QUERCUS-RESEDA. 131 



small, rough lo the taste. The various kinds of apples are but varieties of 

 the same species. 

 cydo'nia, (quince, w. J. ^.) flowers solitary; fruit tomentose ; leaves ovate, 

 entire. Ex. 



QUERCUS. 19—12. (AmentaceiB.) [From quero, to inquire, because the Druitis gave their 

 divinations from this tree.] 



al'ba, (white-oak, M. b.) leaves oblong, sinuate-pinnatifid, pubescent beneath ; 

 lobes obtuse, entire, narrowed at their bases, particularly on full gvr t;n 

 trees; fruit ped uncled; calyx somewhat bowl-form, tubercled, flattened at 

 the base; acorn ovate. - Fertile forests throughout the U. S. Timber firm 

 and durable, of great use in ship-building, and in many other arts. 10-100 

 feet high. 



tinclo'ria, (black-oak, M. h.) leaves obovate-oblong, slightly sinuate, pubes- 

 ce.Tt beneath; lobes oblong, obtuse, obscurely toothed, mucronate; cup flat; 

 acorn depressed, globose ; bark dark-coloured. 



ba?miste'ri, (scrub-oak,) leaves on long petioles ; wedge-obovate, 3-5-lobed, 

 entire on the margin, grayish-tomentose beneath ; lobes setaceously mucro- 

 nate ; cup ,sub-turhinate ; acorn sub-globose. Dry hills and barrens. 4-6 f. 



rii'bra, (red-oak,) leaves large, bright green ; sinuses rounded; cup of the 

 corolla shallow, base flat. 



coccin"ea, (scarlet-oak.) distinguished by the brilliant red of its leaves to- 

 wards the close of autumn ; acorn short, ovate, cup turbinate, scaly. The 

 wood is used for cooper's staves. 



R.Wl'NCULU.'^. 12—1.3. {Ranunculacea.) [Diminutive of rawa, a frog, because it is found 

 mostly in places where frogs abound.] 



A. Leaves divided. 



abor"tivus, (y. M. %..) glabrous; stem striate, naked below; radical leaves 

 heart-reniform, obtusely crenate ; cauline ones petioled, ternate, angled; 

 upper ones sessile ; branches about 3-flowered. 9-15 i. 



re'pens, (y. M. %..) pubescent ; leaves ternate, 3-cleft, gashed; creeping shoots 

 sent off in the summer; peduncles furrowed; calyx spreading. Damp. 



a'cris, (crowfoot, butter-cup, y. M. %.) hairs close-pressed, leaVes 3-parted, 

 many-cleft; upper ones linear; peduncles terete; calyx spreading. 1-2 f. 



scelera'tus, (celery-crowfoot, y. Au. %..) radical leaves petioled, 3-parted, the 

 segments lobed, cauline ones sessile, 3-lobed; carpels small, numerous, 

 forming an oblong head; stem 1 f., succulent, branched. 



kis'yidus, (hairy-crowfoot, w-y.) stem and petioles with stifl^, spreading hairs ; 

 calyx hairy; styles short. Wet ground. 



rccurva'lus^ edi\yx and corolla recurved ; carpels uncinate ; stem erect; peti- 

 oles covered with stiff, spreading hairs. Shady woods. 



fiuviati'lis, (river-crowfoot, w. y. M. %..) stem submersed; leaves dichoto- 

 mous, capillary. 



bulbo'sus, (y. M. %) very hirsute; leaves ternate, 3-cleft, gashed and toothed ; 

 stem erect, many-flowered ; petals obcordate, shorter than the reflexed se- 

 pals; root bulbous. 



B. Leaves undivided. 



lingua, (great spearwort, y. Au. %..) leaves long, lanceolate, serrate, semi- 

 amplexicaulis ; stem erect, smooth, many-flowered ; flowers large. Banks 

 of streams. 2-3 f. 



fiamviu'la, (spearwort, y. Ju.) leaves glabrous, lance-linear, lower ones peti- 

 oled ; stem decumbent, rooting; peduncles opposite the leaves; flowers 

 smaller than the preceding. Swamps. 12-18 i. 

 RAPHANUS. 14—2. {Cruciferm.) [Vroxa radios, root, phainesthai, to %roviqm€k\y.] 



sati'vus, (garden radish, w. J. {v>.) leaves lyrate ; silique terete, torosp 2-cell- 

 ed. There are several varieties of this species — one has a fusiform, ano- 

 ther a globose, another a black, root. Ex. 



raphanis'trum (wild radish, y. Au.) leaves simple, lyrate; pod join*ed, 1- 

 celled, striate, 3-8-seeded. 1-2 f. Stem hispid. Fields. 



RESEDA. 12-15. (Capparides.) [From resedo, to appease ; so called from its supposed virtnea 

 in allaying inllamniation.] 



odora'ta, (mignonette, w-y. Ju. ©.) leaves entire and 3-lobed; calyx equalling 

 the corolla. Ex. 

 32* 



