HYD 



294 



HTM 



creased by divisions. Synonyme: 1, H. Mr- 



sAta. 



spicata 1 . . Green . 7, 8. Her. P. % India' . 1810 



americana, asiritica, bonariensis, nepale'nsis, 

 nutans, pednncularis, plebeia, prolifera, 

 rahunculoides, repanda, sibthorpioldes, tri- 

 16ba, umbellate, vill&sa, vulgaris. 



Hydrodictyon, Kunth. From hydor, water, 

 and dictyon, a net ; reticulate structure of the 

 plants. Linn. 24, Or. 7, Nat. Or. Confervacece. 

 A curious aquatic production, resembling a net 

 — utriculatum. 



Hydroglossum. See Lygbdium. 



Hydrolapathum. See Rumex Hydrolapathum. 



Hydrolea, Linn. From hydor, water, and 

 elaia, oil ; alluding to the situation and oily 

 nature of the plant. Linn. 5, Or. 2, Nat. Or. 

 Hydrolea.ce.es. Rather handsome plants when 

 in flower, succeeding well in loam and peat ; 

 and cuttings will root in sand, under a glass, 

 in heat. Synonyme: 1, caroliniana, 

 azurea . . . Blue . . 7, S. Her. P. 1 Mexico . 

 quadrivaTris 1 Pa. blue 7, S. Her P. 1 Carolina 1S24 

 spindsa . . . Blue . . 6, S. Ev. S. 1 S. Amer. 1791 



Hydromestus, Scheidw. From hydor, water, 

 and mews, half. Linn* 14, Or. 2, Nat. Or. 

 Acanthaccoe. A small Mexican bush, with 

 flowers like Justlcia. For culture, &c, see 

 Justicia. 

 maoulatus . Yellow . 5, S. Bv. S. 1 Mexico . 1842 



HydropiSltis, Michaux. From hydor, water, 

 and pelte, a buckler ; the plant grows in water, 

 and the leaves are like a buckler. Linn. 13, 

 Or. 6, Nat. Or. Nympheeacece. This very 

 pretty plant is seldom to be met with in our 

 gardens, it being very difficult to grow ; it 

 requires to be kept in a cistern or pond of 

 water, and may be increased by offsets. Syno- 

 nyme: 1, Brasinia peltata. 

 purpurea 1 . Red . . 7, P. Aq. P. i N. Amer. 1798 



Hydr6phora, Tode. Derived from hydor, 

 water, and phono, to bear ; in allusion to the 

 watery peridiolum. Linn.. 24, Or. 9, Nat. Or. 

 Mucoracece. Found on rats' dung — murlna. 

 See Mucor. 



HydrophyllAcb^e, or Hydrophyls. Trees 

 and herbaceous plants, principally found in 

 America. Some are cultivated in our gardens 

 for the sake of their gay flowers. 



Hydrophyllum, Linn. From hydor, water, 

 and phyllon, a leaf. Linn. 5, Or. 1, Nat. Or. 

 Hydrophylldceas. Dwarf, neat-foliaged plants, 

 inhabiting the marshes of North America ; any 

 rich soil suits them in a moist situation ; and 

 they may be increased by suckers. Synonyme : 

 1, Nemdphila paniculdta. See Nembphila and 

 Phacelia. 



appendiculatuml Blue 5, H. Her. P. i N. Amer. 1812 

 canadense . . . White 6, H. Her. P. £ Canada . 1759 

 virglnicum . . Blue 6, H. Her. P. J N. Amer. 1739 



Hydropifer. See El&tine Hydrbpiper and Poly- 

 gonum Hydropiper. 



Hydropyrdm, Link. From hydor, water, and 

 pyren, a kernel ; seeds fit for food. Linn. 21, 

 Or. 6, Nat. Or. Graminacece. See Ziz- 

 itnia. 



