258 



ALOE 



ALOE 



DC.)- Cespitosely clustered: Ivs. ascending or spread- 

 ing, lance-oblong, acuminate, 2 x 6-8 in., often reddish, 

 glaucous, faintly striate, with pale blotches more or 

 less in transverse bands, the large, marginal, confluent 

 teeth brown: infl. 1^-2^ ft. high, commonly branched; 

 fls. 1 Ji-lM m - l n gi re d, the paler more or less green 

 eegms. much shorter than the tube. Cape. Wood & 

 Evans, Natal PL 100. EM. 1460. DC., PL Gr. 98, 

 Salm, Aloe 23, f. 1. Berger 71, 72. Lyon Hort. 22, 

 p. 305. Lam., Encycl. 236. Varies in a dwarf form 

 with Ivs. scarcely 4 in. long, var. brachyphylla, Baker, 

 and a larger greener-lvd. form, var. latifolia, Haw. 

 (A. latifolia, Haw. A. saponaria major, Linn. A. 

 umbeUata major, DC.) Salm, Aloe 23, f. 3. EM. 

 1346. 



DD. Racemes more elongated. 



14. macracantha, Baker. Simple, becoming caules- 

 cent: Ivs. recurving, lance-oblong, 3-5x12-18 in., 

 etriate and irregularly somewhat white-blotched, with 

 large, yellow-brown, distinct marginal teeth: infl. 1-2 

 ft. high; fls. 1 % in. long, greenish yellow or orange, the 

 eegms. half as long as the tube. Cape. EM. 6580. 



15. zebrina, Baker (A. platyphylla, Baker. A. 

 Lugardiana, Baker. A. Baumii, Engl. & Gilg. A. 

 bamangwatensis, Schoenl.). Somewhat clustered: Ivs. 

 erect-spreading with recurved acute tips, 2}^ x 6-12 

 in., lance-oblong, often reddish, dull, at first pruinose, 

 striate and with elongated pale blotches more or less 

 in transverse bands, the sinuate margin with confluent 

 large red- or brown-tipped teeth: infl. 3-4 ft. high; fls. 

 1J4 in. long, red, the nerved segms. shorter than the 

 tube. Trop. Afr. Baum, Kunene-Sambesi Exped., 90. 

 G.C. III. 35: 226. EM. 7948. Berger 75. 



16. macrocirpa, Tod. Cespitose: Ivs. spreading, 

 gradually pointed, 2 x 8-15 in., broadly triangular- 

 oblong, pale, striate, mottled in transverse bands, with 

 irregular, small, confluent, brown-tipped marginal 

 prickles: infl. 2 ft. high; fls. 1 in. long, light red, the 

 nerved segms. shorter than the tube. Trop. Afr. Tod., 

 Hort. Pan. 9. Berger 76. A larger Abyssinian form, 

 with fls. becoming 1 J^ in. long, is var. major, Berger. 



17. Grefenii, Baker. Lvs. spreading, concave, acute, 

 3 x 15-18 in., lance-oblong, glossy green, striate and 

 with elongated pale blotches confluent in irregular 

 cross-bands, the sinuate margin with confluent, moder- 

 ately large, frequently paired, brown upcurved teeth: 

 infl. 1^-4 ft. high; fls. 1-1 % in. long, dull red, the 

 eegms. much shorter than the tube. Natal. EM. 6520. 



18. obscftra, Mill. (A. perfoliata obscura, Ait. A. 

 saponaria obscura, Haw. A. picta, Thunb. A. picta 

 major, Willd. A. maculata, Desf.). Lvs. in a compact 

 rosette, 2^-3 x 8 in., triangular-lanceolate, green, 

 striate and with scattered small pale blotches, the 

 sinuate, narrowly cartilaginous margin with rather 

 short and close red-tipped teeth: infl. simple or forked. 

 2^-3 ft. high; fls. 1J4 m - l n g> re d, the nerved 

 segms. about equaling the tube. Cape region. DC., 

 PI. Gr. 97. EM. 1323. Salm, Aloe 23, f. 2. Dillenius, 

 Eltham. 15. Allgem. Deutsch. Gart. Mag. 6:17. 

 Hybrid: A. x pseudopicta, Berger. 



19. commutata, Tod. Lvs. as in A.saponanabutwith 

 somewhat recurved apex and weaker green-based 

 prickles, 1^-2x6 in.: infl. few-branched, 3 ft. high; 

 fls. campanulately widened, 1J^ in. long, light red, the 

 nerved segms. shorter than the tube. Cape region (?). 

 Tod., Hort. Pan. 18. Berger 77. Varies in a form with 

 the reddish Ivs. scarcely Kin. wide and more conspicu- 

 ously white-banded, var. tricolor, Berger (A. tricolor, 

 Baker). B.M. 6324. 



