58 TRIANDRIA. [CL. III. 



DIGYNIA. 

 11. ANTHOXA'NTHUM. SPBING-GEASS. 



Calyx of two egg-shaped, pointed, concave chaff-scales, one- 

 flowered. Corolla of two equal husks, shorter than the calyx, 

 awned on the back. An internal corolla, or nectary, consisting 

 of two egg-shaped, minute scales. Stamens hair-shaped, longer 

 than the corolla ; anther oblong, forked at both ends. Germen 

 superior, oblong. Styles short; stigmas long, downy. Seed 

 one, nearly cylindrical, tapering at each end. Name from 

 anthos, a flower, and xanthos, yellow. 16. 



1. A. odordtum. Sweet-scented Spring- grass. Panicle spiked, ob- 

 long ; flowers on short stalks, and longer than the awns. About a 



foot high : leaves short, pale green : panicle dense, becoming brown- 

 ish yellow: scales of the calyx unequal, acute, membranous, with a 

 green bristly keel : husks of the corolla obtuse, hairy, shorter than 

 the calyx, one with a short straight awn, the other with a longer 

 twisted one : internal corolla or nectary of two very small, membra- 

 nous scales. The pleasant smell of new-made hay is chiefly owing to 

 this plant, which in drying emits an odour similar to that ofAspe- 

 rula odorata and Trifolium officinale. Perennial : flowers in May : 

 grows in pastures and meadows : common. This plant is a true 

 grass, but is separated on account of its having only two stamens. It 

 is eaten by cattle. Eng. Bot. pi. 647. Eng. Fl. vol. i. p. 97. 52. 



CLASS III. TRIANDRIA. 

 Plants bearing Flowers with Three Stamens. 



Order I. MONOGYNIA. One Pistil. 



* Flowers superior. 



1 . VALERIA'NA. Corolla of one petal, five-cleft, protuberant on 



one side at the base. Seed one, crowned with a feathery pappus . 



2. FE'DIA. Corolla of one petal, five- cleft, protuberant on one side 



at the base. Capsule three- celled, crowned with the toothed 

 calyx. 



3. CRO'CUS. Corolla of six equal segments, resembling petals ; 



tube longer than the limb. Stigmas folded. 



4. TRICHONE'MA. Corolla of six equal segments ; tube shorter 



than the limb. Stigmas deeply divided. 



5. I'RIS. Corolla of six unequal segments, the three outer larger 



and reflected. Stigmas three, resembling petals, 



** Flowers inferior, chaffy. 



6. SCHCE'NUS. Chaff-scales single, in two rows, arranged in an 



imbricated spike, the outer empty. Husks none. Style simple 

 at the base, deciduous. 



7. RHYNCHO'SPORA. Chaff-scales single, arranged in a spike 



imbricated all round, the outer empty. Husks none. Style 

 enlarged at the base, permanent. 

 9. SCI'RPUS. Chaff -scales single, uniform, concave, arranged in a 



