EXOGENS. 77 



Archipelago. 2. Myrsine. Shrubs or small trees, usually evergreen ; 

 fls. 9 § (J*, ? c?i small, clustered. Many spec, both worlds. 



Ord. 59. Primulaceae. — Like last; but Herbs with woody or 

 tuberous rhiz. Fr. a boll or pyxidium. Pis. g , usually showy ; um- 

 belled, racemed, or sol. 30 gen., 250 spec. ; temp, or cold regions, 

 N. hemisphere. 4 Tribes. Tribe 1. Ova. half-adh. Only gen. 

 Siimolus. 5 staminodes. Fls. white, racemed. Marsh plants, 

 branching ; Ivs. alt. S. Valerdndi, both worlds. Tribe 2. Aquatic. 

 Only gen. Hottonia. Lvs. rad., pectinate, submerged; tufted; 

 scape sol., long, terminating in a pyramid of white or purple fls. H. 

 inflata, Feathebfoil. Swamps, Mass. to Pla. and La. H. palus- 

 tris, Water Violet, beautiful ; fls. lilac and white ; ditches, pools. 

 Eur. Tribe 3. Pyxidium. 1. Anagallis, Pimpernel. Qi %■ 

 Dwarf, trailing, lvs. opp. ; fls. showy, axil. A. arvensis, fls. red ; A. 

 Intifblia, fls. blue. N. Eur. A. colllna, fls. larger, red. Barbary. 

 Tribe 4. Boll, opening at top. Stem, with opp. lvs. ; orstemless, lvs. 

 from rhiz. or corm. 1. Lysimachia. Fls. yellow. Sev. spec, both 

 worlds. L. Nummuldria, Moneywort ; stems trailing ; lvs. penny- 

 shaped. Eur. L. cilidta, % ; erect, 2°-3° high ; lvs. cordate ; fls. 

 large. Can., U. S. 2. Trient^lis. St. low ; lvs. and fls. at top. y. 

 hmericdna ; fls. star-like, 7-merous, pedicelled. Woods, N. 3. Cyc- 

 lamen. Lvs. rad., from a corm; round, showy; fls. 5-merous, nod- 

 ding, lobes reflexed. Few spec Medit. States. C. europaeian. fls. 

 long-peduncled. Fig. 245. 4. Dodecatheon Me.ddia, American 

 Cyclamen. Similar; but lvs. spatulate, rad. from a rhiz.; scape 

 &-2° high, with an umbel of 12 or more sleiider-pedicelled, nodding, 

 pink or white fls. 6. Primula. Ehiz., lvs., and .infl. of last; but 

 fl. lobes not reflexed; fls. usually yellow. Many spec. Old World. 

 P. Auricula, Auricula ; P. vulgaris, P. scotica. Primrose ; P. veris, 

 Cowslip ; P. eldtior, OxLtp ; Fig. 5, 1 ; Fig 189, D. Eur. 



Ord. 60. Plumbaginacese. — Close to Primulaceae ; but some- 

 times Shrubs; ova. 1-celled, 1-ovuled ; ov. suspended from a long 

 funiculus erect from bottom of cell. Fls. g , 5-merous, calyx showy ; 

 on scapes, in unilateral spikes, panicles, or hds. 11 gen., 250 spec. 

 Sea-shores, temp, regions. 2 Tribes. Tribe 1. Utricle or pyxidium. 

 1. Acantholimon, low, juniper-leaved, spiny herbs, on rocks ; fls. 

 pink, calyx white. 40 spec, showy; Levant. 2. Statice. Herbs; 

 broad-leaved ; scape branching ; pedicles often alate. Many orna- 

 mental spec. ; fls. lavender, white, pink, red. S. Eur., Canaries, Cent. 

 Asia. S. LAmonium, Sea-Latender. l°-2° high, fls. lavender 

 color. Newfoundland to S. Car. 3. Armaria, Thrift. Evergreen 

 tufted herbs ; lvs. linear ; fls. pink, purple, white, in hds. Sev. spec. 

 Eur. A. vulgaris, fls. pink. Ova., Fig. 195, D. Tribe 2. Boll; 

 dehisc. apical. 1. Plumbago, Leadwort. Herbs or shrubs ; fls. 

 spiked; rts. acrid. Sev. spec. P. cnpensis, shrub, scrambling; fls. 

 lead-blue. S. Af. P. coccinea, fls. red. E. Ind. P. cerulea, fl. blue! 

 Chili. 



Ord. 61. Plantaginacese.* — Fls. g , 9 d^i cP ! usually 4-merous ; 

 spiked. Herbs, Q,'^. 3 gen. 1. Bougueria. Small, Q|.; lvs. white, 

 linear, tufted from a fleshy rhiz. ; fls. $ g (^, in common peduncled 

 hds. ; nut 1-seeded, bony. Peru. 2. Littor611a Small, Q|., lvs. Jinear, 

 fleshy, rad., tufted from a rhiz. ; fls. J5 ; 9 sessile in the leaf-axils; 

 (^ on scapes 2'-3' high ; nut as in last. Lake-shores, Eng. and Scot- 



