SY^'0F6'IS OF THE NATUBAL OBDEBS. 16 a 



ExcejpHons. — Flowers wanting the per. occur in HydeochAKILE^, 

 Typhace^, Abace^, LEMKACE-a] and Naiadace^. 



Sdb-division" 1. Microspermous. Flowe9\<t 1-or 2-sexual. Per, 

 super.; segments usually 2-feriate, inner or both corolline. Ovary 

 1 -celled, or placentas parietal. Seeds many, minute. 



CVI. Hydbochaeide^. Flowers 1-sexual, inclosed in spathes. Sep, 

 3. Fei. 3 or 0. Stam. 3-15, anth. erect, hvary 1-or almost B-celled; 

 styles or stigmas 3-12. Fruit fleshy or membranous. — Aquatic herbs with 

 undivided leaves. 



CVII. Obchide^. Floivers irreg., 2-sexual. Perianth 6-partj seg- 

 ments in 2 series, inner or both corolline. Stam. usually 3, confluent with 

 the style in a column ; anth. 2-celled, pollen-grains cohering in waxy or 

 powdery masses. Ovary 1 -celled, with 3 parietal placentas, usually 

 twisted. Caps, loculicidal.— Herbs tr shrubs, often epiphytic. 



Sub-division 2. Epigynous. Flotcers 2-sexual (except JDioscor- 

 eacece). Eenanth super., in 2 series, one or both corolline. Ovary 



1 -3-celled. Endosp. copious. 



CVllI. SciTAMiNE.^:. Flowers irreg., 2-sexual. Fer. 2-seriate, inner or 

 both petaloid, limb spreading. Stam. only 1 fertile. Ovary 1-3-celled, 

 style long, stigma often ciliate round the margin. Perennial herbs with 

 penninerved leaves. Inflor. usually spicate. (In Musa the fl. 2-sexual the 

 inner perianth is represented by 1 short pet., and there are 5 fertile stam.) 



CIX. Amabyllide^. PermwfTi super., petaloid ; limb 6-lobed <r-part., 

 in 2 series. Stam 6, en base of per. segments, fil. distinct or connate, anth. 

 erect or versatile. Ovary 3-celled, cells many-ovuled. Fruit indehiscent„ 

 or a capsule opening luculicidally or bursting irregularly. Eootstock 

 bulbous or tuberous. Leaves linear or lanceolate. Scape few or many- 

 flowered. 



ex. DioscOhEACEiE (Dioscorea). Flowers 1 sexual. Perianth 6-cleft, in 



2 rows. Male-el.: - Stam. 6, or 3 only perf ., on base of per.-segments, anth. 

 oblong or globose. Fem.-el.: - Staminodes 8 or 6. Ovary 3-gonous, 3- 

 celled, cells 2-ovuled, stigmas 3. Fruit a coriaceous 2-winged loculici- 

 dal capsule, dehiscing through the wings. Seeds flat, broadly winged.— 

 Twining herbs or shrubs, sometimes prickly. Leaves opp. or altern., 

 simple or 3-5-fol. Inflor. spicate or racemed. 



Sub-division 3. Coronarise. Flowers rarely 1-sexual (dioeeiou& 

 in Smilax). Perianth infer., 6-part., in 2 series, one or both corolline. 

 Ovary super., 3-celled. 



CXI. Liliace^. Flowers 2-8exual. Perianth petaloid 6-merou8, seg- 

 ments free or connate below. Stain. 6, on the per., or hypog., fil. usually 

 free. Ovary 3-celled, cells 2-or more-ovuled. Fruit Si, 3-celled berry or 

 capsule. Seeds subglobose or flattened ; endosp. horny or fleshy, embryo 

 terete.— Herbs, rarely shrubs. 



CXII, Pontedebiace^ (Monochoria). Flowers 2-sexual, irreg. Sejp, 

 3, oblong. Pet. large, corolline, obovate, marcescent. Stam.G, on base ai 



