76 The Foora of Wilts/lire. 



partial flower-stalks bearing only a single head of fertile flowers ; 



the other fertile heads^ and all the sterile heads are sessile. The 

 sides of the leaves are plane, not concave or grooved ; the flowers 

 pale yellow. Lightfoot comprehended this and S. ramosum, under 

 the common name of erectiim. 



ORDER. ARACE^. (JUSS.) 



AruMj (Linn.) Cuckoo-Pint. 



Linn. CI. xxi. Ord, vii. 



Name. Aron (Gr.) probably from ar or aur, in Hebrew and various 

 old languages, denoting /re; on account of the fiery or acrid taste. 



1. A. w^acM/a^;^«?^ (Linn.) spotted leaved Arum. This plant has many 

 provincial names, Cuckoo-pint, Wake-robin, Lords and Ladies, Friar's 

 cowl and several others. Fn^l. Bot. t. 1298. Eeicli. Icoties, vii. 8. 



Locality. Woods and hedges. P. Fl. April, May. Area, \. %. 

 3. 4. 5. Recorded in all the Districts. Root tuberous, whitish. 

 Leaves all radical, broadly arrow-shaped, of a bright glossy green, 

 generally more or less spotted with black. Spatha ventricose below 

 and above, constricted in the middle, the margins convolute. Spadix 

 long, varying in colour from buff" to purple, naked and club-shaped 

 at top. Berries bright scarlet, remaining after the rest of the plant 

 has disappeared. In the Isle of Portland the common people dig up 

 the roots which they macerate and steep, and the powder so obtaioed 

 IS dried and sent to London,and sold under the name of Portland Sago. 



[Acorus Calamus, (Linn.) Sweet Flag, Enffl. Bot. t. 356, Reich 

 Icones X., 429, was found a few years since in the river at Chippen- 

 ham, by Miss Meredith. I cannot ascertain if this plant has been 

 recently observed.] 



ORDER. LEMNACEiE. (LINN.) 

 Lemna, (Linn.) Duckweed. 

 Linn. CI. xxi., Ord. ii. 

 Name. Altered from lens, a lentile, in allusion to the form of the 

 frond. 



1 L. trisulca, (Linn.) three-furrowed or ivy-leaved Duckweed. 

 Trimlcus from tres, (Lat.) three, and sulc^is a furrow. Engl. Bot. t. 

 926. Reich Icones, vii., 15. 



