524 



ROSACEiE, I. Dryas. 



(f. Q9. «.), valvate in cestivation, the outer lobes accessory (f. 70. obovate. Stamens 5. Styles lateral, 10, rarely 5. Carpels 5- 



6.), and alternating with the inner lobes. Petals 4-5, rarely more 10 or more, seated on a villous receptacle. Plants beset with 



(f. 69. 6. f. 70. c). Carpels numerous (f. 70. c?.), /ree, in- glandular hairs. 



serted in a dry or fleshy polyphore, dry (f. 70. d.) or baccate (f. 18 Agrimonia. Calyx turbinate, 5-cleft (f. 73. a. rf,), invo- 



71. rf.), I -seeded. Herbs or shrubs, usually with compound leaves^ lucrated by bristles (f. 73.)- Petals 5. Stamens 15. Carpels 



with 2 stipulas adnate to the sides of the petiole . 



2, with terminal styles. Seed pendulous. 



1 Dry'as. Calyx 8-9-parted (f. 69. a.). Petals 8-9 (f. 69. 19 Aremc^nia. Calyx 5-cleft, surrounded by a 10-12-cleft 

 b.). Stamens numerous (f- 69. c.). Carpels dry, numerous, inyolucrum. Petals 5. Stamens 5-10, Carpels 2, with ter- 

 ending each in the feathery style (f. 69. e.). Seed ascending. minal styles. Seed pendulous. 



2 Ge'um. Calyx 10-cleft, the 5 outer segments accessory. 20 Braye^ra. Calyx double, both 5-cleft; lobes of the 

 Petals 5. Stamens numerous. Carpels numerous, dry, ending outer large and oblong, of the inner spatulate and shorter, 

 each in a kneed style. Petals 5, small, linear. Stamens 15-20. Carpels 2, ending in 



3 Sieve'rsia. All as in Geum, but differs in the carpels end- exserted styles. Seed pendulous, 

 ing in a feathery (f. 70. d.) jointless style or awn. 



4 Colu'ria. Calyx 10-parted, the 5 outer lobes accessory. 

 Petals 5. Stamens numerous. Carpels numerous, scrobiculate, 

 tailless. 



5 Cowa^nia. Calyx 5-cleft. Petals 5. Stamens numerous. 

 Carpels awned by the feathery styles. 



Tribe IT. 



NEURA^DEiE. Calyx 5 'deft (f. 76. 6.), with a short tube ad- 

 hering to the ovary, valvate in cestivation. Petals 5. Carpels 10. 

 connected into a lO-celled capsule (f. 76. c), which is depressed 



Wa 



n^t /., j_ J' j_ '^ JIT at the apex. Seed bony, obliquely pendulous. — A decumbent suf 



lube ot calyx turbmate, crowned bya.-*^ ^^^ i j i 



crenulated ring under the stamens, bearing bracteas on the out- ^ 



21 Neura'da. Petals 5, inserted in the base of the calycine 

 lobes (f. 76. a.). Stamens 10. Styles 10. 



Tribe III. 



side. Petals 5. Stamens numerous. Carpels 2-4, globose, 

 naked at the apex, coriaceous. Seed erect. 



7 CoMAROPsis. Calyx 5-cleft. Petals 5. Stamens nume- 

 rous. Carpels few, dry, ending in filiform styles. Seeds erect. 



8 Ru'bus. Calyx 5-cleft. Petals 5. Stamens numerous. RosEiE. Tube of calyx contracted at the mouth {LI Q. a* e.)y 

 Carpels fleshy, inserted on an elevated torus. Seed inverted. with a 5 -par ted limb {L 76. d. f. 75.6.); lobes somewhat spirally 



9 Daliba'rba. Calyx 5-6-cleft ; lobes toothed. Petals 5. imbricated in cestivation, usually pinnatifid (f. 75. b. f. 76. a.). 

 Stamens numerous, deciduous. Carpels 5-10, ending in short Petals 5 {£. 75.e. f. 76. e.). Stamens numerous. Carpels numer' 



lies, subdrupac 

 10 Fraga^ria. 

 cessory (f. 71. 



Seed pendulous. 



cus, inserted inside the tube of the calyx, which at length becomes 

 baccate and incloses them (f. 75. /. f. 76. a.). Seeds inverted. 



Petals 5 (f. 71. b.). Stamens numerous. — Shrubs, with impari-pinnate leaves, serrated leaflets, andnnth 



Carpels dry, seated on an elevated fleshy torus (f. 71. £?.)• the stipulas adnate to the petiole. 



Styles lateral. 



(f. 



22 R6sA. Character the same as that of the tribe. 



11 Duche'snea. Calyx 10-parted, the Quter segments acces- 

 sory, foliaceous, and tridentate. Petals 5. Stamens numerous. 

 Carpels numerous, seated on a fleshy, succulent, elevated torus. 



12 Potenti'lla. Calyx 10-cleft (f. 72. a.), the outer seg- 



ments accessory 



(f- 



Stamens nu- 



. Tribe I. 



DEM (plants agreeing in important characters with 



-Fragari^cese, Rich, m Nestl. 



merous. 



Dryas). Vent. tabl. 3. p. 349. ^ 



p. 14. Calyx 10-cleft, rarely 8-cleft or many parted 

 vate in aestivation, the outer segments accessory, 



pot 



and alter 



nating with the inner ones. 



Carpels numerous, dry (f. 72. c), seated on an 

 elevated torus. Styles lateral. 



13 Tormenti'lla. Calyx 8-parted, the 4 outer segments 

 accessory. Petals 4. Stamens 16. Akenia dry, naked, nu- 

 merous, wrinkled, seated on a depressed receptacle. Styles 

 lateral. 



14 Co'marum. Calyx 10-parted, the 5 outer segments acces- 

 sory. Petals 5, small. Stamens numerous. Akenia numerous, 

 seated on an elevated spongy receptacle. 



15 Horke^ua. Calyx 10-cleft, the outer segments acces- 

 sory. Petals 5. Stamens 10. Akenia inserted on a conical 



receptacle, inclosed in the calyx. 



16 Sibba'ldia. All as in Potenttlla, but the petals are very 



minute, and the carpels and stamens are usually 5. Seed in- *" t*^" Nestl. pot. 16. D.C. prod. 2. p. 549 



, ^ , , , LiiN. SYST. Icosandria, Polyayma* l^aiyx o- 



verted. Polyphore dry. • ^>^^ ^i,l^ ^ somewhat concave tube (f. 79. a.). 



17 Cham^rhodos. Calyx campanulate, 5.cleft. Petals 5, 69. 6.). Stamens numerous. Carpels numerous, each termm 



Petals 4-5, rarely more, alter- 

 natmg with the inner segments of the calyx. Stamens numerous, 

 rarely few, inserted in the apex of the calycine tube. Carpels or 

 akenia numerous, rarely few, crowded, inserted in the torus, 

 distinct from each other, and free from the calyx, beanng the 

 styles at the side near the apex. Styles with a furrow on the 

 inside, and expanded into an oblique stigma at the apex. Akenia 

 1-ovulate, free from each other, dry or baccate. Seeds solitary, 

 erect or inverted, exalbuminous. Embryo erect, with flattish co- 

 tyledons.— Herbs or subshrubs, with usually compound bistipu- 

 late leaves, the stipulas adnate to the sides of the petioles. 



L DRY^AS (so named by Linnaeus from the dryades 

 nymphs of the oaks, in consequence of the leaves bearing som 

 resemblance to those of the oak). Lin. gen. no. 6^7 • I^^""* " ' 



or 



Petals 



"^ 



