

fi^i<j eoNTRiBrrioNs tovvestern botany no. u 



+ ■ 



fftcKtly 1 mm. l(ktg, mttin stipe fully tor .'hy ice- as long as first joint. Joint* 

 either round or rather broader than long, not 4 nmt I<>ng, 3-5, the terminal 

 one long-apiculate, all greenish- Stipe of the type ^cies never is over 

 half as long as the first joint Na 23055.. fetba, Nayarit, Februar}' 

 18. 1927. Flower deen-blue. 



Ma^pi^hia Sonorae N. Sp. Allied to M: ovata- Ro^e. An intricately 

 .J,'ranched shrub a few feet^ high; and nearly glabrous, with the habit of 

 5ymnhoricarpus oreophiliis. Leaves opposite, oval-ovate to ovate, about 2 

 ixxi long by I era, wide, thin, entire rounded at base and the upper ones 

 e;bo-^ly acuminate or acute at tip, or the lower ones oval and very obtuse, 

 wven^rf befow very sparsely with long and very slender w^ite hairs fixed 

 ^v the middle (as in M, urens), on short and stout petioles about 2 mm. 

 'Onr :snd which are silver)' silky,. as are the nodes. Stipules hardly longer 

 thftn :Itp hairs: Flowers not seen. Fruit depressed-globose, red, ,abaut 

 7 -ribbed bv the protruding and sharp ridges on the seeds, red, about 

 )o^^. on <:Tender pediael' sometimes joined below the middle end a little 

 ^'T- T cm. long. Fruits few to single on a short pediincle rarely half as 

 lone:, on slender pedicel sometimes joined below the middle end a little 

 ovata Rose, but the leaves are decidedly different. Guaymas, Sonora, 

 November 2; l-92'6.. No. 2259S: 



caionia 



geniculata. Tree-like shrub, 10 or more feet high, tufted 

 sterns erect, with smooth grayish-green bark and no thorns. Flowers dull 

 white, about an inch wide and opening widely. Sepals 3-4. Petals 3-4, 

 oho\^a^e, palmately ribbed from tip to 'base and most below, rounded, H 

 inch lone:, inserted at the base of a dark stipe which is widest below and 

 hilf as RigH as wfde; Stamens tlie same insertion. 6-8. twice as lone: as 



stout 



petals 



niaments. Ovary whxte-stngose, 3-4 celled, oval, tipped by a 

 .^ti>ma of 3-4 incurved and oblong lobes whose edges are contiguous and 

 form a sphere. Style equals the ovary. Sap not milky. This is my 

 No. 2474. Got at La Paz, ^ 



There fs an Agave growing on the rocks at La Paz with bluish, thick 

 and very rigid leaves (after the fashion of A. Utahensis) with very 

 coarse and fleshy teeth I>^.2 inches apart, and ending abruptly in a 

 black and hooked prickle >4-^ inch long. The stalks are slender and 

 cane-like and 10 feet high and few-flowered, in 2-4 bunches. Was just 

 coming into bloom. 



Agave. This is the big blue Agave with narrow leaves, so inuch 

 cultivated at the Cape and Todos Santos. The stems are 4-6 inches thick, 

 and about 30 feet high, with many clusters of glaucous-bltie flowers which 

 become yellowish-green when expanded, but the whole pi ant ^ is conspicu- 

 ously blue. Leaves 3-^ feet long, with low prickles 1-2 mm. lone and an 



The leaves narrow and tape^...^. 

 Agave aurea Brandegee. This wild plant abounds 



Todos Santos on 



The stemi3 are stout, about 