Hydrot^snia, Lindley. The petals have a tri- 

 angular glandular bar at their base, which 

 points upwards and secretes honey ; whence 

 the name. Linn. 3, Or. 1, Nat. Or. Iridacece. 

 A curious genus, found in mountain pastures, 

 near the Real del Monte mines in Mexico. The 

 plant looks like a Tigridia, and bears flowers 

 resembling Fritillaria pyrenaica, only smaller. 

 For culture, &c, see Tigridia. Synonyme: 1, 

 Tigridia liUea. 



lobatal . . Yel. pur. . 5, G. Bl. P. 1£ Lima . 1843 

 Meleagris . Yel. pur. . 7, H. Bl. P. H Mexico 1837 



Hygr(5crocis, Agardh. From hygros, moist, 

 and krokis, a little tuft. Linn. 24, Or. 7, Nat. 

 Or. Confervacece. These plants are only found 

 in chemical solutions of vegetable matter, such 

 as ink, rose water, &c. — atrambiti, bartftica, 

 pdllida, Rdsce, sangitinea, typhloderma, vlni. 



Hygrometrical, indicating the presence of 

 moisture. 



Hygrophila, R. Brown. From hygros, moist, 

 and phileo, to love ; alluding to the habitat of 

 the plant. Linn. 14, Or. 2, Nat. Or. Acan- 

 thcuxa. A pretty genus, growing freely in a 

 rich light soil ; and young cuttings root freely 

 in the same kind of soil, under a glass, in heat. 

 Synonymes: 1, Ruillia longifblia; 2, R. obo- 

 vata; 3, R. ringens; 4, R. salicifblia. See 

 Marcli&ntia. 



longif&lia 1 . Purple . 6, S. Ev. S. \ E. Ind. 1821 

 obovata 2 . . Purple . 7, S. A, J E. Ind. 1820 

 ringens 8 . . Purple . 7, S. Ev. Tr. \ E. Ind. 1820 

 salicifdlia i . Violet . 6, S. Ev. S. j E. Ind. 1822 



Hymen A a, Linn. From Hymen, god of mar- 

 riage ; in reference to the two leaflets. Linn. 

 10, Or. 1, Nat. Or. Fabacem. The species of 

 locust-tree are highly ornamental ; they de- 

 light to grow in loam and peat, and cut- 

 tings will root in sand, under a glass, in 

 heat. Synonyme: 1, Trachylobium Marti- 

 Anwn. 



Candolleana . White . 4, S. Ev. T. 25 Acapulco 1851 

 Courbaril . Yel. pur. 5, S. Ev. T. 20 W. Ind. 1688 

 verrucbsa 1 . Yel. pur. 5, S. Ev. T. 20 Madagas. 1808 



Hymen anther A, R. Brown. From hymen, a 

 membrane, and anfhera, ' an anther ; the ter- 

 mination of the anthers. Linn. 5, Or. 1, Nat. 

 Or. Polygalaceae. An ornamental shrub, about 

 six feet high ; it grows freely in peat and loam, 

 and cuttings root in sand, under a glass, in 

 heat, 

 dentata . . Yellow . 5, G. Ev. S. 6 1ST. Holl. . 1824 



Hymenella, Pries. From hymen, a membrane ; 

 the plants are scaly. Linn. 24, Or. 9, Nat. 

 Or. Mucoracece. Small productions, found on 

 nettle stems — vulgaris. 



HymenocIllis., Herbert, Linn. 6, Or. 1, Nat. 

 Or. Amaryllidaceas. A genus of Amarylli- 

 daceous plants, requiring similar treatment to 

 Amaryllis. The seeds of this genus are apt to 

 burst the capsule, and become fully exposed, 

 in their progress to maturity, and, in some 

 cases, even before the flowers are quite faded, 

 the cell of the ovary is split. Synonymes: 1, 

 Pancratium mexicdnum ; 2, P. caribo^um, P. 

 declinatum; 3, Hymenocdllis patens ; i, Ism&ne 



