298 LOASEiE. 



styles delicate, trifid to one-fourth, much longer thau the unilocular ovary j capsule globose, 

 exceeding the persistent bracteoles ; seeds pale, minutely scrobiculate, shortly and bluntly 

 cylindrical, slightly incurved -. caruncle decurrent by a short, wing-like appendage, as in Piri- 

 queta cistoides. — Hab. Trinidad !, Cr., at Piarco. 



4. PIRIQUETA, Aabl. 



Calyx 5-fid. Petals 5, sessile at the calyx-throat. Stamens 5, hypogynous ; anthers in- 

 serted above their base. Ovary sessile : styles 3, bipartite, with the filiform segments mul- 

 tifid-penicillate at the summit: placentas 3. Capsule 3-valved to the base, mediauicide -. 

 seeds scrobiculate. — Annual herbs; leaves exstipulate ; flowers in a terminal raceme or 

 corymb : pedicels jointed above the middle, ebracteolate. 



6. P. cistoides, Gr. Pilose (or glabrescent) ; leaves eglandular, lanceolate or lanceo- 

 late-linear, bluntish, remotely serrate or serrate-repand, usually tomentose with stellate down 

 beneath aud pilose ; raceme leafy, few-flowered : pedicel 2-3 times exceeded by the bract. — 

 SI. t. 127./. 7. — Turnera, L. P. jonidioides, Rich. — A variable plant, resembling a Heli- 

 anthemum by its yellow, delicate petals ; flowers 6'" diam. — Hab. Jamaica !, all coll., com- 

 mon on arid plains; Dominica !, Imr. ; Trinidad !, Cr. ; [Cuba and Panama ! to Brazil !]. 



LXXXI. HOMALINE.E. 



Stamens inserted into the calyx-throat, alternate to or fascicled alternately with the calyx- 

 segments, and ovary usually semi-inferior : other characters of Passiflorete. — Woody plants. 



1. HOMALIUM, Jacq. 



Calyx-tube turbinate -. limb 6-7 -partite. Petals 6-7, inserted into the calyx-throat. 

 Stamen-bundles opposite to the petals, alternating with as many glands. Ovary semi-infe- 

 rior : styles 3 : placentas 3. Capsule medianicide-3-valved at the top. — Leaves serrate or 

 subentire ; flowers in spiciform racemes. 



1. H. racemosum, Jacq. Leaves elliptical-oblong, papery, serrate, glabrous ; racemes 

 axillary, long: flowers shortly pedicellate; staminal bundles B(~" 4:")-androus. — Jacq. 

 Amer. Pict. t. 261. f. 43 : the flower ; Sw. Fl. t. 17 : analyt. — A tree or shrub ; leaves 

 5"-3" long ; flowers 8"' diam. : petals greenish-yellow, sessile. — Hab. Jamaica !, Macf., 

 Pd., March, in mountain woods ; Dominica !, Imr. ; [Cuba !, French islands !]. 



LXXXII. LOASE.E. 



Stamens mostly indetiuite, epigynous. Pistil paracarpous : ovary inferior, unilocular : 

 style 1. Fruit capsular, rarely baccate i placentas intervalvular : seeds albuminose. — Herbs, 

 mostly armed with stinging hairs ; leaves exstipulate. 



1. MENTZELIA, L. 



Calyx-tube cylindrical or clavate: limb 5 -partite. Petals 5. Stamens co, exterior often 

 dilated. Capsule 3-valved at the top. — Leaves alternate. 



1. M. aspera, L. Rough with glochidate and simple hairs; leaves petioled, hastate- 

 3-lobed or " pauduriform " {Linn.), unequally serrate ; petals oval, a little exserted ; stamens 

 20-30, half as long as the corolla, 5 exterior filaments spathulate ; capsule clavate-cylin- 

 drical, few-seeded. — A tall, annual weed; flowers yellow, small, 8" -10'" diam. — Hab. Ja- 

 maica {P. Br., Macf.), in dry savannahs near Kingston ; [Haiti ; Mexico 1 ; to Panama ! ; 

 Galapagos!]. 



