MYRMECODTA 439 



Myracrodruon Allem. = Astronium Jacq. p.p. (Anacard.). 



Myrcsugenia Berg. (Myrtus p.p. BH.). Myrtaceae (i). 15 temp. 

 S. Am. 



Myrcia DC. Myrtaceae (i). 500 trop. S. Am., W.I. 



Myrcialeucas Roj. Myrtaceae (i). i Argentina. 



Myrciaria Berg. (Eugenia p.p. BH.}. Myrtaceae (i). 65 trop. S. Am., 

 W.I. 



Myriactis Less. Compositae (3). 3 Java to Persia. 



Myrialepis Becc. (Plectocomiopsis p.p"). Palm. (in. 2). i Perak. 



Myrianthemum Gilg. Melastomaceae (i). i trop. Afr. 



Myrianthus Beauv. Moraceae (in). 5 trop. Afr. 



Myriaspora DC. Melastomaceae (i). 2 trop. S.Am. 



Myrica L. Myricaceae. 40 ^ and Andes, esp. subtrop. M. Gale L. 

 (sweet gale or bog-myrtle) in Brit, in mountain bogs. Its 1. have 

 a pleasant resinous smell when rubbed or on hot days. Fls. in short 

 catkins, achlam. The J has usu. 2 bracteoles and 4 sta. (2 16); the 

 1 2 -4 bracteoles and (2) cpls. with one erect orthotr. ov. Nut, the 

 exocarp secreting wax. No endosp. M. cerifera L. (N. Am., wax- 

 myrtle, bay-berry) and others used as sources of wax ; the frs. are 

 boiled. 



Myricaceae (EP., BH.). Dicots. (Archichl. Myricales; Unisexuales 

 BH.). Only genus Myrica (q.v-)- 



Myricaria Desv. Tamaricaceae. to Scandinavia to China. 



Myriocarpa Benth. Urticaceae. 8 trop. Am. Fls. oo , in catkins. 



Myriocephalus Benth. Compositae (4). 8 temp. Austr. 



Myrioneuron R. Br. Rubiaceae (i. 7). 8 Assam to Borneo. 



Myriophyllum Ponted. ex L. Haloragidaceae. 2ocosmop.; 2 in Brit, 

 (water milfoil). Submerged water plants, with usu. whorled much- 

 divided L, borne on shoots that spring from the rhizome-like creeping 

 stems. Land forms occasionally produced in some. The infl. projects 

 above water; fls. wind-fertilised. Hibernation by winter-buds as in 

 Utricularia. 



Myriopteron Griff. Asclepiadaceae (i). i E. Indomal. 

 Myriostachya Hook. f. Gramineae (10). i Indomal. 

 Myripnois Bunge. Compositae (12). 2 N. China. 

 Myristica L. Myristicaceae. 80 palaeotrop. Trees with 2-ranked 

 exstip. evergr. 1. and dioec. reg. fls. Fr. a berry ; splits by both 

 sutures, disclosing a large seed the nutmeg with a curious branched 

 red aril the mace around it. The nutmeg of commerce is the seed 

 of M. fragrans Houtt. (M. moschata Thunb.), Moluccas. 

 Myristicaceae (EP., BH.}. Dicots. (Archichl. Ranales; Micrembryae 

 BH.}. 18 gen., 275 sp., trop., esp. As. Trees and shrubs with 

 simple evergr. 1. with oil cells, and racemes of fls., unisexual, reg., 

 usu. 3-merous. P (3), simple (cf. Monodora); A (3 18), extr.; G i, 

 with i basal anatr. ov. Fleshy fr. Aril. Endosp. ruminate. 

 Myrmechis Blume. Orchidaceae (n. 2). 3 Java to Japan. 

 Myrmecodia Jack. Rubiaceae (n. 5). 20 E. Indomal. Epiph. with 

 leafy stems. The base forms a large tuber, fastened to the support 

 by adv. roots, composed of a large mass of tissue, chiefly cork, pene- 

 trated by numerous communicating galleries and chambers, inhabited 

 by ants. These galleries are formed in a peculiar way ; after germ, the 



