98 



CRASSULACE^E. I. TILL^A. 



border. Stamens 8, adnate to the base of the tube of the co- 

 rolla. Scales 4, linear. Carpels 4 ; styles filiform. 



13 BRYOPHY'LLUM. Calyx inflated before flowering, hardly 

 4-cleft to the middle. Corolla gamopetalous, hypogynous ; 

 lobes 4, acute. Stamens 8, adnate to the base of the tube 

 of the corolla. Glands 4. 



14 COTYLEDON. Calyx 4-parted. Corolla gamopetalous, 

 with a 5-lobed, spreadingly reflexed limb. Stamens 10, adnate 

 at the base to the tube of the corolla. Scales oval. Carpels 5, 

 each drawn out into a subulate style. 



15 PISTOIU'NIA. Calyx 5 -parted. Corolla gamopetalous, with 

 a S-parted spreading border. Stamens 10, adnate their whole 

 length to the tube of the corolla. Scales 5. Carpels 5, ending 

 each in a long filiform style. 



16 UMBI'LICUS. Calyx 5-parted. Corolla campanulate, 5- 

 cleft ; lobes acute. Stamens 10, inserted in the corolla. Scales 

 5. Carpels 5 ; styles subulate. 



17 ECHEVE'RIA. Calyx 5-parted (f. 27. a.); sepals erect. 

 Petals 5, united at the base (f. 27. 6.), thick, and erect. Sta- 

 mens 10 (f. 27. c.), united to the petals at the base. Scales 5. 

 Carpels 5, each ending in a subulate style. 



18 SE\DUM. Calyx 5-parted (f. 29. a.) ; sepals turgid, leaf- 

 formed. Petals 5 (f. 29. 6.), usually spreading. Stamens 10 

 (f. 29. c.). Scales 5. Carpels 5. 



19 SEMPERVIVUM. Calyx 6-20-parted (f. 30. a.). Petals 

 6-20 (f. 30. 6.)- Stamens twice the number of the petals (f. 

 30. c.). Scales toothed or jagged. Carpels equal in number to 

 the petals. 



TRIBE II. 



CRASSULA'CE^E ANOMALY. Carpels united at the base into a 

 many-celled capsule. 



20 DIAMORPHA. Calyx 4-lobed. Petals 4. Stamens 8. 

 Carpels 4, united at the base, opening longitudinally on the back 

 or outside. 



21 PENTHORUM. Calyx 5-parted. Petals 5. Stamens 10. 

 Scales wanting ? Carpels 5, united at the base into a 5-beaked, 

 5-celled capsule, which is pentagonal at the apex, and opening 

 under the beaks. Seeds small, numerous. 



Tribe I. 



CRASSU'LEjE or CRASSULA v CEj LEGI'TIM^E (this 

 tribe contains the legitimate plants of the order). Carpels 

 distinct ; when mature opening on the inside by a longitudinal 

 fissure. 



I. TILLJE'A (so named in honour of Michael Angelo Tilli, 

 M. D. F. R. S., born 1653. Professor of Botany at Pisa; 

 author of Horti Pisani Catalogus, 1723, fol. with 50 plates. It 

 contains a few rare plants, observed by him in his voyages to 

 Constantinople and Tunis). Mich. gen. 22. t. 20. D. C. bull, 

 philom. no. 49. p. 2. prod. 3. p. 381. Tillae'a species of Lin. 



LIN. SYST. Tri-Tetrdndria, Tri-Tetragynia. Calyx 3-4- 

 parted(f. 25. a.). Petals 6-4 (f. 25. &.), oblong, acuminated. 

 Scales none, or very small. Carpels 3-4, somewhat constricted 

 in the middle, 2-seeded. Small, glabrous, annual herbs, inha- 

 bitants of exposed sub-humid places. Leaves opposite. Flowers 



small, white, for the most part axillary. Many of the exotic 

 species may probably belong to Bulliarda. 



1 T,Musc6sA(Lin. spec. 186.) FIG. 25. 

 stems branched at the base, de- 

 cumbent ; leaves connate ; flowers 



axillary, sessile, trifid. O. H. 

