TUR?fERACE-E — PASSIFLORACE^. 03 



Gkjtos VII. MYRIOrilYLLUM. 



Flowers perfect or inocecious. Calyx 4-partetl. Petals 

 4 or none. Stamens 4-8. Otvzr^/ 4-ccllcd. /Vi/// of 4 inde- 

 hisccnt carpels, cohorin«jj by the inner angles, acllicring to 

 the tube of the calyx. Aquatic plants. The submersed 

 leaves pinnate with fihform segments. /'Vo/rrr,? sessile, axilla- 

 ry, the upper staminale, the middle perfect, the lower fertile. 



1. M. Verticillatum. Stem \onr^, branching. Leaves vcrlicillate, the 

 upper pectinate, pinnatafid, the lower pinnate with capillary segments. Flow- 

 ers axillary, octandrous. Water Mil/oil. 



%. July — Sept. In ponds and streams. 



2. M. IlETEKoruYLLUM. Stem thick, branchinir, terete, floating, the up- 

 per leaves oval, acutely serrate, sul)-incrscd leaves numerous, vcrticillatc, 

 pinnate, with setaceous segments. Flowers hexandrous in irregular whorls. 

 Cb/^x with minute lobes. Pe/«/s; minute. Stamens 4-6. C^rptw roughened, 

 cohering at the axis. 



Purple. '1\- June — Sept. In ponds and streams. 1-2 feet. 



3. M. ScRABATUii. Stem terete, floating, taking roots at the lower joints. 

 Leaves vorticillate the upper, linear, pinnatifid, the lower setaceous. Flow- 

 ers verticillate, small sessile. Stamens 4-6. Carjjeb 2 ridged on the back. 



Pole purple. %. April — June. Shallow ponds. 10-12 inches. 



Order XLVII. TURNER.VCEiE. 



Sepals 5, united into a funnel shaped tube ; segments equal. 

 Pe/a/jf 5 equal, inserted on t lie calyx. Stamens 5, alternate 

 with the petals. Anthers introrse. Ovary 1 -celled with 3 pa- 

 rietal placenta:;. Ovules numerous. Styles 3. Capsule 3- 

 valved with loculicidal dehiscence. Seeds numerous. Her- 

 baceous plants. Leaves simjde. alternate. 



Genus I. TURNERA. 



Petals\on"cr than the calvx. Stii^mas manv cleft. 



1. T. CisTOiDES. ^/e/n simple, hirsute, with bristly hairs. Z^aves alter- 

 nate, oval, obtuse, crenaie, hairy, nearly ses?ile. Flowers solitary axillary ; 

 peduncit s ar'iculatcd towards the summit. Petals obovate. Anthers sagit- 

 tate. GijxuU globose, villous. Seed'^ reniform. 



Yellow. %.. June — Sept. Barren soils. Georgia, Florida. 12-18 in. 



Order XLVIII. PASSIFLOR VCEiE. 



Sepals A-b united at the base. Petals 4-b inserted into 

 the throat of the calvx, sometimes wanting. Stamens 4-5 

 monadelphous. Anthers introrse. Ovary stij)itaie, 1-celled, 

 with 3-4 parietal placentie. Styles 3-4 clavate, a filimen- 

 tous crown inserted into the calyx within the petals. Fruit 

 fleshy indehisccnt. .S'er^i? numerous, anatropous. Climbing 

 herbaceous plants, with alternate leaves. 



