328 HIPPOPHAE 



Hippophae L. Elaeagnaceae. i N. temp. |^r, H. rhainnoides L. 

 (sea buckthorn) Brit. In the 3 fl. the hracteoles form a hood over 

 the sta. in wet weather; when the air is drier, they separate at the 

 sides, and the pollen may be blown away. 



Hipposelimim Britton et Rose (Ligusticuni p.p.). Umb. (in. 5). i 

 S. Eur. 



Hippotis Ruiz et Pav. Rubiaceae (i. 7). 5 trop. S. Am. 



Hippoxylon Rafin. = Oroxylum Vent. (Bignon.). 



Hippuridaceae (EP. ; Haloragidaceae p.p. BH.}. Dicots. (Archichl. 

 Myrtiflorae). Only genus Hippuris, q.-v. 



Hippuris L. Hippuridaceae. i, H. vulgaris L. (mare's-tail) almost 

 cosmop. A water plant, with creeping rhiz. and erect shoots, whose 

 upper parts usu. project above the water. L. linear, in whorls, the 

 submerged ones longer and more flaccid than the aerial. Fl. sessile 

 in axil of 1., (or sometimes ? on some stocks; cf. Labiatae), con- 

 sisting of i epig. sta. and i cpl., with i pend. ov. and no integuments, 

 and a slight seam representing the K; wind fertilised. 



Hiptage Gaertn. Malpighiaceae (i). 10 Mauritius to China. 



Hiraea Jacq. (Mitscagma'Bert.). Malpighiaceae (i). 30 trop. Am. 



Hircinus (Lat.), with goaty smell. 



Hirpicium Cass. Compositae (10). 2 S. Afr. 



HirscMa Baker. Compositae (4). i S. Arabia. 



Hirsute, with long distinct hairs. 



Hirtella L. Rosaceae (vi). 40 S. and Cent. Am., i Madag. Fl. -|-, 

 axis deeply hollowed on one side. The sta. and cpl. are not in the 

 hollow, but on the other side of the surface of the axis. 



Hirtus (Lat.), hirsute. 



Hising-era Hellm. = Xylosma Forst. (Flac.). 



Hispid, with rough bristly hairs. 



Hispidella Barnad. ex Lam. Compositae (13). i Iberian Penins. 



Histiopteris (Agardh) J. Sm. Polypodiaceae. 2 warm, and ^. 



Hitchenia Wall. Zingiberaceae (i). 4 India. 



Hitoa Nadeaud. Rubiaceae (n. 4). i Society Is. 



Hladnikia Koch {Plenrospermum p.p. BH,}. Umbell. (in. 4). i 

 Adriatic. 



Hoarea Sweet= Pelargonium L'Herit. p.p. (Geran.). 



Hoary, grey with fine pubescence. 



Hobble-bush (Am.), Viburnum. 



Hochstetteria DC. (Dicoma p.p. EP.}. Compositae (12). i trop. Afr., 

 Arabia. 



Hockinia Gardn. Gentianaceae (i). i Rio de Janeiro. 



Hodgkinsonia F. Muell. Rubiaceae (n. 3). i S.E. Austr. 



Hodgsonia Hook. f. et Thorns. Cucurbitaceae (3). j Indomal. 



Hodgsoniola F. Muell. Liliaceae (in), i S.W. Austr. 



Hoeckia Engl. et Graebn. Valerianaceae. i China. 



Hoehnelia Schweinf. Compositae (i). i E. Afr. 



Hoelzelia Neck. = Swartzia Schreb. (Legum. ). 



Hoepfneria Vatke (Abrus p.p. EP.}. Leguminosae (in. 9). i trop. Afr. 



Hoffimannia Sw. Rubiaceae (i. 8). 24 trop. Am. 



Hoffmanniella Schlechter. Compositae. Nomen. i trop. Afr. 



Hoffmannseggia Cav. Leguminosae (n. 7). 20 S. Afr., S. Am. 