 Native of Europe in many places, 

 in dry, barren, sandy, and gra- 

 velly soil ; plentiful in Britain, 

 on the most barren sandy heaths ; 

 frequent in Norfolk and Suffolk. 

 It is a troublesome weed in the 

 gravel walks of Holkham. Bocc. 

 mus. t. 22. Mich. gen. t. 20. 

 Lam. ill. t. 90. D. C. pi. grass. 

 t. 73. Smith, engl. bot. 116. 

 Reich, icon. t. 191. Bocc. sic, 

 t. 29. In exposed situations. 



this plant becomes reddish ; but in that state it is not the T. 

 rubra of Gouan. 



Mossy Tillaea. Fl. June, Oct. Britain. PI. trail. 



2 T. SIMPLEX (Nutt. gen. amer. append, et journ. acad. 

 philad. 1. p. 114.) stem erect, simple ; leaves connate, oblong- 

 linear, acute ; flowers alternate, sessile ; petals 4, erect, twice 

 the length of the calyx. H. Native of North America, 

 in humid gravelly places. 



Simple-stemmed Tillaea. PL ^ foot. 



3 T. MOSCHA'TA (D. C. prod. 3. p. 382.) stem prostrate at 

 the base ; branches ascending ; leaves connate, oval-oblong ; 

 flowers 4-cleft, sessile in the axils of the superior leaves. O- H. 

 Native of the Straits of Magellan, on the mountains ; and of 

 the Maclove Islands. Crassula moschata, Forst. in act. soc. 

 gcett. 9. p. 26. Bulliarda Magellanica, D. C. bull, philom. 

 no. 49. 



Musk Tillaea. PI. prostrate. 



4 T. MINIMA (Miers, chil. 2. p. 530.) stems diffuse, branched; 

 leaves minute, connate at the base, oval-oblong; flowers 4-cleft, 

 crowded into whorls in the axils of the leaves, on short pedicels ; 

 petals 4, acuminated, shorter than the calyx ; carpels 1 -2-seeded. 

 Native of Chili, about Conception and Coquimbo. T. erecta, 

 Hook et Arnott, in Beech, voy. bot. 1. p. 24. Allied to T. 

 moschata and verticil laris. 



Least Tillaea. PI. foot. 



5 T. VERTICILLA'RIS (D. C. 1. c.) stems prostrate at the base, 

 rooting ; branches ascending ; leaves opposite, oblong-linear ; 

 flowers 4-cleft, crowded in whorls in the axils, some of which 

 are sessile and others pedicellate. Q. H. Native of New 

 Holland. Tillse'a pedunculata, Sieb. pi. exsic. nov. holl. no. 

 173. but not of Smith. Petals acuminated, longer than the 

 calyx. Habit almost of Illecebrum verticilldtum. 



Verticillate-fiov/ered Tillaea. PI. pr. 



6 T. PEDUNCULA'RIS (Smith, in Rees' cycl. vol. 35. no. 4.) 

 stem erect, simple ; leaves rather connate, lanceolate, acute ; 

 pedicels axillary, solitary, twice or thrice longer than the leaves ; 

 carpels truncate at the apex. O- H. Native about Monte 

 Video and Buenos Ayres, in humid places. Bulliarda Bona- 

 riensis, D. C. bull, philom. 



Peduncled-ftovtered Tillaea. PI. -j foot. 



7 T. RUBE'SCENS (H. B. et Kunth, nov. gen. amer. 6. p. 43.) 

 stems branched, prostrate ; leaves oblong-lanceolate, ovate, mu- 

 cronate, rather fleshy, connate at the base ; flowers 4-cleft, on 

 long pedicels ; petals shorter than the calyx. O- H. Native 

 about Quito, near Alansi. Flowers white. Carpels 2-seeded. 

 T. connata, Ruiz et Pav. fl. per. 1. p. 70. t. 106. f. a., which was 

 found in Peru, about Chancay, on humid hills, appears to 

 differ from Kunth's plant in the stems being rather erect. 



