ALOE 



ALOE 



259 



AAA. Li^s. rather numerous, spirally arranged on a length- 

 ened St., acute or pungent. (27-39.) 

 B. The Ivs. rather separated, not armed on the back. 

 C. St. weak: Ivs. thin, finely prickly on the margin, dis- 

 tinctly separated, inlh perfoliate striate sheaths: 

 infl. short, racemose. 



27. ciliaris, Haw. St. elongated, scrambling, more 

 or less vert icillatcly branched: Ivs. elongated lanceolate, 

 striate, coarsely white-denticulate, spreading, about 

 1 X 3-6 in.: infl". 6-8 in. high; fls. IJs in. long, bright 

 red, the greenish segnis. much shorter than the cylindri- 

 cal tube; stajnens little protruding. Cape. Salm, Aloe 

 §2.5, f. 1. Berger 9, 97. Henslow, S. Afr. PI. p. 269. 

 — Varies into a smaller-lvd. form with nearly entire 

 If. -bases and smaller fls., var Tidmarshii, Sehoenl., 

 and a form with broader Ivs., var Flanaganii, Sehoenl. 

 Hybrids: A.xde Lsetii, Radl. (A. ciliaris x succotrina) . 



28. striatula, Haw. (A. Macbwanii, Baker. A. 

 aurantiaca, Baker). Resembling A. ciliaris: Ivs. longer, 

 narrowly triangular, minutely denticulate: fls. from 

 reddish becoming yellow or orange, with longer segms. 

 and long-protruding stamens. Cape. Monatsschr. f. 

 Kakteenk. 16, p. 4. Berger 99, 100. 



cc. <S(. stouter: Ivs. rather fleshy and close: infl. 

 taller, panicled. 



29. HUdebrandtii, Baker. St. slender, elongated: 

 lv8. lanceolate-attenuate, 2 x 6-9 in., somewhat thick, 

 glaucous, sometimes white-blotched as are the short 

 sheaths, with rather small yellow marginal teeth: infl. 

 llz ft. high, nearly sessile; fls. 1 in. long, red with 

 more or less yellow- or green-marked segms. about 

 equaling the somewhat constricted tube. Trop. Afr. 

 B.M. 6981. Berger 104. 



30. inennis, Forsk. (A. Luntii, Baker). St. short: 

 Ivs. recurved-spreading, gradually narrowed, 2 x 12 in., 

 fleshy, very pale green or reddish, blade and sheath 

 mottled with white at least when young, entire: infl. 

 2-3 ft. high, open; fl.''. 1 in. long, rosy, with green- 

 lined yellowish segms. shorter than the somewhat con- 

 stricted tube. Arabia. B.M. 7448. Berger 105. 



BB. The Ivs. more fleshy, with short, nearly concealed 



sheaths: infl. often panicled. 



c. Racemes eloi^gated: Ivs. not armed on back. 



31. Kirkii, Baker. St. short: Ivs. crowded, lanceo- 

 late-acuminate, 2 X 9-12 in., somewhat thick, glossy, 

 green or reddish, with rather coarse confluent reddish 

 marginal teeth: infl. 2 ft. high; fls. I's in. long, Ught 

 red with yellowish base and greenish segms. shorter than 

 the cyUndrical tube. Zanzibar. B.M. 7386. 



cc. Racemes short: Ivs. more or less armed on back as 



well as margin. 



D. Erect: Ivs. elongated. 



32. sordria, Berger. Lvs. elongated, triangular, 

 2)2 X 18 in., dull green, brown-striate, with variable 

 whitish marginal teeth alternately larger and smaller: 

 infl. about 2 ft. high; fls. IJg in. long, light red, with 

 segms. longer than the tube. Cape. 



DD. Prostrate: lvs. short and broad: infl. often forked. 



33. mitriformis, Mill. (-4. xanthacdntha, Salm-Dyck). 

 Fig. 172. Lvs. upcurved, ovate, acute, 2-3 x 4-6 in., glau- 

 cous, somewhat prickly toward the tip beneath, with 

 large and strong yellow or brown marginal teeth: 

 infl. 1 ft. or more high; fls. 2 in. long, bright red with 

 recurving, paler, nearly distinct segms. Cape. DC, PI. 

 Or. 99. B.M. 1270. Salm, Aloe §24. f. 3. Berger 108.— 

 Very polymorphic, the broad-lvd. typical form, with 

 dorsal teeth on the keel only, varj'ing into a form with 

 smaller marginal teeth, tho.sc on the back continuing to 

 the apex, var pachyphylla, Baker; another, in which 

 they stop short of the apex, var. xanthacantha, Baker 

 (A. xanthacdntha, VVilld.), Salm, Aloe §24, f. 4; and a 



third with acuminate lvs., var. Commelinii, Baker 



(A. Commelinii, WiWd.A. milrifdrmis humilior, Haw.), 

 Salm. Aloe §24, f. .5: narrower-lvd. forms with short 

 and broad yeUow teeth, var. flavispina, Baker (A. 

 flfivi spina. Haw.), Salm, Aloe §24, f. 2; or long subu- 

 late white teeth, var. albispina, Berger (A. albispina, 

 Haw.): and a variant of the type with scattered teeth 

 over the back of the broad lvs., var. spinulosa, Baker 

 (A. spinulosa, Salm), Salm, Aloe §24, f. 6. Berger 

 109. 



34. nobilis, Haw. {A. milrifdrmis spindsior. Haw.). 

 Lvs. lance-deltoid, 2 x 4-6 in., green, somewhat prickly 

 toward the tip beneath, with large, strong, confluent, 

 white marginal teeth: infl. 2 ft. high; fls. 1)^2 in- long, 

 red, with recurving distinct segms. Cape. Salm, Aloe 

 §24, f. 7. Berger 109. 



172. Aloe mitriformis. (No. 33) 



35. distans, Haw. {A. milrsef&rmis angustior. Lam. 



A. perfolidta hreinfolia, Ait. A. brevifdlia, Haw. A. 

 mitriformis brevifdlia, Sims. A. mitrifdrmis humilior, 

 Willd.). Branched and prostrately spreading: lvs. 

 ascending, broadly ovate, acute, 2 x 3-33^2 in., glaucous, 

 somewhat mottled below and prickly toward the tiji 

 beneath, with strong, dark-tipped yellow marginal 

 teeth: infl. IJ-^ ft. high; fls. IJ4 in. long, red, with re- 

 curving greenish segms. about as long as the cylindrical 

 tube. Cape. Sakn, Aloe §24, f. 1. B.M. 1362. Berger 

 107. 



AAAA. Lvs. numerous, elongated, succulent, acute or pun- 

 gent, spirally crowded at end of the prominent, 

 sometimes tall trunk. (36-49.) 



B. Stamens scarcely protruded: fls. narrow: lvs. smooth. 



c. Trunk scarcely Jf ft. high: infl. usually racemose. 



36. succotrina, Lam. (A. soccolrina, DC. A. perfoli- 

 dta soccolnna, Ait. A. socotrina, Steph. & C'hurch. A, 

 vlra, Mill.). Scarcely cespitose, the dichotomously 

 branched st. at length 3-4 ft. high: lvs. falcately up- 

 curved, gradually narrowed, \)a.\e or glaucous, some- 

 times white-blotched toward the biuse, 1 }^-2 x 15-20 

 in., the margin serrate with .small connate white prick- 

 les: infl 2 ft. high; fls. 1J4 in. long, light red, the 



