4. C. apiifòlia, Michx. Softly pubescent when young; _leaves roundish_, with a broad truncate or slightly heart-shaped base, _pinnately 5--7-cleft_, the crowded divisions cut-lobed and sharply serrate; petioles slender; calyx-lobes glandular-toothed, slender.--S. Va. to Fla., west to Mo. and Tex. [+][+][+] _Fruit large (½--1´ long), red; flowers large; styles and stones even in the same species 1--3 (when the fruit is ovoid or pear-shaped) or 4--5 (in globular fruit); stipules, calyx-teeth, bracts, etc., often beset with glands; shrubs or low trees._ [Species as characterized by Prof. C. S. SARGENT.] 5. C. coccínea, L. Branches reddish; spines stout, chestnut-brown; villous-pubescent on the shoots, glandular peduncles, and calyx; leaves on slender petioles, thin, pubescent beneath or often glabrous, round-ovate, cuneate or subcordate at base, acutely glandular-toothed, sometimes cut-lobed; flowers ½´ broad; fruit coral-red, globose or obovate, ½´ broad.--Newf. to Minn. and southward.--Var. MACRACÁNTHA, Dudley; spines longer; leaves thicker, cuneate at base, on stout petioles, often deeply incised; cymes broader; flowers and fruit rather larger.--From the St. Lawrence and E. Mass. to Minn. Var. móllis, Torr. & Gray. Shoots densely pubescent; leaves large, slender-petioled, cuneate, truncate or cordate at base, usually with acute narrow lobes, often subscabrous above, more or less densely pubescent beneath; flowers 1´ broad, in broad cymes; fruit bright scarlet with a light bloom, 1´ broad. (C. tomentosa, var. mollis, _Gray_. C. subvillosa, _Schrad._)--E. Mass, to Mo. and Tex. Sometimes 20--30° high, blooming two weeks before the type. 6. C. tomentòsa, L. Branches gray, rarely with stout gray spines; shoots, peduncles, and calyx villous-pubescent; glands none; leaves large, pale, prominently veined, densely pubescent beneath, ovate or ovate-oblong, sharply serrate, usually incisely lobed, contracted into a margined petiole; flowers small, ill-scented; fruit dull red, obovate, rarely globose (½´ broad), upright.--Western N. Y. to Mich., Mo., and Ga. In flower 2--3 weeks after n. 3. 7. C. punctàta, Jacq. Branches horizontal; glands none; leaves smaller, mostly wedge-obovate, attenuate and entire below, unequally toothed above, rarely lobed, villous-pubescent becoming smooth but dull, the many veins more impressed, prominent beneath; fruit globose (1´ broad), red or bright yellow. (C. tomentosa, var. punctata, _Gray_.)--Quebec to Ont. and south to Ga. 8. C. Crus-gálli, L. (COCKSPUR THORN.) Branches horizontal, with slender thorns often 4´ long; _glabrous; leaves thick_, dark green, _shining above, wedge-obovate and oblanceolate_, tapering into a very short petiole, serrate above the middle; fruit globular, dull red ({1/3}´ broad).--Thickets, common. [*][*] _Corymbs simple, few- (1--6-) flowered; calyx, bracts, etc., glandular._