4 rOLTANDRIA. MONOGYNIA. 



Herbaceous, sufTruticose or shrubby plants; leaves op- 

 posite or rarely alternate, stipulate or naked; flowers most- 

 ly terminal, racemose or subpaniculate, generally yellow, 

 in a few species purple or white. 



Species. 1. H. canndenfie. 2. ramuVforxim. 3. corym- 

 bosum. 4. rosmarmifiornm. 5. caroUniannm. 



A genus of more than 80 species almost exclusively in- 

 digenous to the south of Europe, extending also into the 

 approximating parts of Africa. 



356. HUDSONIA. L. 



Calix inferior, unequally 5-parted, tubular and 

 colored, 2 of the segments obsolete. Petals 5? 

 (Stamina 15 to SO.) Capsule 1 -celled, 3-valved,. 

 1 to S-seeded. Seeds granulated. 



Natural Order Cisti. 



Low suffruticose, pubescent and often cespltose plants 

 with minute acerose alternate leaves more or less imbri- 

 cated and destitute of stipules; flowers yellow resem- 

 bling those of Cistusj subsessile or pedunculate; pedun- 

 cles 1-flowered, solitary and terminal or laterally aggre- 

 gated; calix more or less tubular, very unequally 5-part- 

 ed, 2 of tjie segments filiform and external attached to, 

 the others, the inner side coleured. — (Stamina irregularly 

 arranged, anthers roundish and small, 2-celled, opening 

 longitiidinally, destitute of awns, pores, or appendices. 

 Style about the length of the stamina, siiTple, stigma indis- 

 tinct. Germ about 3-seeded. Capsule smooth or pu- 

 bescent, oblong or obovate, coriaceous, 1-celled, 3-valved, 

 margins of the valves not inflected, the centre often part- 

 ly septiferous, each sut\u-eor ini})erfect septum 1-seeded. 

 Seeds pendulous from the sutures, each by an umbilical 

 filament, 1 or 2 mostly abortive; solitary seed, cylindric- 

 ovate, covered with a pale g-ranulated integument: em- 

 bryon immersed in a corneous perisperm.) 



Species. 1. U. ericoides. Equally pubescent; stem, 

 erect; leaves filiform, and subulate, subimbricate; pedun- 

 cles laterally aggregated; calix cylindric, obtuse; capsule 

 always 1 -seeded, valves oblong, pubescent. (Figure 

 Willd- Hort. Berol. 15.) Hab. Abundant over the bar- 

 ren sandy woods of New-.lersey, Delaware, Maryland, 

 and Virginia, &.c. Obs. Stem erect and much branched. 

 Leaves about 2 lines long, subimbricated, but distinct 

 from the stem, almost uniformly slender, acicular, and as. 

 in the rest of the genus persistent, enduring 2 or 3 years. 

 Stamina about 15. Peduncles of the fi'uit from 5 to 8. 



