274 Lvi. APocYNACEiE. [ Vinca 



Botanical Magazine, tab. 2968) is the seed of Tanghinia v.eneni- 

 fera. The root of the Oleander is poisonous, while the nearly 

 allied Taherncsmontana, or Hya-Hya of British Guiana, is the 

 milk-tree of that country, and yields a nutritive fluid like cream. 

 Uremia elastica affords Caoutchouc. Vinca minor is bitter and 



astrino^ent. 



curious. 



f 



/ ■" 





Ord. LY. APOCYI^ACE^ Jass. 



Calyx of 5 persistent ^divisions. Coi^olla regular, 5-lobed 

 deciduous ; cestivation twisted. Stamens 5, Anthers 2-celled' 

 Ovaries 2, 1— 2-celIed, many-seeded. Styles 2—1. Stio-ma \ 

 capitate, contracted in the middle (like an hour-glass), ^ Fruit 

 a follicle, capsule, driipe^ ovherry, AS'^er/albuminose. — Trees or 

 shrubs, o/fe?z milky ; leaves opposite, without stipules. — An Order 

 almost intermediate between GentianacecE and Riibiacece, contain- 

 ing acrid and powerful principles. Thefomous Tanghin Poison iC^^* 

 of Madagascar (see Botanical Miscella7iy, yoI. ill p. Ho, and {f*^i 







1. Vinca Liiin, Periwinkle. J 



II 



1. H 



Cal 5-partite. Cor. salver- shaped, the segments obhque. 

 Follicles 2, erect. Seeds naked (destitute of seed-down).— 

 Is^'ame : supposed from vincio, to bind, which the trailini? stems 

 do to those plants which grow in its neighbourhood. 



1. V. mmor L. (lesser P.) ; stem procumbent, leaves oblono-- 

 lanceolate their margins as well as the small lanceolate teeth of 

 the calyx glabrous. JE. B. t. 917. 



Hedges and banks in woods. Devon, Hants, and perhaps most of 



the southern counties. %. 4-6.— Wood of the shoots very tou^h; jl ftl, 



not so in the following species. ^ o n 



2 V. * mo/or L. (greater P.) ; stem suberect, leaves ovate- . Uw 



cordate then- margms as well as those of tlie elongated subulate 

 segments of the calyx ciliated—^. B. t. 514. ° - topf 



Woods and thickets. %. 4.5. — Twice the size of the former ia I ¥^ 



all its parts. Corolla usually purple in both, but varying in intensity. ' I i»«l« 

 The anthers, stigma, and fruit (a follich) of this genus are highK: ' 



.u I 



U 



pai 

 itia 



Ord. LYI. GENTIANACE.^ Jus.^. 



_ C«/?/^ divided, persistent. Corolla usually regular and per- 

 sistent, the hmb generally with an imbricative and twisted rarely 

 with an indupl.cate ^stivation, 4- mostly 5-, 6-, 8-, or lO-lobed. 

 .S-toze^. as many as lobes of the corolla. Ovanj 1-2-celled, , ™ 

 many-seeded %Z.. lor 2. Stigmas 1-2. Capsule (or h^ 

 Berry) generally 2-va ved ; the margins of the valves turned 5 



inwards and beanng the seeds, where there is one cell ; in the [c 



2.celled genera the margins meet in the axis. Albumen fleshy. J 4 



4 in; 



