234 ECHfN- 



Echln- (Gr. pref.), spiny. 



Echinacanthus Nees. Acanthaceae (iv. A). 8 Himal., Java. 



Echinacea Moench. (Rudbeckia p.p.). Compositae (5). 2 N. Am. 



Echinantnus Cerv. (Tragus EP.}. Gramineae (3). None described. 



Echinaria Desf. Gramineae (10). i Medit. 



Echinocactus Link et Otto. Cactaceae (in. i). 250 Texas to Chili. 



Ribbed cacti (see fam.). 



Echinocarpus Blume (Sloanea p.p. EP.}. Tiliaceae. 6 E. As., Austr. 

 Ecbinocephalum Gardn. (Melanthera p.p.). Comp. (5). 3 Brazil. 

 Echlnocereus Engelm. (Cereus Haw. BH.}. Cactaceae (in. i). 50 Am. 

 Echinochlaenia Borner. (Carex p.p .). Cyper. (in). 3 Tasm., N.Z. 

 Echinochloa Beauv. = Panicum L. p.p. (Gramin.). 

 Echinocystis Torr. et Gray. Cucurbitaceae (4). 25 Am. Tuberous 



climbing herbs. E. lobata Torr. et Gray often cult. Its tendrils 



are very sensitive and nutate rapidly ; they become straight and erect 



as they come round towards the main axis, thus avoiding contact. 

 Echinodorus Rich. Alismaceae. 20 Am., Afr. 

 Echinolaena Desv. (Panicum p.p. EP.). Gramineae (5). 2 S. Am., 



Madag. 

 Echinopanax Decne. et Planch. (Fatsia BH.}. Araliaceae (i). i 



N. Am., Japan, E. horridus D. et P., an obstacle to travellers. 

 Echinopepon. Naud. (Echinocystis Torr. et Gray). Cucurb. (4). 15 



N. Am. 

 Echinophora Tourn. ex L. Umbelliferae (in. i). 8 Medit. One 



cpl. is aborted. The umbel has one ? fl. in the centre, surrounded 



by s fls. The spiny stalks of the latter enclose the fr. 

 Echlnopogon Beauv. Gramineae (8). i Austr., N.Z. 

 Echinops L. Compositae (n). 75 E. Eur., Afr., As. The spherical 



head is really cpd., formed of oo small i-fld. heads, each with its 



own invol. The fls. are largely visited by bees. 

 Echinopsilon Moq. =Chenolea Thunb. (j5//.). = Bassia All. p.p. 

 Echinopsis Zucc. (Cereus p.p.). Cactaceae (in. i). 25 S. Am. 

 Echinopterys A. Juss. Malpighiaceae (i, but forming a link between 



i and 2, as it has a flat torus), i Mexico. Mericarp spiny. 

 Echlnospermum Sw. (Lappula p.p. EP.}. Bnraginaceae (iv. 2). 50 



temp. E. Lappula Lehm. cult. The fls. change from white to red 



and blue (see fain.). Fr. hooked. 

 Echinostachys Brongn. (Aechmea p.p.). Bromel. (4). 6S.Am. Cult. 



orn. infl. 



Echinothamnus Engl. Passifloraceae. i S.W. Afr. 

 Echiochilon Desf. Boraginaceae (iv. 5). 2 N. Afr., Aden. 

 Echioglossum Blume (Cleisostoma BH.}. Orch. (n. 20). 3 Indomal. 

 Echioides (Tourn.). Desf. =Nonnea Medic. (Borag.). 

 Echirospermum Saldanha da Gama. Leguminosae. Nomen. 

 Echltes P. Br. Apocynaceae (n. i). 40 Am., W.I. 

 Echium Tourn. ex L. Boraginaceae (iv. 5). 30 Eur., Medit. E. 



vulgare'L. (viper's bugloss) Brit, (offic.). FL )-, protandr., gynodioec., 



bee -visited. 



Echyrospermum Schott. Leguminosae (inc. sed.). Nomen. 

 Ecklonea Steud. (Trianoptiles EP.}. Cyperaceae (n). 2 Austr., 



S. Afr. 



