CL.VIII.] OCTANDRIA. 181 



HEPTANDRIA. MONOGYNIA. 

 1. TRIENTA'LIS. CHICKWEED WINTEB-GREEN. 



Calyx inferior, of seven linear, acute, spreading, permanent 

 leaves. Corolla of one petal, wheel-shaped, deeply divided into 

 seven elliptical, flat, spreading segments. Filaments thread- 

 shaped, spreading, shorter than the corolla ; anthers oblong, 

 recurved. Germen superior, round. Style cylindrical, as long 

 as the stamens ; stigma obtuse. Capsule globose, one-celled, 

 seven-valved. Seeds few, roundish, tunicated. Name of un- 

 known origin. 206. 



1. T. Europaa. European Chickweed Winter-green. Leaves oblong ; 

 stem solitary, simple, erect, from three to six inches high, crowned with a 

 tuft of leaves. A singularly elegant and beautiful plant : flower-stalks 

 from among the leaves, hair-shaped, simple : flowers white, often tinged 

 with red, and sometimes having only six segments, with six stamens. 

 Perennial : flowers in June and July -. grows in woods and on dry heaths, 

 in Scotland and the north of England : rare. Eng. Bot. vol. i. pi. 15. 

 Eng. Fl. vol. ii. p. 208. 578. 



CLASS VIII. OCTANDRIA. 



Plants bearing Flowers -with, Eight Stamens. 



Order I. MONOGYNIA. One Pistil. 



* Flowers having both calyx and corolla. 

 9. A'CER. Petals five. Calyx five-cleft, inferior. Capsule winged. 



2. EPILO'BIUM. Petals four. Calyx four-cleft, superior. Capsule 



four-celled. Seeds bearded. 



1. (ENOTHE'RA. Petals four. Calyx four-cleft, superior. Capsule 

 four-celled. Seeds beardless. 



3. CHLO'RA. Corolla deeply divided into eight or six segments. 



Calyx of eight or six leaves, inferior. Capsule one-celled. 



4. VACCI'NIUM. Corolla of one petal. Calyx four-cleft. Berry 



inferior. 



5. MENZIE'SIA. Corolla of one petal. Calyx of one leaf. Capsule 



superior ; partitions double, from the margin of the valves. 



7. ERl'CA. Corolla of one petal. Calyx of four leaves. Capsule 



superior ; partitions simple, from the centre of the valves. 



6. CALLU'NA. Corolla, of one petal. Calyx double, each four- 



leaved. Capsule superior; partitions from the column, alternate 

 with the valves, and unconnected with them. 



(Monotropa.) 

 ** Flowers destitute of corolla. 



8. DA'PHNE. Calyx four-cleft, coloured, inferior. Berry one-seeded. 



Order II. DIGYNIA. Two Pistils. 



(Polygonum. Chrywsplenium. Scleranthus.) 

 Q 2 



