xcvi CLASSES, &c. AND GENERA ARRANGED. 



Arundo, (Reed.) Florets one, or many. Corolla surrounded with 

 long, permanent hairs. — Page 31. 



* * * * Flowers crowded (aggregate) on a jointed, or toothed common 

 stalk, with side, small hollows. 



Lo'lium, (^Darnel.) Calyx of one valve, opposite to the stalk, 

 fixed, many-flowered. — Page 31. 



Tri'ticum, (JVheat, or Wheat-grass.) Calyx of two, cross, oppo- 

 site valves, solitary, many-flowered : " the sides of one of the 

 valves directed to the spike-stalk, (rachis.) — Page 33. 



Elymus, {Lyme-grass !) Calyx of two parallel valves, crowded; 

 with two or more florets. " Spikelets two or three from the 

 same point. Calyx lateral, both the valves on one side the 

 spikelet.") — Page 32. 



Ho'RDEUM, {Barley.) Calyx of tw^o parallel valves, crowded, 

 divided into three, (ternate, ?). " Central floret perfect, side ones 

 mostly imperfect, (having often at the back of the inner valve a 

 bristle, or abortive floret : outer valve of the corolla awned. 

 Fruit incorporated with the corolla.") — Page 32. 



Order III. TRIGYNIA. 3 Pistils. 



Mo'NTiA, {Blinks.) Calyx two-leaved. Corolla of five irregular 

 petals, united at the base into one, (one-petalled.) Capsule 

 three-valved, three-seeded. N. O. Portulaceee. J. — Page 34. 



Class IV. TETRANDRIA. 4 equal Stamens. 



Order I. MONOGYNIA. 1 Pistil. 



* Flowers one-petalled, superior, one-seeded. 



Di'psACUS, {Teasel.) Common calyx many -leaved. Proper calyx 



single, superior, one-leaved, cup-shaped, crowning the seed. 



(Flowers in a very close head.) N. O. Dipsacese. — Page 34. 

 ScABio'SA, {Scabious.) Com,mon calyx many-leaved. Proper calyx 



double, superior, crowning the seed. N. O. Dipsacese. — Page 



35. 

 ** Flowers one-petalled, superior, two-seeded. N. O. Stellatse. 



Linn. Rubiaceae. Juss. 

 Galium, {Bed-straw.) Corolla flat. Fruit dry. — Page 37. 



