io ACANTHACEAE 



B. Imbricatae (cor. ascendingly imbr., or with no 

 upper lip) : Blepharis, Acanthus, Crossandra, 

 Aphelandra, Andrographis, Dicliptera, Fittonia, 

 Odontonema, Justicia, Beloperone. 



Acantbella Hook. f. Melastomaceae (i). i Orinoco valley. 

 Acantbo- (Gr. prefix), thorny; -carpous. spiny-fruited. 

 Acantbobotrya Eckl. et Zeyh. Lebeckia Thunb. p.p. (Legum.). 

 Acantbocardamum Thell. (Lepidium p.p. BH.}. Crucif. (2). i Persia. 

 Acanthocarpus Lehm. Liliaceae (in). 3 S.W. Austr. (June. BH.} 

 Acantbocepbalus Kar. et Kir. Compositae (13). 2 W. As. 

 Acantbocereus Britton et Rose (Cereus p.p.)- Cact. (in. i). i S. Am. 

 Acantbochiton Torr. Amarantaceae (2). i Texas, Arizona. 

 Acantbocladus Kl. (Polygala L. p.p. EP.}. Polygalaceae. 3 S. Am. 

 Acantbococos Barb. Rodr. (Cocos L. p.p.). Palmae (iv. 2). i Paraguay. 

 Acantbodium Uelile = Blepharis Juss. (Acanth.). 

 Acantbolepis Less. Compositae (11). r W. As. 

 Acantbolimon Boiss. Plumbaginaceae. 80 E. Meclit., desert pi. 

 Acanthomintba A. Gray. Labiatae (vi). 2 Calif. 

 Acantbonema Hook. f. Gesneriaceae (i). i W. Afr. 

 Acantbonycbia Rohrb. (Pentacaena Bartl.). Caryophyll. (i. 4). 5 Pac. Am. 

 Acantbopale C. B. Clarke. Acanth. (iv. A). 7 trop. Afr. (Malaya?). 

 Acantbopanax Miq. Araliaceae. 25 Ind. , Chi., Japan. 

 Acantbopbippium Blume. Orchidaceae (n. 9). 7 Indomal. The 



axial outgrowth from the base of the column, common in O., is here 



very great and bends first downwards, then up, removing the insertion 



of the lateral sepals and labellum to a distance from the column. 

 Acantbopboenix H. Wendl. Palmae (iv. t). 3 Mascarenes. 

 Acantbopbyllum C. A. Mey. Caryophyllaceae (n. 2). 25 W. As., 



Siberia. Mostly desert xerophytes with prickly leaves. 

 Acantbopsis Harv. Acanthaceae (iv. B). 78. Afr. 

 Acantborbiza H. Wendl. Palmae (i. 2). 4 trop. Am. The adv. roots 



from the lowest nodes grow normally downwards, but those from the 



nodes above develope into thorny branches. 



Acantboscypbus Small (Oxytheca Nutt. p.p.). Polygon, (i. i). i N. Am. 

 Acantbosicyos Welw. Cucurbitaceae (3). i S.W. Afr., A. horrida 



Welw., the Narras, a remarkable plant growing on sand dunes (cf. 



Welwitschia). The thick root is very long (up to 40 ft.). Above 

 > ground is a thorny shrub, with long tendrils; the thorns are modified 



twigs. (See Welwitsch, Trans. Linn. Soc. 27, 1869.) 

 Acantbospermum Schrank. Compositae (5). 5 trop. Am., Galapagos. 

 Acantbospbaera Warb. Moraceae (il). i Amazon valley. 

 Acantbostacbys Link, Klotzsch, et Otto (Ananas Tourn. p.p.). 



Bromeliaceae (4). i (A. strobilacea L. K. et O.) Brazil. 

 Acantbosyris Griseb. Santalaceae. 3 temp. S. Am. Furniture wood. 

 Acanthotbamnus T. S. Brandegee. Celastraceae. i Mex. 

 Acantbotreculia Engl. Moraceae (n). i Cameroons. 

 Acantbura Lindau. Acanthaceae (iv. A), i Mattogrosso. 

 Acantbus Tourn. ex L. Acanthaceae (iv. B). 25 trop. and sub-trop., 



As., Afr., Eur., mostly xero. with thorny 1. (those of A. spinosus L. 



furnished, it is supposed, the pattern for the decoration of the capitals 



of Corinthian columns). A. ilicifolhis L. is part of the palaeotrop. 



