Key to the Orders, Genera, &c. 



335 



Fl. bisexual. 



Perianth segm. 4, carpels 4 

 Perianth segm, 6, ov. 2-3 celled 

 Fl. monoecious, per. (?) of 

 fine hairs . 

 Fl. not on a spadix. 



Ov. of many separate carpels 

 Leafy aquatics, cal. green, 



cor. white . 

 Leafless saprophytes, peri- 

 anth 4-8-partite 

 Ov. syncarpous, perianth 6-partite, except Draccena 

 Stam. 4, stem twining 



1. broad 

 Stam. 3-2. 



Rush-like plants, fl. in 



cone-like spikes 

 Stam. alternating with 

 staminodes 

 Stam. 6. 



Fl. unisexual, fr. baccate. 

 Climbing shrubs, 1. 3-9- 



veined 

 Erect, tall herbs, 1. 

 closely veined . 

 Fl. bisexual. 

 Fr. capsular. 

 Fl. irregular . 

 Fl. regular. 

 Fil. naked. 



Perianth mem- 

 branous 

 Perianth coria- 

 ceous . 

 Fil. long-bearded 

 Fr. baccate. 



L. tipped by a spiral tendril . FLAGELLARIA, iv. 317 

 L. replaced by eladodes . . Asparagus, iv. 284. 

 Stem erect, woody, fl. panicled Dracaena, iv. 287. 

 L. ovate, fl. subumbellate . DlSPORUM, iv. 288. 

 L. linear, fil. swollen in the 



middle .... Dianella, iv. 288. 



POTAMOGETON, iv. 373. 



Acorus, iv. 365. 

 cxli. Typhace^e, iv. 342. 



cxlv. Alismace^e, iv. 369. 



CXLIV. TRIURIDE.E, IV. 367. 



te, except Draccena. 



CXXXII. ROXBURGHIACE^E, iv. 280. 



cxxxv. Xyride^e, iv. 296. 



CXXXVI. COMMELINACEiE, iv. 298. 



Smilax, iv. 282. 



SUSUM, iv. 317. 



Floscopa, iv. 315. 



CXXXIII. LlLIACE^E, iv. 281. 

 CXXXVIII. JUNCACEyE, iv. 318. 



Cyanotis, iv. 311. 



Series II. — Apetaloid. Perianth o or very obscure; fl. not in 

 spikes of imbricating bracts. 



Small or minute, floating, gregarious 



disks 



Stemless floating herb, 1. arranged in 



a cup 



Fl. in a spadix, usually crowded, 2 

 only in Ruftpia. 

 Spadix enclosed at first in a spathe 

 or spathes. 

 Spathe solitary. 



cxliii. Lemnace^e, iv. 366. 

 Pistia, iv. 344. 



