XYLOCALYX 693 



ferae, Cupressus, Cytisus, Etnpetraceae, Epacridaceae, Ericaceae, 

 Genista, Grevilka, Hakea, Juncus, Finns, Restio, Rhaninaceae, 

 Rubus, Russellia, Rutaceae (Diosma}, Spartiuni, Ulex, Veronica; 

 (8) phy\\oc\a.des,osszaea, Cartnichaelia, Colletia, Hibbertia, Muehlen- 

 beckia, Phyllanthus, Ruscus, Seinele, phyl lodes, Acacia, Oxalis, twisted 

 1., Eucalyptus, isobilateral 1., Iris, Nartheciutn, Phonniuin; (g) sleep- 

 movement of 1., Leguminosae ; ( 10) storage of water in aqueous tissue, 

 Aeschynanthus, Peperomia, or in whole or large part of the (succu- 

 lent) plant, Agave, Aizoaceae, Aloe, Anacampseros, Asclepiadaceae, 

 Caclaceae, Ceropcgia, Crassulaceae, Cynanclnun, Drymoglossum, 

 Echidnopsis, Euphorbia, Fonrcroya, Gasteria, Haworthia, Huernia, 

 Mesembryanthemnm, Salicornia, Sansevicria, Sarcocanlon, Sarco- 

 stenima, Sempervivicm, Senccio, Stapelia, and the peculiar cases of 

 Bonibacaccae and Bromeliaceae. Bud-protection is common ; the fls. 

 are usu. produced in the dry season, and the seeds often protected 

 against drought. Cf. also Acantholimon, Acanthophyllum, Acan- 

 thosicyos, Acanthus, Adcniiim, Adenostoma, Alliagi, Aiaryllidaceae, 

 Argyrolobinm, Artemisia, Astragalus, Banksia, Beschorneria, Bou- 

 cerosia, Calibanus, Chenopodiaceae, Cochlospernntm, Convolvulaceae, 

 Dasylirion, Espeletia, Ephedra, Geissoloma, Heliptenim, Jatropha, 

 Koeberlinia, Labiatae, Larrea, Lewisia, Lycopodium, Nolina, Opun- 

 tia, Othonna, Penaeaceae, Polygonum, Prosopis, Proteaceae, Reseda- 

 ceae, Saxifraga, Sec/urn, Selaginella, Stackhonsiaceae, Stylidiaceae, 

 Tamariscaceae, Testudinaria, Velloziaceae, Verbenactae, Welwitschia, 

 Zygophyllaceae. Cf. also Epiphytes, Halophytes, Tropophytes, and 

 see Schimper's Geography of Plants; Warming, Ecological Plant 

 Geography, &c. 



XerocMamys Baker. Chlaenaceae. i S. Madag. 



Xerochloa K. Br. Gramineae (5). 3 Austr. 



Xerocladia Harv. Leguminosae (i. 4). i temp. S. Afr. 



Xerococcus Oerst. Kubiaceae (i. 7). i Costa Rica. 



Xeronema Brongn. et Gris. Liliaceae (in), i New Caled. 



Xerophyllum Rich, in Michx. Liliaceae (i). 3 N. Am. 



Xerophyta Juss. = Vellozia Vand. (//.) = Barbacenia Vancl. p.p. 



Xeroplana Briq. Verbenaceae (2). i S. Afr. 



XerorcMs Schlechter. Orchidaceae (n. 7). i Manaos. 



Xerospermum Blume. Sapindaceae (i). 8 S.E. As., Malay Archip. 



Xerotes R. Br. (Lomandra EP.}. Juncaceae. 32 Austr. 



Xerotia Oliv. Caryophyllaceae (i. 3). r Arabia. 



Ximenesia Cav. = Verbesina L. p.p. (Comp. ). 



Ximenia Plum, ex L. Olacaceae. 5 trop. X. aniericana L. good wood. 



Xiphagrostis Coville (Saccharum p.p.). Gramineae (2). i Malaya, &c. 



Xiphidium Loefl. Haemodoraceae. 2 trop. Am., W.I. 



Xiphion Tourn. ex Mill. =Iris Tourn. (Irid.). 



Xolisma Rafin. (Andromeda p.p.). Ericaceae (II. i). 4 N. Am. 



Xylanche G. Beck. Orobanchaceae. i Himalaya. 



Xylem, the wood of the vascular bundles, of stem or root. 



Xylia Benth. Leguminosae (i. 5). 3 trop. As., Afr. Good timber. 



Xylinabaria Pierre. Apocynaceae (n. i). 2 Indochina. 



Xylobium Lindl. Orchidaceae (n. 12). 24 trop. Am. Cult. orn. fl. 



Xylocalyx Balf. f. Scrophulariaceae (in. 2). i Socotra. 



