CISTINEyE. 



35 



15. fastigiatus. L. narrow linear, 3- 

 nerved, smooth above, reticulate and hoary 

 beneath, nearly sessile. Margin revolute. 

 Umbels terminal, on long stalks. Sepals with 

 adpressed bristles, acute. sS. 5, 6. Coasts 

 of Sic. Like Rosemary in general appearance. 



16. ladaniferus. L. lanceolate, sessile, 

 hairless above, tomentose beneath. Caps. 

 lO-ceUed. Base of L. enlarging as they 

 approach M. and passing into numerous decus- 

 sate bracts. S. 6, 7- Dry fields. Between 

 Cefalu and Messina. Prov. 



98. HELIANTHEMUM. 



A. Style straight, very short. 



i. Plant shi'ubby. Sepals 3 (except in M. 



haHmifolium) . Sp. 1-4. 

 ii. Plant herbaceous. Sepals 5. Sp. 5-10. 



B. Style straight, as long as, or longer than 



stamens. 



i. Shrubby. Sp. 11. 

 ii. Annual. Sp. 12-14. 



C. Style twisted at base in the Fl. L. more 

 or less alternate. Stem woody. 



i. L. aU alternate. No stipules. Sp. 15-17. 



ii. L. all alternate, stipulate. Sp. 18-20. 



iii. L. stipulate ; lower opposite ; upper 

 alternate. Sp. 21-23. 



D. Style twisted at base. All L. opposite. 

 No stipules. Sp. 24-26. 



E. Style twisted at base. Stem woody. L. 

 opposite, stipulate. 



i. Eruit-stalk serpentine. Fruit pointing 



upwards. Sp. 27- 

 'ii. Fruit bent downwards. 



a. Nerves of Cal. only 2. Sp. 28. 



b. Nerves of Cal. 4. Sp. 29-44. 



This last grovip seems hardly divisible. I at- 

 tempted an analysis, but gave it up on finding 

 how much it depended on the pubescence and 

 on thecolom- of the flower — both very variable 

 characters. 



A. Style straight, much shorter than 

 Stamens. 



i. Shrubby. Sepals 3 {except in H. halimi- 

 folium). 



1. umbellatum. Young branches downy, 

 viscid. L. sessile, lineari-oblong, revolute, 

 viscid, tomentose beneath. Stalks 1 -flowered, 



racemoso-verticiUate, the terminal umbcUate. 

 Cal. villous. sS. 5, 6. Fontainebleau. Le 



Mans. Orleans. Bordeaux? 



2. alyssoides. Stigma large, nearly ses- 

 sile. Branches hoary at top, tomentoso-hir- 

 sute. L. sessile, oblon go -ovate, attenuate, 

 somewhat obtuse, hirsute, slightly hoary 

 when young, aftei-wards green. Stalks 1-2- 

 flowered, terminal, axillary or umbellate, longer 

 than L. Sepals acuminate, hirsute. sS. 5, 6. 

 Landes. s. w. Fr. 



y3. rugosum. L. denticulate and somewhat 

 cm'led. 



3. scabrosuiu. Branches piloso-tomen- 

 tose, rough, hoary. L. sessile, attenuate, 

 oblongo-ovate, sub-acute, somewhat rough 

 above, tomentoso-cinereous beneath. Stallcs 

 terminal, 1-2-flowered, shorter than L. Cal. 

 hirsute. sS. Italy. — Peesoon. 



4. halimifolium. Plant glaucous, scaly. 

 L. attenuate, somewhat stalked, oblong. M. 

 somewhat panicled. Cal. with two exterior very 

 nan'ow sepals. S. 5, 6. Sandy sea-shore. 

 Sylva Sacra. Gaeta. Fondi, &c. Trapani. Cors. 



ii. Herbaceous. Sepals 5. 



5. Tuber aria. PerenLnial. Stem ascend- 

 ing, nearly simple. Eoot L. oblong, 3-nerved, 

 hoaiy, nei-vous beneath, furrowed above, taper- 

 ing into stallc. Stem L. sessile, lanceolate, 

 uppermost alternate. Stipules 0. p. 4, 5. 

 Sandy hills of coast. IVejus. Cors. Otranto. 

 Messina. 



6. Breweri. Stem branched from base, 

 somewhat difPuse. L. obovate. Mower-stalks 

 bracteate, erecto-patent when in fruit, a. 6-8. 

 Anglesea. rare. 



7. guttatum. Stem hirsute. L. oblong, 

 opposite, sessUe, 3-nerved, villous ; uppermost 

 alternate. Stipules sometimes united to the 

 L. Eae. lax, without bracts. Fl.-stalks fili- 

 form. Outer Sepals half as long as interior, 

 elliptic or ovate, a. 4-6. Sandy. Fr. It. 



/3. plantagineum. Larger Petals serrate, 

 spotless. 



8. eriocaulon. " Stem di- trichotomous, 

 very hirsute. L. oblongo-linear, hirsute, oppo- 

 site ; uppermost alternate, stipulate. Kac. 

 simple, without bracts. Fl.-stalk long, filiform, 

 hairy. Outer Sepals narrow, a. Fr. ?" — 

 DuNAL in DC. 



9. punctatum. "Stem dichotomous, downy, 

 somewhat grey. L. oblong, 3-5 -nerved, gi-een, 

 rough with small starry hairs ; lower opposite, 



