42 SrilING FLOWERS. 



(115) Anthoxanthum — spikelets one-flowered (i. e. one perfect 



flower, and two neuter ones consisting of empty pales) 

 pales of the neuter flowers awned ; stamens two. 



** Inflorescence lax, spihe-lihe, one-sided. 



(116) Chamsegrostis — glumes two ; pales membranous, awnless. 



*** Inflorescence lax, panicled. 



(117) Aira — spikelets two-flowered ; pales awned, the awn scarcely 



protruding beyond the glumes. 



(118) Poa — spikelets three- or more flowered ; glumes shorter 



than the spikelets ; pales awnless, keeled at the back. 



[III.— SPECIES AND YAEIETIES.] 

 *#* The nvmbers in 'parentheses correspond loith those in the foregoing list. 



(1) Anemone. 



* Sepals covered outside loith silky hairs. 

 A. Pulsatilla : flowers large^ solitary, violet-purple, with the 

 involucre deeply cut into linear segments ; carpels with feathery 

 tails. — Pasque-flower. — Limestone pastures. Fl. April, May. 



** Sepals smooth on both sides. 

 A. nemorosa : flowers small, solitary, white tinged with red 

 outside ; the involucre of stalked leaves, with the leaflets lobed 

 and cut; carpels downy with a point not feathery. — Wood 

 Anemone. — Woods and thickets. Fl. April. 



(2) Myosums. Mousetail. 



M. minimus: annual, dwarf ; radical leaves linear ; flowers 

 solitary, small, greenish; receptacle becoming much elon- 

 gated. — Damp sandy or gravelly fields. Fl. May, June. 



