all wann and 

 temperate regions of the globe except Europe. 



By the intervention of Kadiia and Tehiosoleiiy Bouvardia (fig. 315- 

 317), generally attributed to quite a different group, is closely aUied 



to Oldcnlandia, The flower is 

 lobes of the calyx dentiform or 

 elongate with tongues often 

 interposed ; the corolla tubular, 

 straight or curved, with valvate 

 lobes, glabrous or hairy within ; 

 anthers dorsifixed, enclosed or 

 exserted ; the two stigmatiferous 

 branches of the style are papil- 

 lose on their entire surface or 

 at the margin and interior face. 



almost always tetramerous ; the 



Bouvardia Jacquini. 



The ovary has two cells each 

 enclosing an erect or ascending 

 placenta attached to the partition 

 by a narrow point and bearing 

 an indefinite number of ascending 

 ovules. The fruit is a loculicidal 

 or septicidal capsule, that is 

 finally divided into fourpannels; 

 and the seeds, peltate, com- 

 pressed or bordered with a 

 cellular wing, enclose a small 



albuminous embryo. They are herbs or shrubs of tropical or 

 subtropical America, with opposite or verticillate leaves, connate 

 stipules, and terminal corymbiform cymes. 



Fig. 317. Placenta. 



Fig. 315. Flower (f). Fig. 316. Long. sect, of 

 base of flower. 



1 Wight, /c5«. t. 822, 1030.— W. and Arx. 

 Prodr. 409 {.Anotis), 417.— Bart. Fl. Jmer. Sept. 

 t. 34.— Gkiseb. Fl. Brit. W.-Ind. 330, 331 

 {Luc)/a) ; Cat. Fl. Cub. 130.— A. Gray, Ma>7. 

 (ed. 2) 172.— Clos. C. Gay Fl. Chil. iii. 205 

 (Hedi/otis). — Harv. and Sond. Fl. Cap. iii. 8 

 {Hedyotis). — Baker, Fl. Maurit. 138. — Hibhn, 

 Fl. Trop.Afr. iii. 61, 65 (Hekistocarpa). — Balf. 

 F. Bot. Rodrig. 45.— Kl. Pet. Moss. Bot. 296.— 

 Wawr. Flora (1875), 260, 272 {Kadua).—lAiQ.. 

 Fl. Ind.-Bat. ii. 177 {Hedyotis), 185 (Scleromi- 

 triou), 187, 195 {Dicfycspora), 196 {Dentella); 



Suppl. 216, 5S9 {Hedyotis, Scleromitrion), 217.— 

 Benth. Fl. Austral, iii. 403 {Hedyotis), 406 

 {Dentella); Fl. Hongk. 147 {Hedyotis), 150.— 

 Bepd. Icon. Fl. Ind. Or. i. t. 1-8, 26-28, 29-36, 

 191 {Hedyotis).— Thvf. Enum. PI. Zcyl. 140 

 {Hedyotis), 144 (i)^w^^//a).— Boiss. Fl. Or. iii. 

 10. — Walp. Rep. ii. 491 (Gouothcca, Hedyotis), 

 602 {Karamyschewia, Leptopetalum) ; vi. 54 

 {Hedyotis), 56 {Karamyschewia), 67 {Leptopettt' 

 lum), 700 {Metabolus) ; Ann. i. 376 {Hedyotis) ; 

 ii. 768 {Hedyotis), 772 {Theyodis), 775 {Pelto- 

 spermiim) ; v. 116 {Hedyotis). 



