274 LXI. CACTACEA. OpunTI4. 
diam. Petioles downy. Flowers greenish-white. Fruit mostly covered with 
long prickles, brownish-purple, eatable. May, Jn. 
7. R. rotunpirouium. Michx. (R. triflorum. Willd.) Wild Gooseberry. 
St. without prickles; swbaxillary spines mostly solitary, short; /vs. round- 
ish, smooth, 3—5-lobed, incisely dentate; ped. smooth, 1—3-flowered ; cal. cyl- 
indrical, smooth; pet. spatulate, unguiculate; sta. exserted, smooth, much 
longer than the petals; s/y. hairy, exserted, deeply 2—3-cleft ; berries smooth.— 
In woods, N. H. to N. Car. and Mo. Shrub 3—4f high. Stems with a whit- 
ish bark. Leaves 1—2’ diam. mostly truncate at base, shining above. Pe- 
tioles ciliate, 1—3’ long. Petals white. Fruit purple, delicious, resembling 
the garden gooseberry. May. 
8. R. uacustre. Poir. Swamp Gooseberry. 
St. covered with prickles; swbaxillary spines several ; luvs. deeply 3—5-lobed, 
cordate at base, lobes deeply incised; rac. 5—8-flowered, pilose; cal. rotate ; 
berries small, hispid—In swamps, Northern States, and British Am. Shrub 
3—4f high. Stems reddish from the numerous prickles, which differ from the 
spines only in size. Leaves shining above, 13—23’ diam. Petioles ciliate, 
hispid, longer than the leaves. Flowers green. Fruit covered with long prickles, 
dark-purple, disagreeable. May.—The older stems are unarmed, save with a 
few spines. 
9. R. wirTELLUM. Michx. (R. triflorum. Bw. R.saxosum. Hook.) 
St. unarmed, rarely prickly; subaxillary spines short, solitary, or nearly 
so; lvs. roundish, cordate, 3—5-lobed, toothed, pubescent beneath; ped. short, 
1—2-flowered ; calyx tube smooth, campanulate; segments twice longer than 
the petals; sta. longer than either; sty. hairy, 2-cleft; fr. smooth.—In rocky 
woods, N. H. and Mass. to Wisconsin, N. to Hudson’s Bay. Leaves 9—18" 
diam., generally cleft half way to the middle. Flowers nodding, greenish. 
Fruit purple. May, Jn. 
10. R. Uva-crispa. (R. Grossularia. Willd. and 1st edit.) English or Gar- 
den Gooseberry.—St. prickly ; dvs. roundish, 3—5-lobed, hairy beneath, on short, 
hairy petioles; ped. hairy, 1-flowered; ca/. campanulate; sty. and ova. hairy ; 
fr. smooth or hairy, globose—Native in England, and long cultivated until 
there are several hundred varieties, with red, white, green and amber fruit, 
often weighing an ounce or more each. Apr. . 
Orver LXI. CACTACEA.—Inpian Fies. 
St. succulent and shrubby, usually angular or 2-edged. 
Lvs. almost always wanting, when present, fleshy, smooth and entire. 
Fis. sessile, usually showy and of short duration. | 
Cal.— § Sepals and petals numerous, often indefinite and confounded with each other, the sepals from 
Cor.— ? the surface, and the petals from the summit of ovary. 
Sta. indefinite. Fil. long and filiform. Anth. ovate, versatile. 
Ova. inferior, fleshy, 1-celled, with parietal placente. 
Sty. single, filiform, with several anthers in a star-like cluster. 
Fr. succulent, 1-celled, many-seeded. : 
Sds. without albumen, with thick, foliaceous cotyledons, or often with scarcely any. 
Genera 16, species about 800, all peculiarly American, no one having ever been found in any other 
quarter of the globe. They are chiefly confined within the tropics, only two or three species having been 
ae ag ke them. The prickly Pear (Opuntia vulgaris) is the only species found native as far north 
as New York. 
Conspectus of the Genera. 
yer cylindric. .. ») «/te) 4 Cerner. 2 
Desde net ge rose-colored, &c. ¢ Axis globose. : : . Melocactus. 3 
Flowers ?somewhat rotate, yellow.. .  . Pres ney | - Opuntia. 1 
1,OPUNTIA. Tourn. 
Opuntiana was a country near Phocis, where this was said to be naturalized. 
Sepals and petals numerous, adnate to the ovary, not produced 
into a tube above it; stamens 00, shorter than the petals ; style with 
numerous, thick, erect stigmas; berry umbilicate at apex, tubercu- 
late ; cotyledons semiterete.—Shrubby plants, with articulated branches, 
the joints usually broad and flattened, with fascicles of prickles regularly 
arranged wpon the surface. 
