24 8 EREMOLITHIA 



Eremolithia Jepson. Caryophyllaceae (i. 6). i California. 

 Eremoluma Baill. (Lucuma p.p. EP.}. Sapotaceae (i. 6). i Guiana. 

 Eremomastax Lindau (PaitloivillidmiaBH.}. Acanth. (iv. A), i W. Afr. 

 Eremopanax Baill. Araliaceae (i). 3 New Caledonia. 

 EremopMla K. Br. (Pholidia EP.}. Myoporaceae. 30 Austr. 

 Eremophyton Beguinot. Cruciferae (2). i N. Afr. 

 Eremosis Gleason ( Vernonia p.p.). Compositae (i). 15 Mex., C. Am. 

 Eremosparton Fisch. et Mey. Leguminosae (ill. 6). i W. and C. As. 

 Eremospatha G. Mann et H. Wendl. Palmaceae (ill. 2). 5 trop. Afr. 

 Eremostachys Bunge. Lahiatae (vi). 40 mid. and W. As. 

 Eremosyne Endl. Saxifragaceae (i). i S.W. Austr. 

 Eremothamnus O. Hoffm. Compositae (8). i S. Afr. 

 Eremurus Bieh. Liliaceae (ill). 20 alpine W. and Cent. As. Fl. 



protog. ; the petals crumple up before the essential organs are ripe. 



The 1. of E. aitrantiactis Baker are eaten in Afghanistan. 

 Eria Lindl. Orchidaceae (n. 15). 240 trop. As. Epiphytes; cult. 

 Eriachaenium Sch.-Bip. Compositae (9). i Tierra del Fuego. 

 Eriachne R. Br. Gramineae (y). 25 trop. As., Austr. 

 Eriadenia Miers. Apocynaceae (n. i). i trop. S. Am. 

 Eriander H. Winkler. Rutaceae (iv). i trop. Afr. 

 Eriandrostachys Baill. Sapindaceae (i). i Madagascar. 

 Eriantlius Michx. Gramineae (2). 25 trop. E. Ravennae Beauv. orn. 

 Eriastrum Wooton et Standley (Giiia p.p.)- Polemon. 2 New Mexico. 

 Eriaxis Rchh. f. (Galeola BH.}. Orchidaceae (n. 2). i New Caledonia. 

 Eribroma Pierre (Slerculia p.p. EP.}. Sterculiaceae. i trop. Afr. 

 Erica (Tourn.) L. Ericaceae (iv). 500 Eur. (esp. Medit.) and S. Afr. 



(see fam.). 5 in Brit.; the two common heaths, E. cinerea L. and 



E. Tetralix L., cover great areas of moor. In habit like Calluna. 



Fl. bell-shaped and pendulous, visited and fert. mainly by bees. 



Honey is secreted by the disc, and insects hanging on to the fl. and 



probing for it must shake the sta. and receive a shower of the loose 



powdery pollen from the pores in the tips of the anthers. In the 



wider mouthed sp. the anthers have horn-like projections at the hack, 



which ensure contact with the insect's proboscis. The stigma pro- 

 jects beyond the sta. so as to be touched first. 



Many S. Afr. sp. cult. E. scoparia L. is the heath of S. France, 



&c. (bruyere), several feet high; its rootstocks furnish 'briar' wood 



pipes. The roots of heaths possess endotropic mycorhiza. 

 Ericaceae ( EP., BH. excl. Vacciniaceae, incl. Pyrolaceae p.p., CUthraceae. 



Dicots. (Sympet. Ericales EP., BH.}. 



50 gen., 1 350 sp. Owing to their numbers 



and their social habit they form very 



char, parts of the veg. in many portions 



of the globe. Cosmop. except in deserts 



and in hot damp trop. regions. The 



Ericoideae are confined to Africa, Medit. 



and Europe, the two great masses of 



them being however separated by the 



Sahara, though sp. of Erica, &c. occur 



in each (see Drude in Nat. Pfl. or 



Pflanzengeog. for full discussion of the 



