PARONYCIIIEtE. 



131. 



the incurved extremity. L. oblougo-liiiciir, 

 attenuate. Stiji. membranous, lanceolate, as 

 long as L. Fl. 1-3. p. 6, 7. Beds of tor- 

 rents. Alps of Dau. Pyr. 



5. argentea. Stems prostrate, diffuse. Seg- 

 ments of Cal. with a short point below the in- 

 curved extremity. L. elliptic, attenuate. Fl. 

 capitate, immersed m acute, shining, scariose 

 bracts, p, 5, 6. Open dry. s. Fr. It. 



6. capitata. " Procumbent or ascending. 

 Segments of Cal. pointless. L. elUptic or 

 lanceolate, somewhat obtuse, ciliate. Heads 

 of Fl. hid among the broadly ovate, mucronate, 

 shining, scariose bracts, p. 6. Bri/ Jdlls. 

 Adriatic G."— Koch. s. Fr. ? 

 of Cal. acuminate. L. acute." — Beet, 



" Segments 



7. nivea. Decumbent. Segments of Cal. 

 pointless, lineari-lanceolate, obtuse, (acuminate, 

 Guss.) hispid, striate, unequal. Heads of Fl. 

 hid among the broadly ovate, acute, shining, 

 scariose bracts. L. lanceolate, acute, p. 4, 5. 

 Bri/ warm hills. Narb. Mont Ventous. Lig. 

 Sicily. 



8. serpyllifolia. Creeping, Segments 

 of Cal. pointless, oblong, obtuse, hirsute. Heads 

 of Fl. terminal, hid among the suborbicular 

 bracts. L. ovate, obtuse, thick, ciliate, other- 

 wise haiiiess. w. 6. Mountains. Pyr. Dau. 

 Italy. 



253, POLYCARPON. 

 1. tetraphyllum. Triandrous. Pet. emargi- 



nate. L. in foui's on stem, opposite on branches. 

 a. 8, 9. Walls and sandy, m. and s. Eai-. 



2. alsimifolmna. Pentandrous. Pet. nearly 

 entii-e, shorter than calyx. L. opposite, or in 

 fours, oval, somewhat ilcshy. Stip. and Bracts 

 ovate, a. 4, .5. Sandy .shores. Sic. Between 

 Cette and Narbonne. 



3. peploides. Pentandrous, Pet. quite 

 entire, as long as calyx. L. small, opposite, 

 sometimes in foui's, ovate or obovate, acute. 

 Stip. and Bracts lanceolate, p. 5, 6. Stony. 

 Sic. Between Perpignan and CoUioure. 



254. SCLERANTHUS. 



Seg. 



1. perennis. Cal. of Fr. closed, 

 ments obtuse, with a broad membranous mar- 

 gin, p. 5-9. Barren fields, occ. Not south 

 of Alps. 



2. annuus. Cal. of Fr. open. Segments 

 somewhat acute, with a narrow membranous 

 margin, as long as the tube. a. 7- Barren 

 fields. 



3. polyoarpus. Cal. of Fr. open. Seg- 

 ments acute, without a border, shorter than 

 the tube. a. 6, 7- Sandy, m. Fr. It. 



255. LCEFLINGIA. 



1. hispauica. Anthers 3. Style trifid. 

 Stem branched, prostrate, viscid. L. opposite, 

 subulate, mucronate, with a bristle on each 

 side of the base. a. 4, 5. Isl. of Ste. Lucie 

 near Narbonne. Rous. Sic. 



XLIII. CEASSULACE^. 



Sepals 3 to 20, more or less united at base, inferior. Petals as many, inserted on base of 

 calyx. Stamens equalling petals, or twice as many. Follicles as many as petals, l-ceUed, Seeds 

 on the inner sutui'c. L. fleshy, without stipules. 



mous. L. lineari-lanceolate. Fl.-stalk very 



256. TILL^A. 



1. luuscosa. Stems branched, decumbent 

 at base. Fl. axillary, sessile, mostly 3-cleft. 

 a. 5, 6. Sandy, occ. 



257. BULLIARDA. 



1. Vaillantii. Erect, dichotomous. L. 

 oblong, acute. Fl.-stalks exceeding L. a. 7, 8. 

 Moist, shady, sandy. Fontainebleau. Nuss- 

 dorf in Austr. It. 



2. aquatica. Erect, somewhat dichoto- 



short, or 0. a. 8, 9. 

 Wittenberg. Boh. 



Wet sandy. Elbe at 



258. UMBILICUS. 



1. pendulinus. Lower L. peltate, con- 

 cave. Fl. tubular, pendulous. Segments acute. 

 Bracts minute, entii'e. p. 6-8. Walls and 



rocks. 



2. horizontalis. Lowermost L. peltate, 

 concave ; upper lanceolate. Fl. erect, after- 

 wards, horizontal, ovoid. Segments acuminate. 



s2 



