82 



CL. XXI. MONOECIA. 



MONANDRIA. 



Calix, Corolla* 



0 612. ZOSTERA 



marina 



3 dent. 613. zannichellia 



3 fid. 



GRASSWRACK 



sea 



TRIPLE- HEADED 

 POND WEED 



marsh 



GAULINIA 



1. palustris © 



2. dentata 



614. caulinia 1 

 (fluvialis) 3 



1. flexilis (Najas Mx.) bending 



2. fragilis 



615. CHARA 

 1. foliolosa 



2. vulgaris 



3. glabra 



4. tenuis 



616. ELATERIUM 



t trifoliatum 



brittle 



CHARA 



leafy 

 common 

 smooth 

 slender 



SPRING GOURD 



three-leaved 

 DIANDRIA. 



Habitat, Fructus-, et 

 Temfius jlorendu 



caps, ovata rostrata 1 loc 



caps, subfalcata, 1 loc. 

 Virg. 



caps. ovat. 1 loc. 



Pens. fl. Sept. 

 Pens. 



bacca polysperma 

 Pens. fl. Jul. 

 Pens fl. Jul. 

 Pens. fl. Jul. 

 Pens. 



capsul. infera echinat, 



1 loc. 2 valv. 

 Virg. 



1 bin 



617. IEMNA 



1. trisulca 



2. minor 



3. polyrhiza 



618. PODOSTEMUM 



ceratophyllum 



DUCKS -MEAT 



ivy-leaved 

 % small 

 % large 



PODOSTEMUM 



hornvvort-leaved 



caps, globos. 1 loc. 2 sperm. 

 Pens. Cherok. 

 Pens. Car Virg. Cher. 

 Pens. 



caps. ovat. 2 loc. 2 valv. 

 Kent.Pens.fl. Jun.Del. 



TRIANDRIA. 



squarn. 3 pet. 



M 3 ph. 0 



3 ph. 



$ valv. 2 valv. 



619. ERIOCAULON 



1. decangulare 



2. gnaphalodes 



3. pellucidum 



4. viliosum 



5. fiavidulum 



620. TYPHA 



1. latifolia 



2. angustifolia 



62 i. SPARGANIUM 



1. ramosum 



2. simplex 



3. angustifolium 



622. zea 



PIPEWORT 



(10-angular) long-1, 

 short-leaved 

 transparent 

 woolly 



yellowish s. scored 



cat's-tail 



broad-leaved 

 narrow-leaved 



BUR-REED 



branching 

 upright 

 narrow-leaved 



2 valv. > 

 2fl. $ 



J INDIAN CORN, 

 \ ( MAIZE ) 



Mays autumnalis® late 

 B, aestivalis early 



tripsacum, 

 (sesame grass) 

 1. dactyloides 11 many-spiked 



B, monostachyon % one-spiked 

 .2, cylindricum cylindrical 



2 valv. 623. tripsacum 



semin. solitaria coron, 



Pens.fl. Sept N.Ebor. 



Car. Georg. 



Canada. 



Carol. 



Car. 



fructus cylindr. sera. 



ovat. 1. 

 Pens. fl. Jun. 

 Pens. N.Caes. Del. fl. Jun. 

 drup.exsucc. 1 sperm. 

 Pens. fl. Jun.Virg.Car. 

 Pens fl. Jun.Virg.Car. 

 Can. 



receptacul. commune 

 semin. subrotund. 

 Pens. H. fl. Aug. 

 Pens. fl. Jun. 



semen 1 ovatum. 



Pens fl. Jul.Car.Virg. 

 Carol. 



