74 S. Kurz — Contributions toioards a [No. 2, 



X X Flowers rather large and conspicuous. Calyx-tube elongate urceo- 

 late, in fruit produced into a tubular neck overtopping the bristle- 

 crown of the capsule. 

 Bristly hairj" ; calyx covered with peltate stellate -bristly scales, the ciliate lobes 

 linear-subulate, alternating with as many minute teeth conform with the lobes ; 



branches 4-cornered, 0. crinita. 



Almost glabrous or minutely bristly ; calyx sparingly sprinkled with minute ciliate 

 scales, or smooth, the lobes lanceolate, usually ciliate, alternating with minute 



ciliate teeth ; branchlets 4-cornered, 0. rostrata. 



* * Petals 5. Stamens 10. 

 More or less densely pubescent ; petiole very short or the leaves almost sessile ; bracts 

 broadly obovate ; caly:x loosely covered with rotundate fringed scales, 



. . 0. JVepalensis. 



More or less appressed bristly, the branches much tubercled ; petiole f — 1 in. long ; 



bracts lanceolate ; calyx appressed setose, t . . . . 0. aspericaulis, 



1. O. Chinensis, L. sp. pi. 490 ; DC. Prod. III. 141 ; Triana in 

 Linn. Trans. XXVIII. 53. (O. angustifoUa, Don. Prod. Nep. 221 ; DC. 1. 

 c. 142 ; Wall. PL As. rar. III. t. 251 ; Naud. in Ann. d. sc. nat. 3 ser. 

 XIV. 69). 



Var. a. aE]S"Ui]S"A, flowers sessile ; calyx-tube not or sparingly ciliate- 

 scaly, about 3 lin. long or longer, the lobes broad, about as long as the 

 tube. 



Var. )S. LiNEAEis, (O. linearis, Bl. Mus. Lugd. Bat. I. 51; Naud. ' 

 in Ann. d. sc. nat. 3 ser. XIV. 70 and XIII. t. 7. f . 4 ; O. Zeylanica, DC. 

 Prod. III. 141 ; Eoxb. Fl. Ind. 11. 223), calyx somewhat smaller and 

 shorter, almost spherical, more or less covered with long-hairy scales, some- 

 times (in bud) appearing densely pilose ; flowers nearly twice as large, on 

 short pedicels, the calycine lobes shorter and narrower. 



Has. Frequent on grassy or waste places of the plains, and more so 

 in the open forests, all over Pegu. — Fl. Fr. Decb. 



2. 0. ROSTRATA, Don. Prod. Nep. 221: Trian. in Linn. Trans. 

 XXVIII. 53. (O. quaterna, Ham. in Don. 1. c. 222). 



Var. a. ptjlchella, Triana 1. c. 54 {Melastoma puJcJiellum, Eoxb. 

 Fl. Ind. II. 403 ; O. pulchella, Bth. ap. Naud. in Ann. d. sc. nat. 3 ser. 

 XIV. 73.), the 4-conered stems and branchlets and leaf -nerves minutely 

 bristly ; calyx-tube covered with ciliate scales. 



Var. /?. LOifGicoLLis, Triana 1. c. 54, leaves, the 4.cornered stem and 

 branches glabrous, the latter usually bristly fringed between the petioles ; 

 calyx and its lobes quite glabrous, or only the latter ciliate. 



? Var. y. ternifolia, Trian. 1. c. 54 (O. ternifolia, Don. Prod« 

 Nep. 221 ; DC. Prod. III. 142 ; Wall. PL As. rar. IIL 2L. t. 239), pretty 

 glabrous, branches 8-cornered, calyx less stellate-bristly, apparently without 

 additional teeth between the lanceolate -linear calyx-lobes. 



