HYDRANGEA-HVPOXIS. 105 



tn'DRANGEA. 10—2. (.Saxifragai.) 



vulga'ris, (hydrangea, w. Au. T-j.) leaves oblong-ovate, obtuse at the base, 

 acuminate, glabrous beneath ; cymes naked. 4 f. 



ladia'ta, leaves cordate, serrate, tomentose, and white beneath ; cymes ter- 

 minal, radiate ; flowers white, very ornamental. Shrub. 6 f. For the cul- 

 tivated hydrangea, see HORTENSIS. 



HYURASTIS. 12—13. (Ranunculacece-.) [From udor, water.] 



ca?wAen"sis, (yellow pucoon, w-r. Ap. %.) stem with two opposite leaves 

 above; leaves petioled, emarginate at the base, palmate, serrate, gashed; 

 peduncle terminal, solitary, 1-tlowered; roots yellow. Used by the Indiar.i 

 as a die. 

 HYDROCOTYLE. 5—2. (UmLeUifera.) [From Mc/or, water, /fo««fe, a cavity.] 



america'na, root tuberous ; stem filiform, with creeping suckers ; leaves reni- 

 form, slightly 7-lobed, crenate ; umbels 4-6-flowered, axillary ; petals green- 

 ish white. Wet places. 

 inter r up" ta, stem creeping at the joints ; leaves peltate ; flowers pinnate, white, 

 in small umbels, much shorter than the petioles. Marsh penny-wort. 

 HYDROLEA. 5—2. (Convolvuli.) [From wdor, water, etoia, oil.] 

 quadrival'vis, (b. Ju. %) spinose, pilose; leaves long-lanceolate; flowers 



nearly sessile, axillary. 

 coryvibo'sa, without spines, flowers terminal. 

 HYDROPELTIS. 12—13. (Ranunculacem.) [From wdor, water, pette, a shield.] 

 jmrpu'rea, (water-shield, p. Au. '4) leaves peltate, tinged with purple ; pe- 

 duncles solitary, 1-flowered. Whole plant covered with a viscid gelatine ; 

 stem long, floating. 



fiYDROPHYLLUM. 5—1. (Boraginecn.) [From udor, water, phyllum, a leaf.] 



virgini'cum, (water-leaf, w. J. %..) smoothish; leaves pinnatifid and pinnate; 



segments with deep serratures; clusters of flowers crowded; peduncles 



larger than the petioles. 18 i. 

 canadcn"se, somewhat hairy; leaves large, about 5-7-lobed; flowers blue 



and white, in clusters. 



HYOSCYAMUS. 5 — 1. {SolancB.) [From sus, a swine, and kuamos, abean, because the plant 

 is unsightly.] 



ni'ger, (hen-bane, y-p. Ju. ^.) leaves cla.sping ; sinuate ; flowers veiny, ses- 

 sile. Introduced. 



HYPERICUM. 12—5. {IlypericcB.) [From uper, over, eikon, evil spirits, because it was 

 thought to have power over such.] 



perfora'tuvi, (y. J. %.) erect, branching; stem 2-edged; leaves oblong, obtuse, 

 transparently punctate ; panicle terminal, brachiate, leafy ; petals twice as 

 long as the acute, lanceolate calyx. 3 styles. St. Jolyi's wort. 



virgin"icuvi, (p. Au. %..) flowers with 9-12-stamens, distinctly arranged in 3 

 parcels, and separated by nectaries ; 3 styles ; leaves oval, obtuse, clasping ; 

 stem compressed. 1-2 f. 



ascyro'ides, smooih; stem square, winged at the base; leaves sessile, acute ; 

 styles free, as long as the stamens ; flowers and leaves large ; capsules 

 nearly as large as nutmegs, yellow. River banks. 



puncta'lum, stem terete; leaves sub-clasping; flowers in dense corymbs; 

 styles 3, longer than the stamens. Whole plant dotted with black. 



ca7iad.en"se, erect, small, few-flowered, stem 4-sided, dichotomous above; 

 leaves sessile, linear ; capsules red. 9-19 i. 



kalmia'num, (laurel-leaved hypericum,) shrubby, very branching corymbs ter 

 minal. 3-4 f. Cultivated as ornamental. 



prolifi'cuvi, leaves more narrow than the preceding ; flowers smaller, numer 

 ous. Cultivated. 

 HYPOXIS. 6—1. (Narcissi.) 



erec"ta, (star-grass, y. Ju. 91.) pilose; scape 2-3-flowered; leaves lance-lin- 

 ear ; divisions of the corolla lance-oblong. Var. graminea, has longer and 

 narrower leaves ; more flowers, longer lance-liuear divisions to the corol- 

 la,iind altogether a more grassy appearance. 



