314 CKABSULACE^. (ORPINE FAMILY.) 



T. inn8CO§a, L. .02 to .03, stems simple or sparingly branch- 

 ed, flowering from base. Leaves oblong-lanceolate, mucronate, connate 

 at base. Flowers axillary, sessile ; calyx-lobes lanceolate, mucronate — 

 March and April — Rocks and damp walls ; along coast, and hill coun- 

 try to 1000 m. 



Var. tricbopoda, Post. Flowers with pedicels, at length as 

 long as they. {T. trichopoda^ Fenzl.) 



2. UMBILICUS, D.C. Umbilicus. 



Calyx 5-parted. Corolla tubular, campanulate, or urn-shaped, more 

 or less deeply 5-cleft. Stamens 10, inserted on tube of corolla. Carpels 

 5, many-seeded. Perennial or annual herbs, with various habit. 



* Root-leaves jpetioled, not imbricated. Floicers spiked. 



t Hoot-leaves reniform-cordate or siib-peltate. Flowers ascending. 



1. U. erectu§, D.C. 2f .4to.8. Stem-leaves minute, sub-sessile, 

 ovate, acutely dentate. Flowers ascending, forming a simple or 

 branched spike, .3 to .4 long ; bracts linear-lanceolate, longer than 

 pedicel ; corolla yellow, .012 long, obconical-tubular, 4-5 times as long 

 as calyx, cleft to middle into lanceolate, acuminate lobes — July — 

 Shady rocks ; lower and middle Lebanon and Hermon, and northward. 



1 1 Root-leaves peltate, repand-crenate. Flowers horizontal or pendulous. 



2. U. pendulinus, D.C. Pennywort. Navelwort. 2f .2 to .5. 

 Upper stem-leaves oblong-cuneate to oblong-linear and linear-subulate, 

 scattered. Flowers pendulous or horizontal, in a simple or branched 

 spike ; corolla yellowish-white, tubular, four times as long as calyx, 

 cleft for one-fourth its length into ovate, acute lobes — Spring — 

 Clefts of damp cliffs and walls ; common throughout. 



Var. g'enuiuus. Pedicels pendulous, longer than brn cts. 



Var. ititermediui. Pedicels pendulous, shorter than bracts or 

 0. (J7. intermedins, Boiss.) 



Var. horizontalis. Pedicels horizontal, shorter than bracts, or 

 0. (U. horizontalis, Guss.) 



* * Root-leaves sessile, imbricated as in the House LeeTc. 



5. U. Liibanoticus, Labill. % .1 to .3, glandular-pubescent. 

 Lower leaves spathulate, obtuse ; stem-leaves the same, or linear-oblong 

 to obovate-oblong. Panicle more or less dense thyrsoid, or loose 

 cymose ; pedicels shorter than calyx ; corolla pink to purple, cleft to 

 beyond middle into oblong-lanceolate, mucronate lobes — May to 

 August — Clefts of rocks ; common throughout. A variable species, 

 perhaps to be referred to U. Sempervivum, L. 



Var. genuinu§. Green. Root-leaves cuneate, tapering at base. 

 Corolla scarcely cleft to middle. 



Var. conniTen§. Corolla-lobes lanceolate, acute, at length 

 plicate, connivent. (U. globulariaefolius, Fenzl.) 



Var. Pe§talozzse. Glaucous. Rosette of root-leaves dense, 

 short, margin of leaves obsoletely dentate. {U. Pestalozzm, Boiss.) 



Var. liiieatus. Green. Root-leaves loosely resetted, lingulate- 

 spathulate, ciliate. Corolla cleft to one-third its length into triangular- 

 ovate lobes, striate. (U. lineatus, Boiss.) 