20. grandidentata, Salm.-Dyck. Lvs. recuryed- 

 spreading, 2K~3 x 12-18 in., lance-oblong, pale, striate 

 and with elongated pale blotches confluent beneath into 

 transverse bands, the sinuate margin with rather dis- 

 tant, large, smoky teeth: infl. 2-3 ft. high; fls. 1% in. 



long, rosy, the segms. about equaling the campanulately 

 widened tube. Cape region. Salm, Aloe 23, f. 4. 

 Berger 77. 



BBB. Plants rather large: Ivs. 15-30 in. long, smooth: 

 st. rarely tall (6 ft. in one form of A. Eru): infl. 

 usually simply panided or subcorymbose; fls. 

 not saccate. 



21. vSra, Linn. (A. perfoliata vbra, Linn. A. elongdta, 

 Murr. A. barbadensis, Mill. A. vulgaris, Lam. A. 

 fldva, Pers.). Cespitose, the sts. at length 1-1 Vi ft. 

 high: Ivs. suberect or spreading, gradually narrowed 

 from the base, pale, 2-3 x 12-20 in., irregularly white- 

 blotched and narrow when young and 2-ranked on 

 offsets, the repand margin with weak pale prickles: 

 infl. 2-3 ft. high, often simple; fls. 1 in. long, yellow, the 

 segms. about equaling the oblong tube. Medit. region 

 and intro. generally through the tropics. Fiori & 

 Paoletti, Fl. Ital. 1, p. 206. Sibthorpe, Fl. Grseca, 341. 

 Salm, Aloe 18, f. 2. Stephenson & Churchill, Med. 

 Bot., 109. Bentley & Trimen, Med. PI. 282. Berger 84. 

 The source of "Barbados aloes." Varies in a large 

 Arabian form with broader Ivs., taller infl., and fls. 

 shading into orange, var. omcinalis, Baker (A. 

 officinalis, Forsk., A. rubescens, DC.), DC., PI. Gr. 

 15; a smaller Asiatic form with red-tinged fls., Var. 

 chinensis (A. indica, Royle. A. chinensis, Baker), 

 B.M. 6301; and a hardier garden form of this, var. 

 Lanza, Berger (A. Ldnzx, Tod.), Tod., Hort. Pan. 39. 

 Berger 84. 



22. agavefdlia, Tod. Little caulescent or cespitose: 

 Ivs. recurved-spreading, concave, gradually narrowed, 

 rather thin, 3-6 x 18-20 in., with scattered, small, 

 oblong, pale blotches, the margin with large triangular 

 hooked prickles: infl. 3 ft. high, panicled; fls. 1-1 J^ in. 

 long, dull red, the green, pale-margined segms. about 

 equaling the constricted tube. Trop. Afr. Tod., Hort. 

 Pan. 23. 



23. abyssinica, Lam. (A. vulgaris abyssinica, DC. 

 A. abyssinica Peacdckii, Baker. A. Peacdckii, Berger & 

 Schum. A. Cam-peri, Schweinf.). Scarcely clustered, 

 acaulescent: Ivs. at first ascending, gradually narrowed, 

 rather sharp-pointed, 4-6 x 12-30 in., pale, not mottled, 

 with rather small, confluent, deltoid, reddish marginal 

 prickles: infl. 3 ft. high, dichotomously few-branched; 

 fls. 1 J4~l Vi in. long, yellow or orange, the segms. rather 

 shorter than the slightly narrowed tube. Trop. Afr. 

 Salm, Aloe 18, f. 1. DC., PI. Gr. 27. B.M. 6620. 

 Berger 87, 88. 



24. elegans, Tod., differs mainly in having more 

 elongated racemes. 



25. ru, Berger (A. abyssinica, Baker). St. branched, 

 scarcely 2 ft. high: Ivs. recurving, very fleshy, 1^-3* 

 16-34 in., pale, somewhat glossy, with elongated white 

 blotches, the repand margin with large reddish-tipped 

 teeth: infl. 3-6 ft. high, dichotomously branched; fls. 

 campanulate, scarcely %in. long, yellow or orange, 

 the segms. longer than the slightly constricted tube. 

 Trop. Afr. Several minor forms occur maculata, 

 erecta, glauca, parvi-punctata, and two large forms 

 have been described, var. cornftta, Berger (A. spicdta, 

 Baker, A. albopicta, Hort.), Benth. & Trimen, Med. 

 PI. 284, and var. Ho6keri, Berger (A. abyssinica, 

 Hook.), B.M. 7712, respectively short-std. and with a 

 trunk 6 ft. high. 



26. Perryi, Baker. Trunk about 1 ft. high, simple: 

 Ivs. spreading, gradually narrowed or acuminate, 2-2 Yi 

 x 15 in., pale green or reddish, somewhat striate but 

 not mottled, the margin with rather small and close 

 brown-tipped prickles: infl. IK ft. high, somewhat 

 panicled; fls. 1 in. long, reddish becoming yellow, the 

 green-tipped segms. much shorter than the slightly con- 

 stricted tube. Socotra. B.M. 6596. This is now held 

 to be the source of "Socotra aloes," long attributed to 

 A. succolrina. 



