170 CACTACK.E. (cactus FAMILY.) 



1. T. Boykinii, Kihmu. I\<in<^li-])iilicsc('iit; leaves l)ri)ailly cordate, 3-5- 

 lobed ; tlie hileral l()l)cs entire or toothed, tlie inidtlle one ius|ndate ; sterile 

 and fertile flowers intermixed, 3-5 in a cluster, short-pe<licelled ; Htyles 

 united ; fruit 3-seeded ; the seeds 3-toothed at the hane. — Hiver hanks, Georgia, 

 and westward. June -July. — Stems elongated. Klower.s greenish white. 

 Berry crimson. 



2. MELOTHRIA, L. 



Flowers polygamous or mona'cious. Calyx of the fertile flower narrowed 

 aliove the ovary ; the sterile ones canipanulate. Petals 5, united into a cam- 

 ])anulate corolla, ytamens 5, triadelphous : anthers tortuous, connate, at length 

 separate. Style single, witli a cup-shaped disk surrounding its ba.ve. Stigmas 

 3. Fruit oval, smooth, many seeded. 



1. M. pendula, L. Stem filiform, smooth ; leaves rough, cordate, with 

 3-5 angular-toothed lobes ; sterile flowers in small racemes ; the fertile .soli- 

 tary, on long peduncles; fruit oval, blackish, drooping. — Light soil, Florida 

 to North Carolina, and westward. May- August. — Flowers small, \ellow. 



3. SICYOS, L. 



Flowers monoecious. Calyx flattisli, witli 5 subulate or minute teeth. Pet- 

 als 5, united below into a rotate corolla. Stamens 5, monadelphous or tria- 

 delphous. Ovary 1-celled, 1-ovuled. Style slender. Stigmas 3. Fruit 

 membranaceous, bristly, l-.seeded. — Annual herbs. Sterile and fertile flowers 

 mostly from the same axil. 



1. S. angulatus, L. Plant hairy and clammy; leaves thin, cordate, 

 with 3-5 acuminate denticulate lobes; sterile flowers racemose; the fertile 

 ones in peduucled clusters, whitisli. — Kiver banks, Florida, and northward, 

 June - August. 



4. ECHINOCYSTIS, Torr. & Gray. 



Flowers moncecious. Calyx 6-toothcd. Petals 6, united at the base, spread- 

 ing. Stamens of the sterile flower 3, 2 of the anthers united. Fertile flower 

 with a 2-celled ovary, and 2 erect ovules in each cell. Stigma broad. Fruit 

 prickly, at length dry and bursting at the summit, fibrous within. Seeds 

 large, flat. — Climbing herbs, with small grccnisli white flowers, the sterile 

 numerous in long compound axillary racemes, with single or clustered fertile 

 ones at its base. 



1. E. lobata, Torr. & fir.ay. Aiinual, smoothi-^h ; leaves thin, acutely 

 5-lobed ; fruit oval, 2' long. — Piver Ijanks, Tennessee. July. 



The common GorRn or Calarash (Lagenaria vut.oarts, f^crinfje), 

 originally from the tropics, is generally diffused over the Southern States, in 

 waste places and around dwellings. 



Order O-'i. CACTACEJE. (Cactus Family.) 



Suocitlont, shrulihy. and commonly leafless and prickly ]ilants, with 

 globular, or columnar and angular, or flattened and jointed stems, and 



