GERANIACEJB. 63 



date, acuminate, toothed and angular ; nerves beneath pubescent ; racemes 

 dichotomous, few-flowered. Cissus Ampelopsis Pers. Vitis indivisa Wittd. 

 Banks of streams. Penn. to Car. W. to Ark. June, July. T2. Leaves cor- 

 date, often straight at base as if truncate. Panicles opposite the leaves. Berries 

 pale red. Heart-leaved Ampelopsis. 



2. A. quinquefolia Mich. : stem climbing and rooting ; leaves digitate, 

 by fives, on long petioles, glabrous ; leafets connected at base, lanceolate, 

 acuminate, dentate towards the apex ; racemes somewhat dichotomously 

 cymose. A. hederacea D. C. Cissus hederacca Pursh. Hedera quinquefolia 

 Linn. 



var. hirsuta Torr. fy Gr. : leaves pubescent on both sides ; leafets ovate. 

 A. hirsuta Muhl. Cissus hederacea. var. hirsuta Pursh. 



Woods. Can. to Geor. W. to Ark. Var. hirsuta, Alleghany Mountains. Pursh. 

 June, July. 17. Stem climbing. Flowers small, yellowish-green. .Berries dark 

 blue or nearly black. Virginian Creeper. 



2. VITIS. Linn, Vine. 



(An ancient Latin name; the derivation of which is unknown.) 

 Calyx somewhat 4 5-toothed. Petals 4 5, cohering at their 

 apex, deciduous. Stamens 5. Style none. Berry 2-celled, 

 1 4-seeded ; cells and seeds often abortive. 



1. V. Labrusca Linn. : leaves very large, broad-cordate, sub^S-lobed, 

 acutely toothed, glabrous above, and with the peduncles grayish-tomentose 

 beneath ; racemes small, panicled ; berries large. 



Woods. Can. to Flor. June, July. Tj. Stem climbing to a great height. 

 Flowers greenish. Berries dark purple, sometimes greenish-white. It under- 

 goes great changes by cultivation. Fox Grape. 



2. V. (sstivalis Mich. : stem long and slender ; leaves broad-cordate, 

 3 5-lobed, younger ones ferruginous-tomentose beneath, when old nearly 

 smooth ; sinuses rounded ; racemes opposite the leaves, rather crowded, 

 oblong ; berries small. V. intermedia Muhl. 



Woods and river banks. N. Y. to Flor. W. to Miss. June. T?. Berries 

 deep blue, almost black. Summer Grape. 



3. V. vulpina Linn. : leaves cordate, abruptly acuminate, somewhat 

 equally and rather coarsely toothed, smooth above ; racemes loose, many- 

 flowered ; berries small. V. cordifolia Mich. Pursh. 



River banks. Can. to Flor. June. T^. Serries amber-colored, nearly black 

 when ripe, and have a tart taste. Winter Grape. Frost Grapr. 



4. V. riparia Mich. : leaves cordate, unequally and incisely toothed ; 

 shortly 3-lobed, pubescent on the margin, nerves and petiole : racemes 

 loose ; berries small. V. odwatissima Donn. 



Gravelly bunks. Can. to Virg. W. to Ark. May July. ?,. Stem long. 

 Leaves ineisely toothed, by which it may be distinguished from the preceding. 

 Flowers sweet-scented. Berries dark purple or amber color, when ripe. 



Sweet-scented Grape. 



ORDER XXVIII. GERANIACEJS. CRANE'S-BILLS. 



Sepals 5, persistent, more or less unequal, with an imbricated 

 aestivation. Petals 5, (or by abortion 4, rarely none,) unguicu- 



