82 HYPERICINEA. 
Order XXI. HYPERICINE. 
Hypericinee, Benth. et Hook. Gen. Plant. i. p. 168. . 
Herbs, shrubs, or rarely trees. About 200 species, belonging to eight genera, distri- 
buted over nearly all temperate and subtropical regions. 
1. ASCYRUM. 
Ascyrum, Linn. Gen. Plant. i. no. 903; Benth. et Hook. Gen. Plant. i. p. 165. 
Undershrubs. About half a dozen species, confined to the West Indies and North | 
and Central America. 
1. Ascyrum crux-andrex, Linn. Sp. Pl. p.1107; Plum. ed. Burm. t. 152. fig. 2. 
SovuTHERN States of Norta AMERicA, and some of the West Inp1an IsLanDs to—SoutH 
Mexico, Jalapa (Linden, 861; Galeotti), Ciudad Real, Chiapas (Linden). Hb. Kew. 
2. Ascyrum hypericoides, Linn. Sp. Pl. p. 1108; Plum. ed. Burm. t. 152. 
fig. 1. | 
SourH Mexico, in thickets near Jalapa, Cerro Colorado (Schiede & Deppe), oak-forests, 
Oaxaca, at 4000 to 5500 feet (Galeott:) —Brrmupas and Guiana (Grisebach). Hb. Kew. 
2. HYPERICUM. 
Hypericum, Linn. Gen. Plant. no. 902; Benth. et Hook. Gen. Plant. i. p. 165. 
Herbs or shrubs. Upwards of 150 species, widely dispersed in the northern tempe- 
rate regions, and numerous in the mountains within the tropics, rare in southern tem- 
perate countries. A thorough revision of the species would probably reduce the 
number for Central America and Mexico by nearly half. | 
1. Hypericum canadense, Linn. Sp. Pl. p. 1104. 
Canapa to—Mexico, near Tantoyuca (Hrvendberg, 218). Hb. Kew. 
Choisy (in DC. Prodr. i. p. 550), says, “‘ Varietates hujus mihi videntur H. thesi- 
folium, pauciflorum, et moranense, H. B. K.” 
2. Hypericum collinum, Schl. et Ch. in Linnea, v. p. 219. 
SoutH Mexico, between San Miguel and La Joya (Schiede), near Jalapa, Cerro Colo- 
rado (Schiede & Deppe), Vera Cruz to Orizaba (Miller, 1737). Hb. Kew. 
3. Hypericum denticulatum, H.B. K. Nov. Gen. et Sp. v. p. 191, t. 458. 
Nort Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer); 
SourH Mzxico, near Guanaxuato (Humboldt & Bonpland). Ub. Kew. 
