344 GENTIANEZ. 
Order XC. GENTIANE. 
Gentianee, Benth. et Hook. Gen. Plant. ii. p. 799. 
Annual or perennial herbs, rarely shrubs. About 520 species, referred to fifty 
genera ; represented in nearly all parts of the world, but most abundant in temperate 
and mountainous regions. 
1. VOYRIA. 
Voyria, Aubl. Pl. Guian. i. p. 208; Benth. et Hook. Gen. Plant. ii. p. 806. 
About sixteen species of dwarf, slender, unbranched, leafless herbs, with one ex- 
ception in Tropical Africa, inhabiting Tropical America, chiefly Guiana and Brazil. 
1. Voyria mexicana, Griseb. Gen. et Sp. Gentian. p. 208; DC. Prodr. ix. 
p. 84. 
Leiphaimos parasitica, Cham. et Schl. in Linnea, vi. p. 387. 
SourH Mexico, Papantla (Schiede & Deppe), Mirador (Linden, 38).—Cusa; Jamaica. 
Hb. Kew. 
2. Voyria simplex, Griseb. in Seem. Bot. Voy. ‘Herald,’ p. 170. 
Panama, damp woods near Empire station (S. Hayes, 236), woods near mount Lancon 
(Seemann, 186).—-Cotompta. Hb. Kew. 
2. LEIANTHUS. 
Leianthus, Griseb. Gen. et Sp. Gentian. p. 196; Benth. et Hook. Gen. Plant. ii. p. 807. 
About twelve herbaceous and shrubby species, inhabiting Mexico, Central America, 
and the West Indies. 
1. Leianthus axillaris, Hemsley, n. sp. 
Herbaceus ?, foliis parvis subsessilibus, floribus axillaribus solitariis breviter pedunculatis, calycis 
lobis apteris, stigmate capitato obscure bilobo. 
Herba? glaberrima, caulibus vel ramis gracilibus. Folia subsessilia, crassiuscula, ovato-oblonga, 
circiter pollicaria, acutiuscula, venis immersis, obsoletis. Flores axillares, solitarii, suberecti, 
13-2 poll. longi; pedunculi 4-6 lineas longi; calycis lobi anguste lanceolati, acuminati, 
acutissimi, corolla tubo arcte appressi, dorso apteri; corolle tubus angustus, ad medium valde 
constrictus, lobis acuminatis, 3-4 lineas longis ; stamina inclusa; stigma capitatum, obscure 
bilobum. 
British Honpvras, without exact locality (F. P. Barlee). Hb. Kew. 
2. Leianthus brevidentatus, Hemsley, n. sp. 
Herbaceus, laxe trichotomo-ramosus, internodiis longissimis, floribus dense cymosis, calycis 
lobis apteris, corolla tubulosa dentibus vel lobis brevissimis latis, stigmate peltato. 
Herba glaberrima, erecta, ut videtur pluripedalis, laxe trichotomo-ramosa, ramis teretibus, graci- 
husculis, internodiis quam folia triplo quadruplove longioribus. Folia caulina sessilia, cras- 
siuscula, evenia, lanceolata, 2-21 poll. longa, acuminata, acutissima. Flores numerosissimi, 
in apicibus ramulorum dense trichotomo-cymosi, circiter 1 poll. longi, pedicellis brevissimis 3 
