308 ROSACEA. (ROSE FAMILY.) 



usually interrupted at base — March to June — Rocky places ; com- 

 mon everywhere. One of the "thorns that cracked under the pot." 

 Eccl. vii., 6. One of the Christ-thorns, of which crowns are made and 

 sold in memory of "the crown of thorns." It is so abundant as to 

 form, in many places, a prominent characteristic of the landscape. 

 A county in Autilebanon is named from it, Aqlim-el-Billan. It is exten- 

 sively used as fuel in limekilns and ovens. 



11. ROISA, L. Rose. Ward. 



Calyx-tube constricted at throat, by a glandular ring, lobes 5, 

 entire or pinnatifid. Petals 5, destitute of a nectary at base. Carpels 

 often comose on the side opposite to the style — Shrubs, with stipules 

 adnate to the petiole, and odd-pinnate leaves. 



1. R. lutea, Mill. 5 ^ *^ ^•^- Prickles unequal, some slender, 

 others stout. Leaflets elliptical, doubly serrate, appressed-hirtulous, 

 sparingly glandular below. Flowers solitary, or rarely 3-4 together. 

 CoToWa. yellow or light red; hip erect, globular, crowned by the persis- 

 tent, simple sepals — April — Hedges ; Amanus to Aintab, Marash, and 

 northward. 



R. sulphurea. Ait., is extensively cultivated*. 



2. R. g^lutinosa, S. et S. 5 -3 to .5 glandular- viscous. 

 Prickles unequal, some needle-like, often temporary, others stout, 

 curved or straight, numerous. Leaflets 5-7, elliptical to round and ovate, 

 .008 to .015 long, bi-serrate, with numerous sessile glands on lower sur- 

 face. Flowers .015 broad, solitary, peduncled,^m^; hip globular to ovate 

 .02 long, crowned with persistent calyx-lobes, at length quite succulent, 

 crimson^ glandular-prickly — Summer — Alpine regions of Lebanon, 

 Antilebanon, Amanus, and northward. 



3. R. Thureti, Burnat et Gremli. 5 .3 to .5, the prickles of 

 the older branches stout, straight, those of the newer more slender. 

 Leaflets small, 5-7, nearly round or round-obovate, glandular, 2-serrate, 

 glabrescent or puberulent, densely glandular on both sides. Flowers 

 small, solitary, pale pink, peduncle and hip glandular-prickly ; ripe 

 hip as large as a cherry — Summer — Subalpine and alpine Lebanon 

 and Hermon. 



4. R. canina, L. 5 I^og Rose. 1 to 2. Branches curved ; 



prickles all aliJce, stout, claw-like. Leaflets 5-7, ovate to elli[>tical, acutely 

 1-2-serrate. Flowers 1-4, pink, .03 to .05 broad, corymbose ; calyx-tube 

 glabrous with deflexed deciduous lobes ; hip maturing late, edible, 

 ovate-iirn-shaped, .01 to .02 long, turning blackish-crimson, with con- 

 ipicuous dish — Summer — A variable species; common in mountains 

 throughout. 



Var. vulgaris, Koch. Petioles, leaflets, and peduncles glabrous. 



Var. coUina, Boiss. Petioles and leaflets more or less pubescent, 

 peduncles and hip unarmed or prickly. Petals often white — The com- 

 monest Syrian variety. 



Var. Hausskneclitiana, Boiss. As in last, but leaflets small ; 

 stalks of ovaries unequal. Aintab and Marash, and northward. 



5. R. dumctorum, Thuill. 5 Prickles all alike, stout, hooked. 

 Leaflets 5-7, ovate, 1- or rarely 2-dentate, pubescent on both sides or 



