VALERIAN ACE JE. (VALERIAN FAMILY.) 395 



♦ Root-stock 2))'mmorse, simple, hearing fibres. 



1. V. §isynibriifolia, Desf. If .3 to .5. All the leaves pinnat- 

 isect, with 2-3 pairs of odate-orhicular, sub-petioled, entire leaflets. 

 Bracts linear, somewhat shorter than hirsute fruit ; corolla flesh-colored, 

 tube once and a half as long as limb — Spring — Mountains of Gilead 

 and Moab. 



* =^ Root bearin/j oblong, clustered corms. 



2. V. Dioscorides, Sibth. If .3 to .6. Root-leaves lyrate, or 

 oblong -eUiyitical, entire, small ; stem-leaves pinnatisect, with 4-7 pairs of 

 oblong to linear, repand or dentate leaflets. Bracts oblong-triaugular, 

 one-half to one-third as long as fruit, which is hirsute only between nerves; 

 corolla pink, tube about as long as liml> — Spring — Rocky woods ; 

 Syrian coast and Lebanon, to Cassius, Aintab, and northward. 



2. CEXTRAI^TMUS, D.C. Centranthus. 



Calyx-limb involute during flowering, expanded in fruit into a 

 feathery pappus. Corolla tubular-funnel-shaped, more or less long- 

 spurred at base, o-lobed. Seamen 1. Fruit 1-celled — Perennial, 

 glabrous, glaucescent herbs, with pink flowers in thyrsoid panicles. 



1. C ruber, L. 2|! .5 to 1. Leaves ovate or ovate-lanceolate, 

 nearly entire. Spur of corolla about half as long as tube, and twice as 

 long as ovary — Summer and early Autumn — Lebanon; Marash. 

 Probably escaped from cultivation. 



2. V. loii^Jtfloru§, Stev. If .6 to 1.5. Le&ves Umceolate-linear, 

 entire. Spur of cori)lla about as long as tube, and thrice as long as 

 ovary — Late summer and autumn — Subalpine regions of Lebanon 

 and Antilebanon, to Amanus, and northward. 



Var. latifolius, Boiss. Leaves broader, sometimes ovate-lanceo- 

 late — Same range as type. 



3. VAL.EiaSA:^EI.LA, Hall. Lamb's Lettuce. 



Calyx-limb persistent, dentate or crown-like, regular or irregular, 

 sometimes 0. Corolla funnel-shaped, spurless, 5-lobed, regular. 

 Stamens 3. Fruit with two sterile and one fertile cell — Annual, dichoto- 

 mous herbs, with small flowers crowded in head-like cymes, or solitary 

 in the up[)er forks. 



* Fruits all of one hind, oblong-cylindrical, or ovate-oblong. 



t Sterile cells filiform. 



X Calyx-limb unequally parted into 10-14, hooked, subulate lobes. 



1. y. tiiberctilafu, Boiss. .02 to .1, glabrous. Leaves 

 entire, linear-oblong, oljtuse. Fruiting brauehes thickened, somewhat 

 constricted at forks, brittle. Fruits^ somewhat fungous, tubercled- 

 prickly at back, grooved in front, with two parallel gibbi at base ; 

 fruits of lower forks often twice as large as the rest, dilated at base, 

 scarcely grooved, tapering above; calyx-limb hypocraterif orm — 

 Spring — Subali)ine and alpine Antilebano^l. 



t X Calyx-limb equally parted into 6, hooked, subulate lobes. 



