CRASSULACE^. (ORPINE FAMILY.) 313 



2. PARIVASSIA, L. Grass of Parnassus. 



Calyx 5-parted, with short tube. Petals 5, spreading, marcescent. 

 Stamens 5, alternating with 5, scaly nectaries, which are generally fring- 

 ed. Ovary 1-celled, style almost 0, stigmas 3-4, nearly sessile. Capsule 

 1 -celled, 3-4 valved. Seeds like sawdust, inserted on parietal pla- 

 centae opposite the stigmas — Glabrous, perennial herbs ; flowers solitary 

 on long scapes. 



P. palustris, L. Grass of Parnassus. If Root-leaves petioled, 

 cordate. Stem-leaves or 1, sessile, ovate-clasping. Petals white, 

 ovate, with connivent nerves, twice as long as calyx-lobes ; nectaries 9- 

 13, glandular-ciliate — Summer — Wet ground ; Zeitun, and northward. 



3. RIBEIS, L. Currant. 



Calyx-tube ovoid, adnate to ovary, with a 4-5-fid, regular limb. 

 Petals 4-5, inserted on the throat, alternate with calyx-lobes. Stamens 

 4-5, opposite calyx-lobes. Ovary 1-celled, many-ovuled, placentaa 

 2, parietal, opposite. Styles 2, distinct or connate. Berry acid, 

 crowned by calyx-lobes. Seeds horizontal, somewhat angular, with 

 testa, gelatinous without, and crustaceous within — Unarmed or thorny 

 shrubs, with hermaphrodite or dioecious flowers. 



R. Orientale, Poir. If .5 to 1, dioecious, glandular-bristly, 

 viscid, bright green. Leaves reniform-orlDicular, plaited, 3-5-lobed, ob- 

 tusely dentate. Racemes erect, the pistillate flowers erect, shorter than 

 the staminate ; small calyx-lobes and petals greenish-yellow ; berry red, 

 setulose — May and June — Subalpine and alpine Lebanon and Anti- 

 lebanon. 



Order XXXVIII. €RASSUL.A€£iC:. (Orpine Family.) 



Succulent^ non-stipulate herhs, with perfect, symmetri- 

 cal flowers, the petals omcI ca^y els equalling the sepals in num- 

 her ( 3-20 ), and the stamens equal or double their number 

 (rarely more than double) — Calyx free, cleft or parted. 

 Petals free or united below. Stamens perigynous or hypogy- 

 nous, free or adherent to petals, inserted with them on the 

 calyx. Follicles membranous or coriaceous, 1-celled, free or 

 united below, with a hypogynous scale at base ; placenta on 

 ventral suture ; ovules numerous or solitary, seeds albumi- 

 nous. 



1. TILL-^A, Parts of flowers all 3-4. Capsules 2-seeded. 



2. UMBILICUS. Sepals 5 Corolla gamopetalous. Stamens 10. Capsules oo-seeded. 



3. SEDUM, Sepals 5-4. Petals 5 (or 4, or 6-7). Stamens 10 or 5. Capsules oo-seeded. 



4. TELMISSA. Parts of flower all 3-5. Capsules 1-seeded. 



1. TIL.L.iEA, L. TiLL^A. 



All the parts of the flower 3-4, free, the capsules 3-seeded, con- 

 stricted between the seeds — Minute, annual, glabrous herbs, with op- 

 posite leaves. 



43 



